Is there a communication system between the bacteria forming the biofilm that allows them to know when to detach or when to adhere
Answers
Yes, there is a communication system between the bacteria forming the biofilm that allows them to know when to detach or when to adhere.
This communication system is called quorum sensing. Quorum sensing is a communication system between bacteria. They communicate with each other by sending signals, which can be chemical or physical. Bacteria can also sense the density of their population by using quorum sensing.
The bacteria produce small molecules called autoinducers that they release into the environment. The concentration of these autoinducers increases as the population density of the bacteria increases. When the concentration of autoinducers reaches a specific threshold, the bacteria will begin to alter their behavior, including detaching or adhering from the biofilm. This allows the bacteria to act as a collective and coordinate their activities.
Learn more about bacteria
https://brainly.com/question/31495409
#SPJ11
Related Questions
help me pls, which one is correct?
Answers
Answer:
yes you need to get the last two
Explanation:
did the thing
Angelica is a girl with blond hair and blue eyes. She is very popular in school but
gets into trouble for her attitude and inappropriate language. Many people blame
her inappropriate language on her "genetics" from her parents. Label all of
Angelica's traits as inherited or acquired. Are people right or wrong for blaming her
language on "genetics" or inherited traits? Explain.
Answers
Answer:
Yes they are wrong
Explanation:
I've met many people who are the sweetest things but their parents are a different story it all depends on who you are around and what you take in from other.
Compost is made by filling a pit with dry leaves and other vegetable wastes. This is covered up with soil and kept
damp. It is frequently mixed to speed up the process. Which of the following processes occurring in nature is the MOST similar to composting, and enhances the fertility of the soil?
Answers
The process of composting, where organic matter is broken down to create nutrient-rich soil, is most similar to the A. breakdown of dead material in the forest floor.
In forests, the forest floor accumulates dead leaves, branches, and other organic materials. These materials undergo a process called litter decomposition, where microorganisms such as bacteria and fungi break them down into simpler compounds. This decomposition releases nutrients back into the soil, enriching it and enhancing its fertility. This natural process is similar to composting because it involves the breakdown of organic matter and the creation of nutrient-rich soil.
Composting mimics this natural process by providing an optimized environment for the decomposition of organic matter. By filling a pit with dry leaves and vegetable wastes, covering it with soil, and maintaining proper moisture and aeration, composting accelerates the breakdown of organic materials. The frequent mixing or turning of the compost pile helps speed up the process by providing oxygen and distributing the decomposers more evenly.
Both composting and the breakdown of dead material in the forest floor involve the activity of microorganisms that break down organic matter, releasing nutrients and enhancing the fertility of the soil. They are essential processes for nutrient recycling in nature and contribute to sustainable agriculture and gardening practices. Therefore, Option A is correct.
The question is incomplete. find the full content below:
Compost is made by filling a pit with dry leaves and other vegetable wastes. This is covered up with soil and kept damp. It is frequently mixed to speed up the process. Which of the following processes occurring in nature is the MOST similar to composting, and enhances the fertility of the soil?
A. breakdown of dead material in the forest floor
B. formation of petroleum reserves under the ground
C. incorporation of nitrogen compounds in soil by lightning
D. absorption of soil nutrients by the root hairs of trees
Know more about decomposition here:
https://brainly.com/question/14608831
#SPJ8
members of which bacterial phylum share a unique morphology?
a. oxygenic photosynthesis
b. Spirochaetes
c. At the base of cyanobacteria
Answers
The answer is (b) Spirochaetes. Members of which bacterial phylum share a unique morphology is Spirochaetes.
Microscopic organisms are a different gathering of microorganisms that can be tracked down anyplace on The planet. They are characterized into various phyla in view of their remarkable attributes, like their morphology, digestion, and living space.
One of these phyla, Spirochaetes, is known for its particular twisting shape, which separates it from different microorganisms. Spirochaetes are known to cause a few illnesses, including syphilis and Lyme sickness, which can be communicated to people through contact with contaminated creatures or ticks.
Another phylum, cyanobacteria, is remarkable in light of the fact that it is fit for oxygenic photosynthesis, and that implies that it produces oxygen as a result of photosynthesis. This cycle is significant for supporting life on The planet, as it delivers most of the oxygen in our environment. Cyanobacteria are likewise known for shaping huge, complex designs called stromatolites, which are probably the earliest known proof of life on The planet.
To learn more about Cyanobacteria, refer:
https://brainly.com/question/10695747
#SPJ4
6. The mosquito Aedes aegypti is a carrier of the
Zika virus. Aedes is the name of the mosquito's
A. order.
B. family.
C. genus.
D. species.
From the science grade 6 savaas book
Need help homework is due soonnnnn
Answers
Aedes is the name of the mosquito's: D. species.
Aedes is the name of the mosquito's ?A. order is the taxonomic rank for a group of related families, and is not the name of a specific genus or species.
B. family is the taxonomic rank for a group of related genera, and Aedes is a genus of mosquitoes.
C. genus is the taxonomic rank for a group of related species, and Aedes aegypti is a species of mosquito.
D. species is the correct answer to this question, as it refers to the specific type of mosquito that is a carrier of the Zika virus.
Therefore the correct option is D.
Learn more about species here:https://brainly.com/question/25939248
#SPJ1
Tropical plant fossils have been found in cold Arctic islands where they cannot survive in the present-day climate of this area. According to Wegener's theory, how were these ancient tropical plants able to survive in Arctic islands?
O Plants were more adaptable in the past.
O The poles of Earth were warmer in the past.
O Arctic islands were closer to the equator in the past.
O Land movements warmed the landmasses in the past.
Answers
Answer:
Arctic islands were closer to the equator in the past.
Explanation:
This is due to Pangea, the state in which all landmasses were connected near the equator over 200 billion years ago.
Answer:
Arctic islands were closer to the equator in the past.
Explanation:
Took the test on edg
What part of the bacteriophage attaches and anchors itself to the bacteria?
Answers
Answer: Proteins in the "tail" of the phage bind to a specific receptor (in this case, a sugar transporter) on the surface of the bacterial cell. Entry: The phage injects its double-stranded DNA genome into the cytoplasm of the bacterium.
Explanation:
The most threatened areas of high species diversity on Earth have been labeled ________________ and include mostly tropical rainforests, coastal areas, and islands.
Answers
An individual is heterozygous for a gene at a specific locus. ________ will have the same form of alleles at that locus after S phase.
Answers
An individual who is heterozygous for a gene at a particular locus will have the same set of alleles at that locus after S phase. In other words, both chromatids would be identical after the S phase because the two alleles at the locus would have been replicated, leading to two identical sister chromatids.
Before the S phase, each chromosome comprises one duplicated and one non-duplicated chromatid. In the S phase of the cell cycle, DNA replication occurs. The two sister chromatids, which are exact replicas of each other, are formed as a result of DNA replication. After the S phase, the chromosomes' chromatids are known as sister chromatids, and the pairs of sister chromatids are attached at the centromere. The mitotic spindle separates the sister chromatids during mitosis, allowing for each daughter cell to receive one identical copy of the original chromosome in a diploid organism (one from the mother and one from the father).
The process of DNA replication ensures that both sister chromatids produced from a chromosome during cell division have the same set of genetic information. This allows each daughter cell to receive a complete and identical set of chromosomes during cell division, which is critical for maintaining genetic continuity.
To know more about heterozygous, refer
https://brainly.com/question/3676361
#SPJ11
Two objects are placed a certain distance from each other. The amount of gravitational force between the two objects depends on
their masses and the distance between them.
As the masses of the objects decrease, the force of gravity between them
As the distance between the objects
decreases, the force of gravity between them
OA. increases, increases
OB. decreases, increases
OC. decreases, decreases
OD
increases, decreases
Answers
Answer:
OB. decreases, increases
Explanation:
The formula is F = GM1M2/r^2. so you can see the gravitational force is directly proportional to the masses and inversely proportional to the distance.
Answer:
The answer is B. decreases, increases.
WILL MARK BRAINLIEST Identify 2 organisms that would have a decreased food supply if insects were removed from the food web,
Answers
Answer:
Frogs and voles would have less food supply.
Explanation:
There would be more food for the rabbits and slugs, so their populations would increase. However, ( there would be less food for the frogs and voles), so their populations would decrease. This means less food for the foxes and hawks. However, there are likely to be more rabbits and thrushes for them to eat, so their populations might stay the same.
An example of a receptor in a negative feedback loop controlling body temperature would be.
Answers
An example of a receptor in a negative feedback loop that controls an organism's body temperature would be: temperature sensors on the skin that detect a stimulus.
What is a feedback loop?A feedback loop is a biological process in which the output of a system inhibits or amplifies the body system, depending on the surrounding conditions.
Generally, a feedback loop helps to regulate or maintain the body temperature or the amount of hormones secreted in the body of a living organism.
The types of feedback loop.Basically, there are two (2) main types of feedback loop and these include:
Positive feedback loop.Negative feedback loop.A negative feedback loop inhibits or decreases the response by the body system and an example of a receptor in a negative feedback loop that controls an organism's body temperature is temperature sensors located on the skin, so as to detect a stimulus.
Read more on negative feedback loop here: https://brainly.com/question/13399335
what happens if u lose brain cells
Answers
Answer:
If you actually began losing brain cells then you could begin to have difficulties with motor and other skills. It may affect your nervous system, or pretty much anything else in your body depending on which ones you lose, meaning that your body may stop functioning properly. You may lose your ability to remember things or perform everyday tasks. It is true that some neurons die as people age because of the waste they accumulate that causes them to lose their function and degenerate. This can affect some elderly people by appearing as conditions like Alzheimer's, Dementia, or Parkinson's. While this is a natural event, some injuries or damage to the brain due to accidents, or the use of substances, cause destruction or deterioration in younger, healthier brains.
What is the kitakami river criteria
Answers
Answer:
The Kitakami River is located in Japan. It is the fourth largest river in Japan and in the Tohoku Region.
Explanation:
There really isnt a explanation.
The increased output of urine is known as _____.
Answers
Increased urine output is known as polyuria, or bladder disease, makes you want to urinate more often.
PolyuriaPolyuria is a condition when the body produces excess urine (urine). This condition, which includes bladder disease, makes you want to urinate more often. When urinating, the urine released is much more than it should be.
Symptoms of polyuria
The main symptom of frequent urination is of course the frequent urge to urinate. A healthy adult urinates normally 6-7 times a day. Urinating up to 10 times in 24 hours is still considered normal as long as there are no complaints and the urine looks normal.
Causes of Excessive Urine Production
Type 1 and 2 diabetes. The kidneys cannot filter sugar in the blood. As a result, the urine that comes out carries a lot of fluids so that you urinate frequently.Diabetes insipidus. This disease makes it difficult for the body to control the amount of fluid. The impact, you are more often thirsty and always want to urinate.Kidney illness. If its function decreases, the kidneys cannot produce urine as before. One of the effects is the production of excess urine.Pregnancy. Pregnancy can trigger gestational diabetes. This disease triggers the same impact as diabetes mellitus on urine production.Liver disease. The liver functions to break down the body's waste substances and distribute them to the kidneys for disposal. Disorders of the liver can affect kidney function.Worry. Excessive anxiety can upset the balance of vasopressin. This substance controls the water content in the kidneys.Learn more about Polyuria at: https://brainly.com/question/14812978
#SPJ4
what are the 3 main function of cells
Answers
Answer:
they are very essential in our life.
Explanation:
1)They are the building blocks of our life because
they help us to perform all living activities like respiration, excretion, reproduction , etc.
2)They help to generate energy in the body.
3) They provide support and structure to all parts of the body.
40 POINTS
What do you think will happen in a model built using these steps? Predict how erosion and weathering will occur in each container and whether the rate of erosion will be different.
How could she build a model to compare how different forms of water cause erosion on a hill?
Obtain two identical containers and dry sand.
Shape equal amounts of sand into a
slope on the side of
each container.
Spray water on the sand in one container. The sprayed water represents
rainfall
.
In the other container,
place ice cubes to melt on the sand. This represents snow or glaciers.
.
Observe and record the changes in the sand.
Analyze differences between the two containers.
Answers
Answer:
is there a pic of it
Explanation:
Answer:
do you have a picture to show?
Explanation:
A competitive inhibitor 选择一项: a. destroys the ability of an enzyme to function b. resembles an enzyme c. destroys the ability of a substrate to function d. resembles a substrate e. alters genes
Answers
Option (e). A competitive inhibitor resembles a substrate and competes with it for binding to the active site of an enzyme, thereby reducing the enzyme's activity.
A competitive inhibitor, as the name suggests, competes with the substrate for binding to the active site of an enzyme. It resembles the substrate in its structure and can bind to the active site of the enzyme. However, unlike the substrate, the competitive inhibitor does not undergo a chemical reaction and does not produce a product.
When a competitive inhibitor is present, it competes with the substrate for the active site of the enzyme. This means that the inhibitor and substrate cannot bind to the active site simultaneously. As a result, the formation of enzyme-substrate complexes is reduced, leading to a decrease in the enzyme's activity. The competitive inhibitor essentially "blocks" the active site, preventing the substrate from binding and reducing the rate of the enzymatic reaction.
Importantly, a competitive inhibitor does not destroy the ability of the enzyme to function or destroy the ability of the substrate to function. Instead, it interferes with the enzyme-substrate interaction by binding to the active site and reducing the enzyme's catalytic activity. The competitive inhibitor's resemblance to the substrate allows it to compete with the substrate for binding to the enzyme, thereby affecting the overall enzymatic reaction. It is worth noting that competitive inhibition can be reversed by increasing the concentration of the substrate, as this will enhance the chances of substrate binding to the active site despite the presence of the inhibitor.
Learn more about competitive inhibitor:
https://brainly.com/question/31503660
#SPJ11
two difference between the incisors and canines
Answers
Answer:
Incisors: 1. These teeth help in biting the food. 2. They are total 8 in number- four in each jaw. Canines: 1. These teeth help in tearing the food. 2. They are total 4 in number- 2 in each jaw.
Enamel is the hardest substance in the human body. Justify your answer.
Answers
Enamel is indeed the hardest substance in the human body. It is present in teeth of humans. It covers every tooth and provides the hard layer.
Tooth Enamel is hard glossy substance that is comprised of calcium and phosphate mineral crystals which in return makes our teeth more stronger. Teeth enamel care is extremely important to maintain the oral health of teeth.
Tooth Enamel is one of the major tissue that make up tooth in humans. It covers the top layer of the teeth known as Crown. Calcium hardens the tooth enamel. Enamel contains 96% of the minerals. The color of Enamel varies from light yellow to white.
Read more about Enamel,
https://brainly.com/question/16865303
Byproducts of metabolism are retained, leading to cell membrane damage. The number of cells contained within an organism is preset for life expectancy. When researching biologic theories related to aging, which statements are receiving increased acceptance?
Answers
When researching biologic theories related to aging, the statements that are receiving increased acceptance include: Byproducts of metabolism are retained, leading to cell membrane damage. The number of cells contained within an organism is preset for life expectancy.
Why do we age?
The aging process is a complex phenomenon that involves changes in biological, physiological, and social aspects of human beings. Scientists have studied various biologic theories related to aging to understand why and how aging occurs. The two main theories that are gaining increased acceptance are the Wear and Tear Theory and the Programmed Theory.
According to the Wear and Tear Theory, the accumulation of damage due to environmental factors, such as toxins and other chemicals, can cause the body to wear down over time. As byproducts of metabolism are retained, they can lead to cell membrane damage. This theory assumes that the body's ability to repair itself decreases with age and that the accumulated damage eventually causes the body to fail.
The Programmed Theory, on the other hand, assumes that the number of cells contained within an organism is preset for life expectancy. Aging is therefore a result of the programmed failure of cells to divide and replicate after a certain number of times. This theory suggests that aging is a natural and inevitable part of the life cycle.
To learn more about ageing visit below link
https://brainly.com/question/30512931
#SPJ11`
The two biological theories related to aging which are receiving increased acceptance are the free radical theory and the mitochondrial theory of aging.
The free radical theory of aging is a biological theory, which says that an organism's life span is determined by the number of free radical reactions that occur within the cells of the organism. Free radicals are chemically active atoms or molecules that contain unpaired electrons.
These molecules are highly reactive and can cause oxidative damage to cellular structures including lipids, proteins, and DNA. This damage accumulates over time, leading to cellular dysfunction and ultimately to age-related diseases.
The mitochondrial theory of aging: The mitochondrial theory of aging is another biological theory that states that mitochondrial DNA damage accumulates with age.
Mitochondria are the organelles responsible for producing ATP (adenosine triphosphate) - the energy molecule of the cell. During this process, free radicals are produced which damage mitochondrial DNA.
As mitochondrial DNA accumulates damage over time, energy production decreases leading to cellular dysfunction and aging.
To learn more about mitochondrial theory
https://brainly.com/question/28498341
#SPJ11
what molecule is the reactant of glycolysis
Answers
Answer:
Glucose
Explanation:
Glucose is the reactant; while ATP and NADH are the products of the Glycolysis reaction. There are three stages in anaerobic glycolysis reaction: 1) decarboxylation of pyruvate 2) Citric Acid Cycle (also known as the Krebs Cycle) 3) Electron transport chain.
Explanation :
What did O'Connor enjoy reading when she was at school? a. Harper Lee William Faulkn b. Edgar Allan Poe d. Emnest Heming 0
Answers
Answer:
Ernest Hemingway
Explanation:
The sugar molecule that stores the energy is called what?A.Cellular RespirationB.Carbon DioxideC.PhotosynthesisD.Glucose
Answers
Answer:
glucose
Explanation:
Glucose is the sugar molecule that stores the energy.
What is cellular respiration?It is a catabolic process.It provides energy by oxidizing glucose.What is photosynthesis?It is an anabolic process.It is the process by which green parts of plants synthesize carbohydrate.They require carbon dioxide, water, sunlight, and chlorophyll.Oxygen is released as a by-product.Carbon dioxide:Carbon-dioxide is a gas.It is one of the raw material of photosynthesis.It is released as a product of cellular respiration.To learn more about energy, glucose, photosynthesis, and carbon dioxide here,
https://brainly.com/question/2396657
#SPJ2
Many people have received the measles vaccine, which can prevent this very serious or even fatal disease. How does receiving a measles vaccine help to protect a person from getting the measles?
The vaccine causes the immune system to produce antibodies to the virus that causes the measles.
The vaccine adds a chemical to the body that is poisonous to the virus that causes the measles.
The vaccine inserts genes into body cells to fight the virus that causes the measles. The vaccine prevents the virus that causes the measles from entering the body.
Answers
Answer:
A vaccine is a weaker version of the virus therefore when you body creates the right antibodies it can kill it. Effectively it is used so when you do catch it the secondary response would be faster because they have the right antibodies already, memory b-lymphocyte hold the it and phagacytes absorbing it~ killing it
So it is the vaccine prevents the vius that causes the measles from entering the body
What 4 features do all chordates have?
Answers
All chordates share some structures during at least some stage of their development. These are the notochord, nerve cord, pharyngeal slits, and tail.
What are chordates?When talking about chordates we are referring to the chordate phylum. Individuals composing this group share four main structures,
Notochord
The notochord is a dorsal spine precursor from which the nervous system gets formed.
The notochord is present during the whole individual's life (like some tunicates) or during only the embryonary period (like vertebrates).
Nerve cord
The nerve cord is dorsally located, together with the notochord.
It is hollow, and, during embryogenesis, it might differentiate into a brain.
This cord connects external stimuli to the motor system to react to them.
Pharyngeal slits
Present only during a period of the embryonary stage. These slits give rise to different organs and structures like tonsils, ears, or gills.
Tail
All chordates have a tail in at least a period of the organism's development.
You can learn more about chordates at
https://brainly.com/question/12406059
https://brainly.com/question/8124743
#SPJ12
PLEASE ITS URGENT
Why did COVID-19 cause a pandemic that has continued to today?
Answers
Explanation:
Global Travel Urbanization Climate change Increased human-animal contactHealth work shortages.of differentially expressed genes in RNA-seq analysis is gene set enrichment analysis (GSEA). What is correct about the GSEA algorithm or reporting of GSEA results?
A. GSEA creates the functional gene lists dynamically, based on each experiment's results.
B. GSEA uses gene expression values to prioritize and weight the influence of each gene’s contribution to a prospective gene list.
C. GSEA reports lists from Gene Ontology but the algorithm cannot interpret the complexity of pathways
D. GSEA computes the different isoform structure for each gene from the RNA-seq data before it assigns an enrichment score
Which gene expression analysis method requires the user to define and curate the list of differentially expressed genes from the experiment?
A. Over representation analysis (ORA)
B. gene set enrichment analysis (GSEA)
C. Network Trajectory Projection (NTP)
D. RNA velocity Analysis (RVA)
Answers
The correct statements about the GSEA algorithm and reporting of GSEA results are options A and B.
Gene Set Enrichment Analysis (GSEA) is a widely used method for analyzing RNA-seq data to identify functional gene sets or pathways that are differentially expressed between experimental conditions. It provides insights into the biological processes and pathways that are associated with the observed gene expression changes.
Let's examine the options and determine which statements are correct:
A. GSEA creates the functional gene lists dynamically, based on each experiment's results.
This statement is correct. GSEA dynamically generates functional gene lists based on the specific gene expression data obtained from each experiment. It does not rely on pre-defined gene sets but instead uses the expression values of all genes to determine their contribution to the enrichment scores.
B. GSEA uses gene expression values to prioritize and weight the influence of each gene’s contribution to a prospective gene list.
This statement is correct. GSEA utilizes gene expression values to rank genes based on their association with the phenotype of interest. It then assesses whether the members of a particular gene set are enriched towards the top (or bottom) of the ranked gene list, indicating their collective contribution to the phenotype.
C. GSEA reports lists from Gene Ontology but the algorithm cannot interpret the complexity of pathways.
This statement is incorrect. While GSEA can utilize Gene Ontology (GO) terms, it is not limited to them. GSEA can analyze any gene sets or pathways, including curated sets from databases or user-defined gene sets, allowing for a comprehensive interpretation of the data.
D. GSEA computes the different isoform structure for each gene from the RNA-seq data before it assigns an enrichment score.
This statement is incorrect. GSEA does not directly compute isoform structures for genes. It operates at the gene level, utilizing gene expression values to assess their enrichment in gene sets or pathways.
Therefore, the correct statements about the GSEA algorithm and reporting of GSEA results are options A and B.
The gene expression analysis method that requires the user to define and curate the list of differentially expressed genes from the experiment is:
A. Over representation analysis (ORA)
In ORA, the user needs to predefine a list of differentially expressed genes from their experiment. This list is then compared to a reference gene set to determine whether there is an overrepresentation of genes within specific functional categories or pathways. ORA relies on a predefined gene list, whereas GSEA does not require this prior gene selection step and instead uses the entire gene expression data to identify enriched pathways.
To know more about Gene Set Enrichment Analysis(GSEA), refer here:
https://brainly.com/question/26164379#
#SPJ11
Which of the following statements about muscles of the elbow joint is true?
a. the brachioradialis originates and inserts on the ulna.
b. The biceps brachii is a posterior extensor.
c. The biceps brachii has two heads that share the same origin site.
d. None of the statements is correct.
Answers
From all the given options, the correct statement about muscles of the elbow joint is (c) The biceps brachii has two heads that share the same origin site.
The correct statement about muscles of the elbow joint is (c) The biceps brachii has two heads that share the same origin site. The biceps brachii is a muscle located in the upper arm and is involved in flexing the elbow joint. It consists of two heads, the long head and the short head. Both heads share a common origin point at the scapula, specifically the supraglenoid tubercle. The long head of the biceps brachii originates from the supraglenoid tubercle and runs along the intertubercular groove of the humerus. The short head originates from the coracoid process of the scapula. Both heads merge together and insert onto the radial tuberosity of the radius bone in the forearm.Thus, option (c) correctly describes the origin of the biceps brachii muscle, while options (a) and (b) are incorrect statements.
For more such questions on Elbow joint:
https://brainly.com/question/423191
#SPJ8
the threadlike structures that contain genes are called
Answers
Answer:
Chromosome are the threadlike structures that contains genes.