The nervous system as a whole is divided into two main subdivisions: the central nervous system (CNS) and the are in peripheral nervous system (PNS). The CNS is composed of the brain and spinal cord, while the PNS includes all the in nerves that extend the CNS to the rest of the body.
The CNS is responsible for processing and coordinating information received from the sensory organs and initiating motor responses. It also plays a role in higher cognitive functions such as learning, memory, and emotion. The spinal cord acts as a pathway for nerve impulses to travel to and from the brain, and also has some reflex control over certain actions. Within the autonomic nervous system, there are two divisions: the sympathetic nervous system and the parasympathetic nervous system.
The nervous system can be divided into two main subdivisions, the central nervous system, which consists of the brain and spinal cord, and the peripheral nervous system, which includes all nerves and ganglia outside the CNS are in responsible for processing and integrating information received from the PNS, while the PNS is responsible for a in transmitting signals between the CNS and the rest of the body. The PNS is further divided into the somatic nervous system, which controls voluntary muscle movements, and the autonomic nervous system, which controls involuntary functions such as digestion and heart rate.
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the endocrine system appears to play a role in which types of disorders?
Menopause.
Diabetes.
Addison's disease.
Cushing's disease.
Graves' disease.
Hashimoto thyroiditis.
Hyperthyroidism/hypothyroidism.
Prolactinoma.
What vaccinations are given to cattle?
I need this ASAP....
Answer:
Clostridial diseases
IBR (Infectious Bovine Rhinotracheitis)
BVD (Bovine Viral Diarrhea)
PI-3 (Parainfluenza 3 virus)
BRSV (Bovine Respiratory Syncytial Virus)
Pasteurella
Leptospirosis
Brucella
Explanation:
Darwin discovered variations in species; what is the difference between interspecific variation and intraspecific variation
Intraspecific variation, also referred to as "within species variation," is the term used to describe variation within members of the same species. Contrarily, interspecific variation (also known as "across species" variation) refers to variation that takes place when contrasting members of different species.
Interspecific and intraspecific variance explained A biology course?Individuals belonging to the same species can differ from one another interspecifically. Interspecies variance is referred to as intraspecific variation.
What do intraspecific differences mean?Local extinctions, reductions in population abundance, and anthropogenic selection are threats to intraspecific variation, which encompasses the genetic and phenotypic diversity observed within and among populations. However, analyses of biodiversity frequently overlook this decline in species variety.
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Answer: D
Explanation:
intra - inside
inter - outside
-Frozen water that covers the ocean.
How do you think it is affected by human activities?
Answer:
swimming,fishing,
Explanation:
What magnification will you generally start out using when scanning for parasites? A. 4X. B. 10X. C. 40X. D. Both A and B.
Answer:
Explanation:
D. Both A and B
Before the development of electrophoresis to separate macromolecules, ____________ was used to isolate DNA.
Before the development of electrophoresis to separate macromolecules, density gradient centrifugation was commonly used to isolate DNA.
Density gradient centrifugation is a technique that exploits the differences in density of macromolecules to separate them based on their sedimentation rates. In the context of DNA isolation, density gradient centrifugation allowed for the separation of DNA from other cellular components, such as proteins and RNA, by exploiting the differences in density between these molecules.
By subjecting a mixture containing DNA to centrifugation in a density gradient, the DNA molecules would migrate to a specific region in the gradient corresponding to their density. This allowed for the isolation of DNA from the other components present in the mixture.
Electrophoresis, which uses an electric field to separate macromolecules based on their size and charge, has since become a widely used technique for DNA separation and analysis. However, before its development, density gradient centrifugation was an important method for DNA isolation.
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A version of a gene is called a(n)
O allele.
O autosome.
O karyotype
O phenotype.
Answer:
allele
Explanation:
An allele can be defined as a variant of a gene localized at the same locus or chromosome position. These gene variants may encode the same protein (when different alleles encode the same protein sequence) or different protein variants (when nucleotidic differences encode distinct protein sequences). It is important to note that the diploid organisms (like humans) have two alleles for each gene, which are localized on homologous chromosomes.
A version of a gene is called an allele. Genes are sections of DNA that hold the instructions needed to make certain proteins or useful RNA molecules. Hence the correct option is A.
Alleles are distinct versions or variants of a gene that can cause changes in the trait or feature the gene controls.
Alleles are found at specific locations on chromosomes known as loci. Each gene is present in two copies in humans, one from each parent.
As a result, a person might be heterozygous (having two copies of the same allele for a given gene) or homozygous (having two copies of two distinct alleles).
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Miguel y Andrés empujan dos cajas del mismo material y de diferente peso, aplicándoles la misma fuerza, como se muestra en la siguiente figura: Si Miguel y Andrés empiezan a empujar sus cajas al mismo tiempo, ¿cuál de los dos cruzará primeroel banderín?
Answer:
Cualquiera sea más ligero porque será más fácil de empujar. Dando como resultado la caja para superar la línea de meta más rápido
Explanation:
Which of the following is not a cause of mutation?
A. Errors during replication
B. UV radiation
C. Oncogenes
D. Harmful chemicals
Oncogenes is not a cause of mutation.
What are Oncogenes?An oncogene is a gene that has the potential to cause cancer. In tumor cells, these genes are often mutated, or expressed at high levels. Most normal cells will undergo a programmed form of rapid cell death when critical functions are altered and malfunctioning. They regulate cell proliferation, growth, and differentiation, as well as control of the cell cycle and apoptosis.
Therefore, (C) option is the correct answer.
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In a food chain the flow of energy is Always___.
one-way
reversible
two-way or
uncontrolled
for each of the following, state whether it is an organelle , a cell , a tissue , an organ , an organ system, or an organism a) heart b) trachea c) onion epidermis d) onion bulb e) onion plant f) human being g) lung
b heart because it is connected to the organelles
a culture of yeast grown under anaerobic conditions is exposed to oxygen, resulting in a dramatic decrease in glucose consumption by the cells. this phenomenon is referred to as
When an anaerobic yeast colony is exposed to oxygen, the amount of glucose that the cells consume falls dramatically. The Pasteur effect is the name given to this phenomena.
It has not been thoroughly investigated whether Pasteur's discovery that respiration and glycolysis are related, and that oxygen consumption inhibits glycolysis, is true. The crucial role of oxygen lies in the conservation of nutrients while the usable energy production per molecule of glucose is rendered large—this is referred to as the "Pasteur effect." The Crabtree effect is the opposite of the Pasteur effect (oxygen-induced inhibition of glycolysis) (suppression of respiration by high concentration of glucose or fructose).
The fermentation process is inhibited by oxygen due to the Pasteur effect. Louis Pasteur demonstrated the phenomenon in 1857 and demonstrated that aerating yeast broth promotes an increase in yeast cell development while decreasing the pace of fermentation. Summary. The "negative Pasteur effect," which affects yeasts, is the topic of the current paper. the enhancement of alcoholic fermentation in the presence of elementary molecular oxygen and its inhibition under anaerobic conditions. All of the Brettanomyces strains that were tested had this effect clearly confirmed.
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what does it mean for a trait to be both polygenic and multifactorial?
When a trait is said to be both polygenic and multifactorial, it means that the trait is influenced by multiple genes (polygenic) and also by multiple environmental factors (multifactorial).
Polygenic traits are those that are determined by the interaction of many different genes, while multifactorial traits are those that are determined by a complex interaction between genetic and environmental factors. Examples of such traits include height, skin color, and susceptibility to certain diseases.
In these cases, the contribution of each gene and environmental factor to the trait is typically small, and the final expression of the trait is the result of the cumulative effect of all these factors.
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What chemical bond most likely stores the mos energy?
The chemical bond that typically stores the most energy is the covalent bond, specifically the triple bond, as it involves the sharing of the highest number of electrons.
Covalent bonds involve the sharing of electrons between atoms, resulting in the formation of a stable molecule. Within covalent bonds, there are variations in bond strength, which correspond to the amount of energy required to break the bond.
Among covalent bonds, triple bonds are generally the strongest and store the most energy. Triple bonds involve the sharing of three pairs of electrons between two atoms. Examples include nitrogen gas (N2) and acetylene (C2H2), where the nitrogen and carbon atoms form triple bonds, respectively.
The strength of a covalent bond depends on several factors, including the number of shared electron pairs and the types of atoms involved. Bonds with higher bond orders (such as double or triple bonds) tend to be stronger and store more energy compared to single bonds.
It is important to note that other types of chemical bonds, such as ionic bonds and metallic bonds, also play significant roles in storing and releasing energy, but in general, covalent bonds, particularly triple bonds, are known for storing the most energy.
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What is the main difference between vascular and non-vascular plants?
A. Non-vascular plants grow really tall.
B. Don't have specialized conductive tissues, such as xylem and phloem.
C. Non-vascular plants are unicellular.
Answer:
B. Don't have specialized conductive tissues, such as xylem and phloem.
Explanation:
Non-vascular plants are those without a vascular system, they lack xylem and phloem, and grow from spores.
Hope this helps^^
Which base does Adenine pair with in RNA?
A. Uracil
B. Guanine
C. Thymine
D. Cytosine
Answer:
A. Uracil would be the answer.
Sven discovered a new organism. It is unicellular, has no nucleus, and its cell wall lacks peptidoglycan. To which domain does Sven's new organism belong?
a- Archaea
b- Bacteria
c- Eukarya
Answer:
Archaea
Explanation: It has prokaryotes that consists lack of peptidoglycan. Hope it helps :)
Sven’s organism if a is a member of archaebacteria Kingdom, does option "A" is correct
What is an archaebacteria?Archaebacteria are the oldest inhabitants of Earth, It is considered as a separate Kingdom.
Archaebacteria are single celled, lacks nucleus, genetic material is RNA, chemoautotrophic, anaerobic bacteria.
Archaebacteria is found in extreme living conditions, for example hydrothermal vents and sub zero polar region
Bacterial cell wall, nucleus but cell membrane is composed of peptidoglycan
Eubacteria's cell membrane is also composed of Peptidoglycan
Hence, archaea is the correct option
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1) How do forensic entomologists use insects to determine how long a person has been
deceased? (3 pts.) I
2) How do weather and location affect the process of determining time of death? (3 pts.)
3) Why are maggots of different ages found in a body? Provide an example to support your
claim. (4 pts.)
50 POINTS!!!
Explanation:
1. Forensic entomologists use two main methods to evaluate approximate time of death in, one method looks at what type of insects are on and in the decomposing body and the other uses the life stages and life cycles of certain insects to establish how long a body has been dead.
2. The formula approximates that the body loses 1.5 degrees Fahrenheit per hour, so the rectal temperature is subtracted from the normal body temperature of 98 degrees. The difference between the two is divided by 1.5, and that final number is used to approximate the time since death.
3. Adults of the same species will arrive at the body at different times. Adults of different species may also arrive at different times or they may colonize the corpse in different stages of succession.
Maggots cause most of the body's decomposition because the maggot will do the majority of the eating. The larva then develops into a pupa, which eventually becomes an adult. Forensic entomologists use the presence of insects to help determine approximate time of death of corpses.
Now write four additional questions about HIV/AIDS that could help strengthen your argument in the presentation
HIV/AIDS is an infectious disease caused by the Human Immunodeficiency Virus which causes severe damage to the immune system.
1. How is HIV transmitted?
HIV is most often spread through unprotected sexual intercourse, as well as through blood transfusions and sharing of needles or syringes contaminated with HIV-infected blood.
It is also possible for a mother to pass HIV to her child during pregnancy, childbirth, or breastfeeding. However, activities such as hugging, shaking hands, or using the same toilet are not known to transmit HIV. HIV can be easily spread through contact with infected bodily fluids such as semen, vaginal fluids, or blood.
2. What are the signs and symptoms of HIV?
At the initial stages of HIV infection, one may experience flu-like symptoms such as fever, headache, swollen lymph nodes, joint and muscle pains, rash, and sore throat. As the virus progresses, more advanced signs may arise, such as extreme fatigue, sudden weight loss, yeast infections, shingles, and fever lasting more than 10 days.
3. What is the distinction between HIV and AIDS?
HIV is a virus that can weaken the immune system over time, and if left untreated can lead to AIDS. AIDS is the most advanced stage of HIV infection and is characterized by the presence of certain illnesses and a weakened immune system. HIV itself does not cause any symptoms, but can eventually cause a person's immune system to weaken to the point that they develop AIDS.
4. What medications are used to treat HIV?
Antiretroviral therapy (ART) is the main form of treatment used to manage HIV. This treatment uses a combination of medications that work to reduce the amount of virus in the body to an undetectable level, stopping it from replicating and spreading. By achieving this undetectable level, the risk of transmitting HIV to others is greatly reduced.
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The zebra mussel is a highly invasive species that was accidentally introduced to the Great Lakes region of the United States in the 1980s. The map below shows the distribution of zebra mussels in 2010. • Zebra mussel location What is the primary reason the large-scale spread of zebra mussels concerns scientists? Zebra mussels out-compete native mussel species. © Zebra mussels are a freshwater species. Zebra mussels are a desired food for humans. Zebra mussels are eaten by some fish and birds.
Answer:
Although the map showing the distribution of mussels in not included but the question can be answered based on general understanding of invasive species. The answer is:
Zebra mussels out-compete native mussel species.
Explanation:
Invasive species in biology refers to the species of an organism that is foreign to a particular area/location with an ability to grow very rapidly to the point of being a threat to the local species of organisms that are native to the area.
This is the case of the Zebra mussel, which was accidentally introduced to the Great Lakes region of the United States in the 1980s. It is a major concern for scientists (like every other invasive species) because of its potential to outgrow and outcompete native mussel species i.e mussel species naturally found in the lake.
Answer:
community interaction
Explanation:
Can someone help me with those 3 questions plz ! and thank you !
Answer:
a. mouse
b. dominant and recessive traits
c. because of the difference Genes we inherit from our parents
Please help me!!!!!
8 A, 9 C, 10 D.
Plate tectonics are from moving plates which separated. Trenches and volcanoes seperated pangea. Also the movement of glaciers proves that Pangea occurred.
Tadpoles use lungs to breathe Please select the best answer from the choices provided 0 T OF
Answer: False
Explanation: Tadpoles have gills and breathe with gills.
Answer: F
Explanation: Its creepy but they have gills. Little to none have lungs.
which means of particle transport requires energy from the cell
Answer:
Active transport requires energy input from the cell.
sensitivity analysis are important in qmra because they help to determine which exposure pathways contribute significantly to the overall variability and uncertainty in the exposure estimate reduce the likelihood that the model will fail under different scenarios increase the number of variables included in the model leading to higher identify the pathogen which is most likely to cause the adverse health outcome in a population
Sensitivity analysis is important in QMRA because they help to determine which exposure pathways contribute significantly to the overall variability and uncertainty in the exposure estimate. This is correct.
Sensitivity analysis is a crucial component of Quantitative Microbial Risk Assessment (QMRA). It involves systematically varying input parameters or assumptions within a model to assess their impact on the model's output. The primary purpose of sensitivity analysis in QMRA is to identify which factors or variables have the most significant influence on the overall variability and uncertainty in the estimated exposure to microbial pathogens.
By conducting sensitivity analysis, researchers can identify exposure pathways that contribute the most to the overall variability in the exposure estimate. This information is valuable for prioritizing interventions and control measures to reduce the risk of infection. It helps in focusing efforts on those pathways that have the greatest impact on the health outcome of interest.
The other options mentioned in the statement are not accurate regarding sensitivity analysis in QMRA:
- Sensitivity analysis does not directly address the likelihood of the model failing under different scenarios. Its focus is on identifying influential factors and understanding their impact on the model's output.- Sensitivity analysis does not inherently increase the number of variables included in the model. Instead, it helps identify the most important variables and can guide decisions about which variables to include or prioritize in the model.- Identifying the specific pathogen that is most likely to cause an adverse health outcome in a population is beyond the scope of sensitivity analysis. QMRA may involve assessing the risks associated with various pathogens, but determining the specific pathogen causing adverse health outcomes typically requires epidemiological investigations and laboratory testing.Learn more about QMRA here:
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Which of the following statements is true about the diagram below A. H+ ions are moving into the cell by facilitated diffusion B. The concentration of H+ ions is increasing inside the cell C. H+ ions are moving out of the cell by active transport D. The H+ ions are moving down the concentration gradient
\(H^+\) ions are moving out of the cell by active transport. Option C.
What is active transport?Active transport is a form of cell transportation that requires the expedition of energy, usually in the form of ATP.
An example of active transport is ion transport across the cell membrane as depicted in the image. When materials are moved from the side of higher concentration to the side of lower concentration, the materials are moved along their concentration gradients.
When materials move from the side of a lower concentration to the side of a higher concentration, the materials are said to be moved against their concentration gradients.
From the image, one can see that \(H^+\) ions are moving from the cytoplasm across the cell membrane to the external environment. It can also be seen that this movement of ions requires ATP. Thus, it can be concluded that \(H^+\) ions are moving out of the cell by active transport.
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Since a pump carrier protein is carrying H+ from the lower-concentration side to the higher-concentration side using ATP, we can assume the true statement about the diagram is C) H+ ions are moving out of the cell by active transport.
What is active transport?Active transport is a cellular transmembrane type of transport together with passive transport and simple diffusion.
Active transport acts against the electrochemical gradient, so it does need energy to transport substances. It carries molecules from a low-concentration side of the membrane to a high-concentration side.
The energy used comes from ATP (Na-K bomb) or the membrane's electric potential.
The transmembrane proteins involved in active transport are Carrier proteins.
In the exposed image you can see
A higher concentration of H+ in the extracellular space.H+ being pumped against their electrochemical gradient (from the lower concentration side to the higher concentration side)ATP is mediating this transportA H+ pump is carrying H+.This is active transport. Option C.
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why is it important to study the ecology of an area?
Ecology and enriches
Explanation:
Why is it ecology important because ecology enriches our world and is cruail for a human well being and prosperity maybe..?
How has the human population grown in the last 200 years? Why has human population growth accelerated in the last 200 years?
Answer:
1. The size and growth rate of the human population has changed in the past 200 years because reproduction rates have increased due to the large number of people in the world. 2. Human population has grown exponentially over the past century. It has done so largely by producing large amounts of food, and learning how to control disease. Ten thousand years ago, when humans first invented agriculture, there were maybe one million humans on the planet.
Explanation:
Answer:
1. The size and growth rate of the human population has changed in the past 200 years because reproduction rates have increased due to the large number of people in the world. 2. Human population has grown exponentially over the past century. It has done so largely by producing large amounts of food, and learning how to control disease. Ten thousand years ago, when humans first invented agriculture, there were maybe one million humans on the planet
Explanation:
How do protist get inside the gut of a termite?
Explanation:
their mutualism parasites they benefits off of The termite because of the food they eat and the termite just live with it , letting it eat the food from the inside of their stomach , and protists live inside the stomach as a home like parasites do but this is mutualism because the termite lets them
Evaluate which statement is accurate:
2) Oxygen is an output of photosynthesis, carbon dioxide is an output of cellular respiration
b) Carbon dioxide is an output of photosynthesis, oxygen is an output of cellular respiration
-) Glucose is a product of cellular respiration, ATP is a product of photosynthesis
3) Oxygen is an input of photosynthesis, carbon dioxide is an output
a
Answer:
2)
Explanation:
plants use oxygen for photosynthesis.
humans breathe out carbon dioxide