Answers
Answer:
B.) Conjugation
Explanation:
It's right on edge.
Conjugation occurs when genetic material passes directly from one bacterium to another.
What is conjugation?It is a mechanism of gene transfer by direct contact between microorganisms that, especially in gram-negative bacteria, requires the prior formation of a conjugative bridge between the donor organism and the recipient.
In these cases, after the formation of the conjugative bridge, its retraction takes place, which ensures a close and stable intercellular contact necessary for the transfer.
Therefore, we can conclude that conjugation occurs when genetic material passes directly from one bacterium to another.
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Related Questions
Maria decides to take shorter showers to help conserve water. What is she doing?
1. recycling
2. rethinking
3. reducing
4. reusing
Answers
reducing! She is reducing the amount of water she uses
Answer: Maria is reducing the amount of water she uses by taking shorter showers. Therefore, the correct answer is 3. reducing.
Recycling is the process of converting waste materials into new materials and objects. Rethinking involves considering different approaches to a problem or situation. Reusing involves using an item multiple times instead of throwing it away after one use.
Explanation:
The body's most important nonspecific defense is
a) the skin.
b) the inflammatory response.
c) cell-mediated immunity.
d) permanent immunity.
Answers
Question 26
Which statement about the plasma membrane is true?
O Proteins embedded in the cell wall act as channels.
O Phospholipids in the plasma membrane serve as markers.
O Cholesterol helps keep the plasma membrane hydrophobic.
O The plasma membrane forms an impenetrable barrier.
Answers
Explanation:
cholesterol helps keep the plasma membrane hydrophobic.
I think this is the answer but I am not sure if it's correct or wrong
but ik that plasma membrane has a little bit of hydrophobic and hydrophilic regions
Can human systems function independently of each other ?
Answers
Answer:
Other organ systems present in your body are the circulatory,respiratory, muscular, digestive, integumentary, endocrine, reproduction, and nervous systems. All of these systems have specific functions but they cannot function independently. They rely on all of the other systems in order to work properly.
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In your dna what does T pair with
Answers
Answer: adenine
Explanation:
Please check my answer just to be safe :)
The diagram below shows the fossil record of bivalves over millions of
years.The change observed in the fossil record supports which of the following statements?
A) Species can change very little for a long time, and then undergo dramatic change over a relatively short period of time, followed by another long period of little change.
B) Species can change drastically, multiple times, over very short periods of time.
C) Species can change drastically for a short period of time, and then undergo very little change over a long period of time, followed by another short period of drastic change.
D) Species can change gradually and consistently over a very long period of time.
Answers
Species change gradually and consistenly over a very long period of time. This is known as species adaptation. Thus, the correct option is D.
Species do not undergo drastic changes over a short period of time, rather it is a gradual change which occurs. These changes accumulate over a long period of time.
The changes are a result of modifications in the phenotype due to the mutations in the genotype. These mutations occur for better adaptation to the changing environment for the survival of the species.
Thus, the change that is seen in the bivalves has occurred over a long period of time gradually for adapting to the environment in a way that facilitates survival of the bivalves shown in the diagram.
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Reducing red and processed meat consumption to this level will reduce risk of colon and rectal cancers, according to the American Institute for Cancer Research:Group of answer choicesLess than 28 ounces per weekLess than 25 ounces per weekLess than 18 ounces per weekNo amount is safe
Answers
Solution:
According to the American Institute for Cancer Research: consuming more than 18 oz. of red meat weekly may increase your risk of cancer. Therefore, the consumption should not be more than 3 servings a week or about 12 to 18 ounces (cooked).
So that, we can conclude that the correct answer is:
Less than 18 ounces per week.
A newly developed pesticide has been observed to bind to an intracellular hormone receptor. If ingested, residue from this pesticide could disrupt levels of
Answers
Answer:
Thyroid hormones
Explanation:
Animals and people exposed to pesticides such as insecticides, fungicides, and herbicides, have shown to be affected by their effect on the thyroid. These chemicals can produce endocrine alterations acting as thyroid disrupters. They affect many mechanisms in the organisms such as inhibition of thyroid iodine uptake, interference with the thyroid hormone receptor, binding to transport proteins, among others. They cause toxicity in the functioning of the hypothalamic-pituitary-thyroid axis.
There are many studies that associate thyroid diseases with exposure to organochloride pesticides. Significant alteration in the TSH, T3, and T4 levels have been expressed by people directly or indirectly exposed to the chemicals.
Biochemical oxygen demand is a measure of the
Answers
Answer:
A measure of the amount of oxygen necessary to decompose organic material in a unit volume of water. As the amount of organic waste in water increases, more oxygen is used, resulting in a higher BOD.
Explanation:
What day does summer begin in the southern hemisphere
answer options:
A. June 21
B. March 21
C. December 21
D. September 21
Answers
Answer:
The answer is C December 21
Explanation:
Answer:
June 21 trust me i got it right on edge
Explanation:
Which greenhouse gas is produced by commercial refrigeration and air conditioning systems?
A. Carbon Dioxide
B. Fluorinated Gas
C. Nitrous Oxide
D. Methane
Answers
Answer:
B. Fluorinated Gas
ok
Air conditioners and fridges involves greenhouse gases which are hydrofluorocarbons. In commercial refrigeration and air conditioning systems carbon dioxide gases is produced.
What is greenhouse gas?Greenhouse gases trap heat in atmosphere and warm the Earth.
The main gases involved are carbon dioxide, methane, nitrous oxide, water vapors etc. It also involves flourinated gases.
Carbon dioxide is primary greenhouse gas, which is emitted by human activities.
Thus, option A is correct.
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Which organism in the food web can be a primary consumer and a secondary consumer?
A.Bird
B.Owl
C.Rabbit
D.Mouse
Answers
Answer: I belive the answer is A
Explanation: owls are carnivores since they only eat meat. and rabbits and mouses eat veggies and grass * herbivores.*
Which example would be found in Earth's biosphere? O bacteria h O gases O oceans O ponds
Answers
Answer:
bacteria
Explanation:
Answer:
A.
Explanation:
Took it on edge
The punnets square shows a text cross of mice that are heterozygous for both traits what will the offspring be fill in the white boxes of the punnets square with all the possible offspring genotypes
Answers
Answer:
Punnett Square answer as shown in the image
Explanation:
What is non-specific immunity to disease? *
(1 Point)
Production of cloned plasma cells
var
Production of antibodies by lymphocytes
Endocytosis of pathogens by white blood cells
Blocking prokaryotic metabolism with antibiotics
Answers
Answer:
Production of antibodies by lymphocytes
Explanation:
Non specific immunity to disease refers to those immune cells that protect the body from bacterias, viruses, and pathogens that is they respond to more than one antigen compared to specific immunity to disease.
Production of antibodies by lymphocytes is an example of nonspecific immunity to disease. This is because antibodies produce help fights bacteria, pathogens and viruses. It is non specific.
3. Which organs are responsible for
protecting the body? How?
Answers
Answer:
Primary lymphoid organs: These organs include the bone marrow and the thymus. They create special immune system cells called lymphocytes. Secondary lymphoid organs: These organs include the lymph nodes, the spleen, the tonsils and certain tissue in various mucous membrane layers in the body (for instance in the bowel)
Explanation:
hope this helps
The thymus is located behind the breastbone above the heart. This gland-like organ reaches full maturity only in children, and is then slowly transformed to fatty tissue. Special types of immune system cells called thymus cell lymphocytes (T cells) mature in the thymus. Among other tasks, these cells coordinate the processes of the innate and adaptive immune systems. T cells move through the body and constantly monitor the surfaces of all cells for changes.
Lymph nodes are small bean-shaped tissues found along the lymphatic vessels. The lymph nodes act as filters. Various immune system cells trap germs in the lymph nodes and activate the creation of special antibodies in the blood. Swollen or painful lymph nodes are a sign that the immune system is active, for example to fight an infection.
The bowel plays a central role in defending the body against germs: More than half of all the body's cells that produce antibodies are found in the bowel wall, especially in the last part of the small bowel and in the appendix. These cells detect foreign substances, and then mark and destroy them. They also save information about the substances in order to be able to react more quickly the next time. The large bowel also contains harmless bacteria called gastrointestinal or gut flora. Healthy gut flora make it difficult for germs to spread and enter the body.
Mucous membranes support the immune system in other parts of the body, too, such as the respiratory and urinary tracts, and the lining of the vagina. The immune system cells are directly beneath the mucous membranes, where they prevent bacteria and viruses from attaching.
The tonsils are also part of the immune system. Because of their location at the throat and palate, they can stop germs entering the body through the mouth or the nose. The tonsils also contain a lot of white blood cells, which are responsible for killing germs. There are different types of tonsils: palatine tonsils, adenoids and the lingual tonsil. All of these tonsillar structures together are sometimes called Waldeyer's ring since they form a ring around the opening to the throat from the mouth and nose.
There is also lymphatic tissue on the side of the throat, which can perform the functions of the palatine tonsils if they are removed.
The spleen is located in the left upper abdomen, beneath the diaphragm, and is responsible for different kinds of jobs:
It stores various immune system cells. When needed, they move through the blood to other organs. Scavenger cells (phagocytes) in the spleen act as a filter for germs that get into the bloodstream.
It breaks down red blood cells (erythrocytes).
It stores and breaks down platelets (thrombocytes), which are responsible for the clotting of blood, among other things.
There is always a lot of blood flowing through the spleen tissue. At the same time this tissue is very soft. In the event of severe injury, for example in an accident, the spleen may rupture easily. Surgery is then usually necessary because otherwise there is a danger of bleeding to death. If the spleen needs to be removed completely, other immune system organs can carry out its roles.
........................................................
Answers
Answer:
It means that unavoided modification has accumulated on the original version.
Explanation:
When an engineer at a transmission station reports receiving noise, it means that they have detected unwanted and disruptive signals or interference in the transmission system. This noise can manifest as electrical disturbances, random signals, or other forms of electromagnetic interference that disrupt the quality and clarity of the transmitted information or data.
Receiving noise in a transmission system can have various causes, including environmental factors, electrical equipment malfunctions, electromagnetic interference from nearby sources, or signal degradation during transmission. It is essential for the engineer to identify and address the source of the noise to ensure the integrity and reliability of the transmitted signals. This may involve troubleshooting the equipment, adjusting signal filters, implementing shielding measures, or improving the overall transmission system design to minimize noise and maintain signal quality.
So, I think the bottom left is the right one.
URGENT!! NEED HELP IMMEDIATELY!!
Read about an early experiment that suggested one way simple cells could have emerged out of a “primordial soup” of complex molecules.
Write one to two sentences describing the environmental conditions in which the first cells likely emerged. How would these cells have survived?
Answers
Answer:
Here is the presentation I made. Good luck!
Explanation:
I won with this presentation two days ago so it is a guaranteed to be correct.
which of the four ways of using land below is least likely to cause envirmental harm
Answers
Answer:
Explanation:
Affect peak flow and water volume, will heighten erosion potential and affect habitat and water quality. Increase storm water runoff, which can deliver more pollutants to water bodies that residents may rely on for drinking and recreation. To avoid all this Controlling the use of plastic bags will help to keep our surroundings clean. One should use recycled and eco-friendly products such as paper or jute bags instead of plastic bags. Throwing of plastic bags by the roadside only makes our surroundings dirty and unhygienic.
what process is used by the cell to move the molecules from outside the cell to inside the cell
Answers
Answer:
Diffusion
Explanation:
Diffusion is one principle method of movement of substances within cells, as well as the method for essential small molecules to cross the cell membrane.
Heavy growth in the incubator after bacterial strains were incubated in candle and anaerobic jars
Answers
Answer:
Heavy growth in the incubator refers to the significant increase in the number of bacteria that were being cultured or grown in a controlled environment. The incubator refers to the device that provides the optimal conditions, such as temperature and humidity, for the growth of microorganisms.
Explanation:
When bacterial strains were incubated in candle and anaerobic jars, it means that the bacteria were placed in two different environments to observe their growth. The candle jar is used to create a low-oxygen environment, while the anaerobic jar creates a completely oxygen-free environment. The fact that there was heavy growth observed indicates that the bacteria thrived and multiplied rapidly in both the candle jar and anaerobic jar. This means that the bacterial strains were able to adapt and survive in low-oxygen or oxygen-free conditions. Overall, the observation of heavy growth in the incubator after incubating the bacterial strains in candle and anaerobic jars highlights the ability of these bacteria to flourish in specific environments with limited or no oxygen availability.
Plz help I need help
Answers
Answer:
chloroplast
Because of where and how it was made
Which are ways of showing probability? Select 4 options. 50% 557 1 × 104 25% 3/4 7/8
Answers
Answer:
Option: A and D are the correct answer.
A. 50% and D. 25%
Explanation:
We know that the probability of an event is the chance of occurring of an event.
The probability of an event always lie between 0 and 1.
It is equal to zero if the event will never occur and is equal to 1 if the event is certain to occur.
Also, the probability could be in ratio or it could be in percentage and the percent may be between 0%-100%
Hence, in the given options:
B) 557 is incorrect as the probability is greater than 1.
c) 1×104=104 is incorrect since the probability is greater than 1
Hence, the correct options are:
A. 50%
and D. 25%
Answer:
1,3,5,6
Explanation:
Scientific research shows that our global climate is changing as a result of an increase in greenhouse gases. Ocean temperatures and acidity are increasing, and the global sea level is rising. Which of the following best predicts an outcome of this global climate change in a marine ecosystem?
Many marine species will not be able to adjust quickly enough to survive.
More species will be able to survive due to the less extreme temperatures in the ocean.
Tectonic plate activity will increase and produce warmer ocean temperatures.
The increased acidity will make it more difficult for harmful bacteria to survive.
Answers
Many marine species will not be able to adjust quickly enough to survive, is the best predicts an outcome of this global climate change in a marine ecosystem.
What is ecosystem?
Ecosystem is a biological community of interacting organisms and their physical environment. It includes the abiotic factors such as temperature, sunlight, water, soil, rocks, and chemical elements, as well as the biotic components such as plants, animals, and microorganisms. Together, these components interact and support each other to form a functioning unit.
Therefore, Many marine species will not be able to adjust quickly enough to survive, is the best predicts an outcome of this global climate change in a marine ecosystem.
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Answer:
Many marine species will not be able to quickly adjust enough to survive.
Explanation:
Got it right on the biology flvs exam
Erosion by what substance made the sediments rounded?
Answers
usually undergoes burial, compaction, and cementation. Clastic sedimentary rocks are the result of weathering and erosion of source rocks, which turns them into pieces—clasts—of rocks and minerals.
Did Atom is the smallest level of organization
Answers
Answer: yes atom is the smallest level of organization
Explanation:
What factors led the red wolf to be considered extinct in the wild in the 1980s?
Answers
Answer:
human persecution and habitat loss
Explanation:
A pelican with excellent eyesight has
Answers
A pelican with excellent eyesight has the ability to spot fish in water from above, diving down to catch them.
A pelican is a water bird that has evolved to be able to dive into the water to catch fish. Pelicans are known for their large bills, which they use to scoop up fish from the water. A pelican with excellent eyesight has the ability to spot fish in water from above, diving down to catch them.
Pelicans have a unique set of adaptations that allow them to spot fish from above the water's surface. Pelicans have large eyes that are well-suited to detecting movement, which is essential for spotting fish in the water. They also have the ability to adjust the lenses in their eyes to focus on objects both in the air and underwater
.Their keen eyesight and keen sense of hearing make them excellent hunters, and they are known for their ability to spot fish even in murky water.
Once a pelican spots a fish, it will fold its wings and dive headfirst into the water to catch it. Pelicans can hold their breath for up to a minute while they dive underwater to catch fish, and they can swallow their prey whole. Pelicans are fascinating birds that have a unique set of adaptations that allow them to thrive in their aquatic habitat.
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Which statement best explains whether Einstein’s idea is a theory or law
Answers
Where do egg cells develop in a plant?
anther
ovule
stamen
pistil
Answers
Answer:
Ovule
Explanation:
Within the flower sperm cells are produced by pollen at the tips of stamens while egg cells develop in ovules tiny structures embedded in the ovary at the base of the pistil.