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Vinvika [58]
4 years ago
8

In animals, cell recognition:

Biology
1 answer:
adoni [48]4 years ago
7 0

Answer:

The correct answer is D.  involves proteins in plasma membranes.

Explanation:

Animal cells have several types of proteins embedded in their cell membrane. These proteins play an important role in the transport of molecules, cell recognition, and cell communication.  

Recognition proteins are a type of glycoproteins present in the plasma membrane that allow one cell of the body to recognize the other body cells by making contact with recognition proteins of other cells. Receptors proteins allow cell-cell communication by receiving extracellular proteins.

These proteins are important for proper growth and development of the cell. Therefore the correct answer is D.  involves proteins in plasma membranes.

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Immunization with the childhood DPT (diphtheria, pertussis, and tetanus) vaccine protects against subsequent exposure to tetanus
Step2247 [10]

Answer:

generating tetanus-specific memory B cells

Explanation:

Memory B cells are cells of the immune system that produce antibodies against specific antigens present in pathogenic organisms. The B lymphocyte cells produce clonal memory B cells after the first exposure to the antigen, a process known as clonal selection. Subsequently, memory B cells that circulate in the bloodstream trigger a rapid secondary immune response (after a second exposure to the antigen) by producing antibodies against specific antigens that activated their parent B cell. Moreover, the DPT vaccine includes purified tetanus toxins (i.e., target antigens) that induce clonal expansion in specific B cells, thereby generating a population of memory B cells that produce specific antibodies rapidly in secondary immune responses.

4 0
3 years ago
Which category of organic molecules is correctly paired with one of its functions? A. carbohydrates – provides structural compon
erastovalidia [21]

The category of organic molecules that is correctly matched with one of its functions is (D) proteins – speed up chemical reactions.

Proteins are made up of amino acids and they serve a variety of cellular functions. These organic molecules also function as enzymes as well as hormones. Enzymes are proteins which act as biocatalysts and increase the rate of chemical reactions.

Carbohydrates are the macromolecules with the general formula (CH₂O)ₙ, where 'n' denotes the number of carbon atoms in the molecule. Their main function is to provide immediate energy to the body.

Lipids are non-polar organic molecules. They are hydrophobic in nature and are utilized for long-term energy storage by the cell. Nucleic acids are responsible for transmitting the genetic information from one generation to another.

To learn more about proteins here

brainly.com/question/17095120

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7 0
1 year ago
How would you describe the process of artificial selection ?
REY [17]
Artificial selection is the breeding of organisms to produce specific traits. An example would be to breed two specific dogs to get one dog with different traits such as herding, agility, and playfulness.
8 0
3 years ago
What happens if one stage of a plant life cycle is skipped?
Gre4nikov [31]

Answer:

It will damage the rest of the the cycle or the rest of the cycle won't even happen.

Explanation:

The plant cycle is like a person. You can skip sleep, food, water etc. or you will die.

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Which letter indicates a cell structure that
alexandr402 [8]

Answer:

b is you answer

Explanation:

5 0
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