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Agata [3.3K]
2 years ago
10

Which statement explains why the structure of sickle cells differs from normal red blood cells?

Biology
1 answer:
solmaris [256]2 years ago
8 0

Answer:

a

Explanation:

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Answer:

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Explanation:

Breathing is the physical process where you inhale and exhale air in and out of your lungs. Respiration is a chemical reaction where Oxygen is used to breakdown Glucose in order to generate energy which is then used by the cell to function.

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Phagocytes are unable to adhere to bacteria that have external capsules concealing their membrane carbohydrates. Our immune syst
ludmilkaskok [199]

Answer:

The correct answer is c) opsonins

Explanation:

Opsonization is a process in which proteins like antibodies and complement proteins called opsonins bind to the antigens and get it recognized by the phagocyted which destroys the antigen.

Especially when bacteria is having external capsule than it becomes difficult for phagocytes to attach to the capsular surface as the recognition molecule like membrane carbohydrate of antigen is concealed by capsule.

So to encounter this, antibodies like IgG and complement proteins like C3b attaches to the antigen and get it recognized and opsonized by the phagocytes like macrophages. This opsonization causes the destruction of antigen by enzymatic lysis.

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How does the mutation rate affect the speed at which a population adapts to its environment?
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Answer:

Under these conditions an increase in the mutation rate evolves, which allows faster adaptation to the spatial variation in local temperature, causing a faster range expansion across the spatial gradient.

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