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9966 [12]
3 years ago
7

The first cells activated by the antigens are called ?

Biology
1 answer:
juin [17]3 years ago
8 0

Answer:

Effector B- cells.

Explanation:

These are also known as plasma B cells- and are pretty much the cells that secrete antibodies against the antigen in question. They also, through a cascade of events, produce activated T-cells (T-helper and T-cytotoxic cells). The latter cells organize cell-mediated immune response against the antigen.

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4 years ago
Which form of adenosine phosphate carries the most potential energy? A. ATP B. ADP C. AMP
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thus, ATP is the higher energy form (the recharged battery) while ADP is the lower energy form (the used battery). When the terminal (third) phosphate is cut loose, ATP becomes ADP (Adenosine diphosphate; di= two), and the stored energy is released for some biological process to utilize.  So ATP.

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The conversion of ammonia to nitrate could be accomplished by the presence of A. Nitrosomonas alone.B. Nitrobacter alone.C. Anab
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Answer:

Both Nitrosomonas and Nitrobacter. (Ans. D)

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Answer:

1 , 3 , 4

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