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cupoosta [38]
3 years ago
5

What is an antigen?

Biology
1 answer:
Virty [35]3 years ago
5 0

Answer:

In immunology, an antigen is a molecule or molecular structure, such as may be present on the outside of a pathogen, that can be bound by an antigen-specific antibody or B-cell antigen receptor. The presence of antigens in the body normally triggers an immune response.

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Answer: Anterograde tracers

Explanation:

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Which molecule is called the "molecule of hereditary?​
Luba_88 [7]

Answer:

DNA

Explanation:

Experiments such as the one by Frederick Griffith in 1928 showed that DNA is the hereditary molecule. How showed that virulent bacterial species could transfer DNA to avirulent species and make them virulent too. This means that DNA determines the characteristic of the individual and can be passed down or across generations.

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Is unicellular, prokaryotic, and has a cell wall that contain peptidoglycan.
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Drag the tiles to the correct boxes to complete the pairs.
sweet [91]

Answer:

i dont really know but i think its a to the last slot b to the 2 slot and c to the first slot and d to third slot

Explanation:

my stupid brain

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3 years ago
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What happens when an atom loses an electron?
MatroZZZ [7]

Answer:

it becomes a positive ion

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