Answer:
The correct option is C: antigen-binding sites
Explanation:
The antibody is shaped much like the letter Y in the English alphabet. It has two antigen binding sites that are identical in nature. The specificity of these sites is determined by the amino acid sequence that makes it up. Antibodies are complementary to these antigen binding sites, and the antibodies have an incredible ability to recognize a great variety of antigens.
Hope that answers the question, have a great day!
<span>selective breeding </span>because people are breeding new things.
Answer:
<h3>Maintaining a rich variety of genetic material that can lead to discoveries useful for humans can be ensured by preserving biodiversity. Explanation: Options for this question are: Preserving biodiversity .</h3>
<h2>Hope this is fine for you</h2>
Answer:
2
Explanation:
There are two kinds of photosystems: photosystem I (PSI) and photosystem II (PSII) (Fig. 3.3).
I would just recommend looking up a diagram of a cell, that should help and you should get all the necessary answers
