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!
1. Acceleration of impulse
2. Deceleration of impulse
Answer:
OPTION B
To produce certain traits
1. the water levels are droping in areas.
2. their are more frogs being hunted now.
3. Their food supply is going down
Answer:
Involves two intermediate hosts which are :
Explanation:
The life cycle of Trypanosoma cruzi involves two intermediate hosts: the invertebrate vector (triatomine insects) and the vertebrate host (humans) and has three developmental stages namely, trypomastigotes, amastigotes and epimastigotes
