Rabbit, insect are biotic meaning living.
Answer:
A. heterotrophic,chitin in cell walls
Explanation:
All mentioned complexes (receptor-hormone, antibody-antigen, enzyme-substate) are involved in a molecular recognition.The molecular recognition involves <span>non-covalent </span> interaction between molecules. To form complex, molecules must be complementary in shape and charges, and usually, they are compared to key and lock. This way, the selectivity and specificity of recognition between molecules are assured.
The answer is red for the highest surface temp of a star.
I think it’s the third answer
I hope that helped
