A. Nutrients, vitamins would also be a correct answer
D. A protein catalyst in a living organism
Answer:
True
Explanation:
The sympathetic autonomic nervous system activates the body for hormonal or neuronal responses also known as fight- or - flight response, For example during an fire emergency and there is a need to run. The response occurs primarily by via impulses transmitted through the sympathetic nervous system, and also secondarily through catecholamines secreted from the adrenal medulla.
Although the sympathetic autonomic nervous system is activated in stressful conditions, it needs to be constantly active even at a basal level to maintain homeostasis.
In mrna adenine pairs with uracil (which replaces thymine) and guanine and cytosine pair up soo the complementary mrna strand would be cuuaag