Answer:
Where DNA has thymine, RNA has uracil. So the structural component that is found in DNA but not in RNA is thymine.
Explanation:
The endocrine glands produce and release chemicals directly into the bloodstream or into a<span>Endocrine glands, on the other hand, release more than 20 major hormonesdirectly into the bloodstream where they can be transported to cells in other parts of the body. The major glands that make up the human endocrine system include the: hypothalamus. pituitary gland.</span>
the immune system is the body system that fights infection's my friend
<span>In cells, enzymes are proteins that are needed to lower the amount of energy required to start chemical.</span>
Enzymes are biological catalysts which accelerate chemical reactions (reactions are millions of times faster than without them). Every enzyme has an active site which binds substrates and converts them into products.