Your that i believe is correct would
A. an enzyme must be composed of multiple polypeptides, or subunits, to be active
QUICK ANSWER
An adenosine triphosphate molecule stores energy that is released and used by energy-consuming reactions, such as muscle contraction, transmission of nerve impulses and formation of other molecules. ATP is found in cells and is made from the breakdown of food. It is composed of oxygen, hydrogen, phosphorus and carbon atoms. The energy in an ATP molecule is locked within phosphate bonds, which hold its phosphate groups together.
Plants and algae, if you need more bacteria and sometimes animals photosynthesize.
Answer:
Root hair cells are alive and therefore need energy, which is why root hair cells contain many mitochondria in them. Root hair cells don't contain chloroplasts. Chloroplasts are used by the plant to make food using light energy. Since the roots aren't exposed to any form of light, they have no need for chloroplasts.
Answer:
the balloon and soda can will do nothing, while the two balloons will repel each other
Explanation:
opposites attract and the soda can is too heavy to be attracted to the balloon