<span>8. Chitinase is an enzyme that breaks down the chitin molecules in an insect's exoskeleton. The sequence of amino acids in the chitinase is an example of which level of protein structure?
==> primary
9. The amount of energy needed for a reaction to take place is the activation energy. Enzymes can lower the activation energy of a chemical reaction. Which of the following describes a way that this could happen?
==> Molecules can be brought together so they will bond more easily.
10. What is one way that RNA differs from DNA?
==> It is single-stranded.
11. Which molecule do mammals use to store extra glucose in their muscles?
==> glycogen
12. Which molecule do plants use to store extra glucose?
==> starch
13. Which element is present in all amino acids, but not necessarily in fats or carbohydrates?
==> nitrogen
14. Which statement best describes the role of DNA in the body?
==> It contains genetic information.
15. Which statement best explains how enzymes speed up chemical reactions?
==> Enzymes lower the activation energy of a reaction.</span><span>
</span>
Answer:
A
Explanation:
because the common for all muscle is fatigue when when much movement
create new blood cell process is usually take place in bone marrow.
not all muscle are involuntary . smooth muscle and cardiac muscle are involuntary
Answer:
GPS, or the Global Positioning System, is a global navigation satellite system that provides location, velocity and time synchronization. GPS is everywhere. You can find GPS systems in your car, your smartphone and your watch. GPS helps you get where you are going, from point A to point B.
Explanation:
