<span>There are two hormones that determine whether you fell hungry or full -- ghrelin and leptin. Ghrelin sounds like gremlin, and it's the hormone that makes your stomach churn and says, 'Hey, you gotta eat.' The second, leptin, sends message from fat that tells your brain you are full.</span>
Astronomy can best be described as a "<span>a. study of objects beyond earths atmosphere", although the subject of astronomy can be much more complicated. </span>
Answer:
Insulin
Explanation:
Not sure how to explain this further, as the function of the enzyme is explained fully in the problem lol. PM me if you want more details though!
Answer:
can adapt to environment, access to food, ability to mate and reproduce
Explanation:
yea this should be right
D is false, enzymes can be reused