Answer: C
Explanation: The Moon has phases because it orbits Earth, which causes the portion we see illuminated to change. The Moon takes 27.3 days to orbit Earth, but the lunar phase cycle (from new Moon to new Moon) is 29.5 days.
For the first question, I believe it's 36. For the second question, it is oxygen, as oxygen is essential for aerobic processes. For the last question, the summarized cellular respiration equation is the 2nd one.
I think the answer to this is E
Answer:
Beta sheets?
Explanation:
I don't have picture to answer it but based on my understanding, glycines are very flexible thus they are uncommon in alpha helix (proline are rigid and kink stuff thus they are uncommon in right handed alpha helix).
Therefore, beta sheets should be the best orientiation.
