Answer:
A is pointing to the cell membrane. The cell membrane's main function is to provide protection for the cell as well as allow substances in and out of the cell due to selective permeability.
Explanation:
Some other functions:
-Endocytosis and Exocytosis
-Cell Signaling
First, he should measure how long it takes for the liquid to become clear if X and Y are mixed together. Then, he should measure how long it takes if he also adds substance A to X and Y. He will find out if substance A is a catalyst. hope this helps :)
Answer:
hi!
Explanation:
If 2 parents are carrying sickle cell with them, if there child receives 1 different copy from each of the parents, they have sickle cell. but those parent's who are carrying the sickle cell do not get it, they can only pass it down. So if a child gets a Sickle cell gene (S), and a sickle cell gene (A) they get sickle cell.
I hope this helped! If it didnt, ill fix my answer! just let me know!
Answer:
Arginine - Leucine - Proline - Asparagine - Lysine - Arginine
Explanation:
10. mouth
11. salivary glands
12. esophagus
13. stomach
14. small intestine
15. large intestine