Answer:
B. Carbohydrates provide energy for living things.
Explanation:
Answer:
i am not sure
Explanation:
cell membranes help maintain a state of homeostasis within cells (and tissues, organs, and organ systems) so that an organism can stay alive and healthy. A selectively permeable membrane allows certain molecules through, but not others.
Answer:
I am not sure what you are asking but when pH is alkaline it will change the litmus paper to that blue color.
Answer:
cytoplasm
Explanation:
A cell can be thought of as a "factory," with different departments each performing specialized tasks. A cell's plasma membrane regulates what enters or leaves the cell.
