Gram-positive bacteria have a thick cell wall composed of
question 3 options:

cellulose.

peptidoglycan.

glycogen.

none of the above

Which greenhouse gas is emitted when burn fossil fuels for energy? a.nitrogen b.oxygen c.carbon dioxide d.helium

In which layer do organisms on earth love?

5. what might happen if you were to remove all light from the setup after the discs have all become buoyant? describe what you would see. explain why this would occur with relation to cellular processes like respiration. [referring to an ap biology lab in which spinach discs are placed in a sodium bicarbonate solution and exposed to light.]