Which of the following chemicals is needed in order for cellular respiration to occur?

A: carbon dioxide

B: chlorophyll

C: oxygen

D: water

In the african savanna,more wildebeests are born than the environment can support. which is most likely to happen over a period of years as a result

Which of the following is a difference between active transport and facilitated diffusion? view available hint(s)which of the following is a difference between active transport and facilitated diffusion? facilitated diffusion can move solutes against a concentration gradient, and active transport cannot.active transport involves transport proteins, and facilitated diffusion does not.facilitated diffusion involves transport proteins, and active transport does not.active transport requires the expenditure of cellular energy, and facilitated diffusion does not.

How would you expect the mrna codons that code for the amino acids that make up hemoglobin to compare between humans