A feeds on the waste of other living things.

What are the fixed alleles in the human species? o a. the alleles that are on the most chromosomes b. the alleles that change most often 000 c. the alleles that no one has d. the alleles that everyone has

Facilitated diffusion move large molecules and/or polar molecules across the cell membrane. what does facilitated diffusion use to do this?

In the diagram below, which organelle is a ribosome, which combines amino acids and produces proteins? оооо