What type of organism converts light energy from the Sun into chemical energy? Multiple choice question.

A)a photoautotroph

B)a chemoautotroph

C)a heterotroph

D)a detritivore

What is the significance of the protein-lined pits? a. protein attracts other proteins needed for atp synthesis within the cell. b. protein-lined pits are able to transport one molecule at a time down the concentration gradient within the cell. c. the polarity of proteins allows other polar molecules to attach and be transported in the cell by transport channels. d. receptors within the pits allow ligands to fuse and be transported into the cell by endocytosis.

Amino acids with hydrophobic r groups are most often found buried in the interior of folded proteins.true or false.

One student group hypothesized that the dry baker's yeast must be alive.the temperature change, odor, and bubble foation, they said, indicated whych characteristic of life