Which best completes the sentence? if something can reproduce then it
a. is a living thing.
b. might be a living thing.
c. is not a living thing.

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.

Which measure of an earthquake depends on how close you are to the focus?

What is one affect on the australian environment due to the introduction of non-native european rabbits