Anarrow slab of minerals that is different from the surrounding rock is known as a a. mineral rock c. vein b. geode d. none of the above select the best answer from the choices provided a b c d

Human genes only differ by less than percent. a. 1 b. 6 c. 11 d. 16

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.

Select the correct answer. what is the observable characteristic of a person called? o a. genotypephenotypeoc. alleleo d. gene