1. One reason for controlling which genes are expressed in multicellular organisms is that a. different cells have different functions so they need different proteins.

b. we need all proteins made in every type of cell.

c. we need cells made all the time.

d. not every cell needs amino acids.

e. none of the above​

This is collection of data made by comparing objects in standard units. in science, the units are metric.

You find a fossil that you are sure shows evidence of bipedalism. you know this because which of the following anatomical traits is present? a. thighbones that angle in toward the knees b. a narrow pelvis c. opposable hallux d. posterior position of the foramen magnum

Me asap i need during photosynthesis, the following reaction takes place: carbon dioxide + water + light energy → sugar + oxygen during cellular respiration, the following reaction takes place: sugar + oxygen → carbon dioxide + water + chemical energy given this information, how are photosynthesis and cellular respiration related? question 2 options: a the products of photosynthesis are the reactants of cellular respiration. b photosynthesis and cellular respiration both start with the same materials. c photosynthesis and cellular respiration both produce the same materials. d the same type of energy is found in both photosynthesis and cellular respiration.