How are microfilaments and microtubules similar? a. they are similar in diameter and length. b. both undergo dynamic shifts between assembly and disassembly. c. both use a single protein monomer during polymerization. d. both are involved in flagellar locomotion. e. both are sensitive to mutations in the protein, tubulin?

Consider the model of the oxygen cycle on earth. the majority of earth's oxygen reservoirs are found in the a) atmosphere. b) biosphere. c) hydrosphere. d) lithosphere.

Astudent reads the following text in a science book: scientific evidence tells us that the cause of earths four seasons is the tilt of earth as it revolves around the sound the student is instructed to illustrate this information in a science book. how will the student illustrate winter in the northern hemisphere? a.earths northern hemisphere will tilt away from the sun. b. earths northern hemisphere will tilt toward the sun. c.earths orbit will be farther away than from the sun d. earths southern hemisphere will tilt away from the sun.

Contrast how pollination is different among gymnosperms and angiosperms.