Which sentence correctly describes structures that cells move? select all that apply a. microtubules use rocking actions. b. cilia uses wavelike actions. c. flagella uses a whiplike motion. d. microfilaments use a cycling motion.

B and C

Explanation:

Option A is incorrect. Microtubules only support and give shapes to cells.

Option D is also incorrect because microfilaments mostly provide supports to cells as well.

The cilia is a slender protuberant structure found on some cells. A variant of the cilia (motile cilia) function in the locomotion of some unicellular eukaryotic organisms using wave-like actions.

The flagella is similar to the cilia in being protuberant as well as functioning as a locomotive structure. However, the flagella is much longer than the cilia and uses whip-like action instead of wave-like action.

Options B and C are correct.

dna damages cause changes in the structure of the genetic material and prevents the replication mechanism from functioning and performing properly. dna damage and mutation have different biological consequences. while most dna damages can undergo dna repair, such repair is not 100% efficient.

he forelimbs below belong to four species that descended in a direct line from the ancestral mammal shown above. of the four descendants shown, which species most likely appeared earliest in evolutionary history?