What happens when atp supplies energy for thin filaments in a muscle fiber to slide over the thick filaments?
a. the muscle contracts.

b. the muscle relaxes.

c. the muscle both contracts and relaxes.

d. the muscle neither contracts nor relaxes

There are specialized producers that live in warm water vents deep in the ocean. these producers do not per-form from photosynthesis, but instead perform a similar process with iron and other chemicals. why do you think these producers use this process instead of photosynthesis?

Akrabby blind whale has married pearl who has normal vision. oneof their two sons is also colorblind. what arr the genotypes of the parents?

For this question look at the hydropic diagram water that is heated by the sun evaporates. select the number that represents it.