Which best describes the importance of carbohydrates to organsim

What is thought to have caused the mass extinction at the end of the cretaceous period?

Plz ! a frog has a genetic mutation in skin cells that causes part of its skin to turn orange the frog will not pass this genetic mutation onto its offspring because, a. the offspring will inherit skin cells from the other parent. b. mutated skin cells cannot divide and produce daughter skin cells. c. skin cells do not contribute genetic material to sex cells. d. parents do not contribute genetic material to their offspring.

Chloroplasts and bacteria are in size. a. similar b. at different ends of the size range c. exactly the same d. none of these