What organelle provides a cell with energy?

How much energy is transferred when one organism consumes another organism? a. 10% b. 90% c. 80% d. 5%

Which cells are considered immortal? neurons blood cells cardiac muscle cells stem cells

In fruit flies, the gene for red eyes (r is dominant and the gene for sepia eyes (r is recessive. if a red-eyed heterozygous fly (rr mates with a sepia-eyed homozygous fly (rr, what are the possible genotypes of their offspring?

Which example best illustrates a condition for natural selection to occur

Which of the following is arranged in the proper order from smallest to biggest? A. tissues cells organ systems organs B. cells organs tissues organ systems C. organ systems organs tissues cells D. cells tissues organs organ systems

Should animals be bred for dissection? State and support your opinion.

Which statement does NOT correctly describe our sun? A. Our sun is an average sized star B. Our sun is a very old star C. Our sun has an average brightness D. Our sun is yellow-white

One scientist discovered a new theory on the evolution of stars. Why is it necessary for scientists all over the world to agree with the theory before it can be accepted?

Which u. s. states are most likely to oppose strict permit requirements under the Clean Air Act

In a text area below compare and contrast a cell membrane and a cell wall