What is the function of mitochondria in muscle fibers?

Which of the following are false concerning microbes? a. microbes generate oxygen through photosynthesis.b. the primary role of microbes on the planet involves causing disease in animals and humans.c. microbes produce vitamins in the intestines.d. microbes play a role in breaking down waste and decomposing dead organisms.

Which are reasons cells undergo cell division?

People with one sickle cell allele are not likely to get malaria. what is this an example of?