28. Which of the following structures

would be found in abundance in the

cells of the leg muscles of a sprinter?

A. Cell membrane

B. Cytoplasm

C. Mitochondria

D. Nucleus

Find an example of when Darwin visited the same biome on two different continents.

Which of the following is not necessary during Rho-independent termination of transcription? a. RNA polymerase b. Rho protein c. hairpin structure d. repeating As in the DNA sequence e. all of the above are necessary

That is a prerequisite (requirement) for counter-current exchange to function? Select all that apply. Select one or more: a. tidal flow of external medium (air or water) b. unidirectional flow of the outside medium (air or water) c.

High carbon dioxide concentration in body fluids is called

If bed bugs had never been exposed to DDT in the 1950's and 1960's, how would you expect that to affect bed bugs' resistance to pyrethroids during the last decade?

All three regions of the brain stem can be observed on the ventral surface of the brain. all three regions of the brain stem can be observed on the ventral surface of the brain. a. True b. False

Which mineral is important for carrying o2 in the blood?

Deanna explains to Wesley the different types of nitrogen in the nitrogen cycle. Choose the sentences that she includes in her explanation. Select all that apply. A. Bacteria fix nitrogen from ammonia gas. B.

What are three key factors that contribute to a female primate's success at feeding?

You breathe in more oxygen than you breathe out. And you breathe out more carbon dioxide than you breathe in. What type of change is oxygen turning into carbon dioxide? A. physical only B. chemical only C. physical and chemical