An endoplasmic reticulum is rough or smooth, depending on the presence of

A. a nuclear membrane.

B. mitochondria.

C. ribosomes.

D. proteins.

List three thing that could happen for succession to occur

The total magnification of a specimen viewed under a compound light microscope is determined by?

Chris has been competing all day in a track competition and is now ready for the 100-meter dash. Although he feels tired, which of the high-energy muscle compounds can he rely on for quick energy in this event?

With the severe changes to natural environments, many species are coming into contact with other species from which they were once separated, and sometimes members of the different species mate and produce hybrid offspring.

When cellular product levels get too high, the responsible enzyme is inhibited. this is an example of?

What is the main difference between aerobic respiration and anaerobic respiration? a. Aerobic respiration requires oxygen to proceed, but anaerobic respiration does not. b.

Further Investigations: A very important concept of succession is facilitation, where the successes of one community type change the environment gradually so as to not favor their own (or their children's) continued dominance, but rather favor the

In addition to the six elements most prevalent in living things here are other elements that are required for human life. Which element is necessary for humans to maintain a strong skeletal system?

What percentage of medicaid recipients nationally are in managed care plans?

Explain why life on land was difficult for early plants