What part of the cell is mostly water, why is that important?

Compare muscle contraction to a game of tug of war.

Which of the following statements about matter is true? A. Mass and matter are always the same. B. Matter is made up of atoms and has mass. C. Mass can decrease while matter increases. D. Matter does not exist in the biosphere.

Tiny one-celled creatures that can live inside or outside of the body are called

A student swings his keychain around in a circle. What is the source of the centripetal force for this action? A. tension B. gravity C. friction D. weight

Emma has multiple sclerosis. If you could view her nervoussystem you would find a lack of neurotransmittersin some neurons areas where the myelin sheathhas degenerated areas where the dendrites areseverely damaged a reduction in the number

Dna amplification requires

a scientist observing an onion cells and a human cheek under a microscope which observation does she most likely take

Explain the process of hatching eggs under broody hen in rural areas

Which gas is not produced by volcanic eruptions?

What is the main pigment found in chloroplasts