One of the planets known to have rings is

a. Venus

b. Mars

c. Uranus

d. Pluto

The permeability of a biological membrane to a specific polar solute may depend on which of the following? A. the amount of cholesterol in the membraneB. the types of transport proteins in the membraneC. the phospholipid composition of the membraneD.

How could a populations gene pool change overnight time?

Chlorophyll gives plants their it green color. chlorophyll is produced only when plants are exposed to light so plants kept in darkness have no chlorophyll and appear white. the best explanation for this is that

Which would have to happen to keep the population growth of cheetahs the same in 2013? 4 deaths, 7 births, 2 immigration, 6 emigration 3 deaths, 6 births, 5 immigration, 7 emigration 5 deaths, 2 births, 8 immigration, 3 emigration 1 deaths, 5

Which of these are healthy dating norms? Select the two correct answers. D A. One person on a date shouldn't let the other person talk. O B. Each person should be respectful of the other. O C. A group of boys and girls can go out together. O D.

The nucleus of an atom is comprised of

When the double stranded DNA helix is unwound, two single strands of DNA are formed. These strands have to be stabilized because their hydrophobic bases are exposed to water. The proteins that stabilize the two single strands are called

If the fatty acid has two or more double bonds, they are always spaced at three carbon intervals ... explain.

What do you call the sections chromosomes are divided into?

Which best explains why children often look like their parents?