The cell membrane

A.

controls which substances enter and exit the cell.

B.

alters and packages proteins and lipids.

C.

is the site of most cellular chemical reactions.

D.

converts glucose to other energy molecules.

A species of fish is introduced into a lake. the fish is better at hunting for food than the old fish. the old fish die off, and the new fish population increases. which is the best way to describe these fish in the new ecosystem?

Which of the following correctly describes the difference between dominant and recessive traits? A. Dominant traits are found more frequently in a population than recessive traits. B.

Scientists describe a period called the Great Acceleration, in which human activities began significantly altering global systems.

Energy is transferred by

Where does the calvin cycle occur? there is a scheme of chloroplast structure. the outer layer of the chloroplast is labeled a. the inner layer of the membrane of the chloroplast is labeled b. a column of little green cisterns is labeled c.

How tto find out if your mottherboard has bluetooth?

Explain how water is wasted and ways people can conserve it. Be sure to include relevant facts and statistics.

Where on Earth's surface might you be if you are experiencing the westerlies? Explain how air pressure, temperature, and the Coriolis effect influence the movement and direction of these winds.

Why might it be important to use different models at different stages of an investigation.

Which of the following wave properties would be the best way to measure the height of a wave?