Which of the following functions does active transport perform in a cell? equalizing the concentration of water inside and outside a cell
Moves substances through a protein without energy
O moving substances against a concentration gradient
O Moves gases through the membrane with a concentration gradient

The hypothesis of continental drift states that earth's continents, which are located on tectonic plates, move relative to each other. which of the following is true of the movement of the tectonic plates? a. tectonic plates only move once every million years. b. they move at a rate of approximately 5 centimeters per year. c. tectonic plates never move, only the continents located on them do. d. their movements are very rapid and occur at random times.

The kind of fertilization found in the majority of aquatic animals is (internal or external) fertilization.

Mrna decodes information from the original dna master plan to build proteins in the during the process of ribosomes.