Transport of materials into a cell against a concentration gradient, from low to high, requires

A)

water.

energy

osmosis

D)

a passageway

Submit

Hint

Structures and Functions

SB1 d) Cellular

A biologist trying to determine the mechanism of adenosine triphosphate (ATP) production in a newly discovered bacterium provides several different substrates on which the bacteria can feed.

Which of the following terms measure the amount of matter in an object

De ce pot plantele sa faca fotosinteza?

How can an individual most likely achieve optimal personal health?

Jimmy does a cannonball into the swimming pool. After surfacing and floating for a few seconds, he observes something interesting. He notices that if he takes deep breaths his body seems to float more.

because of its structure the cell membrane is known as a phospholipid? a. bilayer b. molecule c. fluid d. barrier

Why do vaccines not protect against all viral diseases?

All organisms are made up of cells. These cells are responsible for performing many functions in the body, such as making proteins and producing energy. In order to perform these functions, the cells need

What does a very high temperature do to a protein?

Submerging a red blood cell in distilled water will result in