What facilitates passive transport across a cell membrane?

adenosine triphosphate

solute equilibrium

concentration gradient

transport proteins

What happens when potassium ions continue to enter into the neuron after generation of an action potential?

What sphere does the ocean floor consist of?

Arrange the level of cell organization from the simplest to the most complex, with 1 being the simplest and 5 being the most complex. 1 ... 1 organ level 2 ... 2 system level 3 ... 3 tissue level 4 ... 4 organism level 5 ... 5 cellular level

Describe how the digestive system works at the organ level.

3. Is it possible to determine the DNA sequence from the following amino acid sequence: Leu Pro Arg? Why or Why not

When plant cells make food, they transform

Earth is divided into 24 what

A species of spruce tree occupies the same niche at the mouth of a river that a species of pine tree occupies further upstream.

Which is true about the light and heat apex

Two weeks before her menstrual period, margaret often suffers from pms. the abbreviation pms stands for