Amolecule that moves across a cell membrane without using the cell's energy tends to move?
a. away from the area of equilibrium
b. away from the area where it is less concentrated
c. away from the area where it is more concentrated
d. toward the area where it is more concentrated

What are some things that limit population growth?

Do you think the gene eef1 alpha1 supports cell theory? explain your response.

Some tools have graduations to show multiple measurements. for example, a ruler may have graduations for both millimeters and centimeters. when measuring the length of an earthworm, which graduations would allow for the most accurate measurement? millimeters centimeters decimeters meters