Carbon dioxide and oxygen are molecules that can move freely across a plasma membrane. what determines the direction that carbon dioxide and oxygen molecules move? 1points a orientation of cholesterol in the plasma membrane b concentration gradient across the plasma membrane c configuration of phospholipids in the plasma membrane d location of receptors on the surface of the plasma membrane

your answer should be c) enjoy!

regents of the university of california v. bakke, 438 u.s. 265 (1978), was a landmark decision by the supreme court of the united states. it upheld affirmative action, allowing race to be one of several factors in college admission policy.

several tissues working together form an organ, and several organs together make up an organisms.

the group of cell that carries out special jobs are tissue.

the answer is d p: cell, q: organ, r: organ system, s: tissue