Which statement explains why oxygen molecules easily diffuse across a cell membrane while glucose molecules do not?

a. oxygen is polar.
b. glucose is too big to pass through.
c. protein membranes block glucose.
d. oxygen is a gas.

Gregor mendel is best known for his work with pea plants and for uncover many of the mysteries of genetics. one of his major findings stated that there were specific, physical units of inheritance that are transmitted during reproduction. what is the the name given to these units of inheritance which can be found on chromosomes? a) centromeres b) cytoplasm c) genes d) nucleotides

What substance acts to prevent sudden ph changes in bodily fluids?

Due tonight 10 points will mark brain