4) The inability of an organism to produce certain proteins can occur when an organism is lacking an enzyme needed to combine

A)
oxygen molecules
B)
simple sugars
C)
amino acids
D)
Biological catalyst

The blue particles in this image are able to cross the cell membrane through simple diffusion. how will they be transported? outside the cell inside the cell o a. the substances will move directly across the membrane from outside the cell to inside the cell. b. the substances will move through channels in the membrane proteins from outside the cell to inside the cell. o c. the substances will move through channels in the membrane proteins from inside the cell to outside the cell. o d. the substances will move directly across the membrane from inside the cell to outside the cell.