Most of the food and waste materials that move into and out of a cell pass through A. receptor proteins.
c. enzymes.
b. marker proteins.
d. channel proteins.

videntify the dna change shown in the diagram and explain how that change can result in the increased genetic diversity often seen among siblings.identify the dna change shown in the diagram and explain how that change can result in the increased genetic diversity often seen among siblings.

because the light is a great source of energy for the plants to survive. (i hope this )

condenser is used to focus in the light microscope.