What is the main function of the central vacuole in a plant cell? A.
to absorb energy from the Sun to produce food
B.
to contain the cell's genetic material
C.
to break down molecules to release energy
D.
to store water and other materials

What causes an unsaturated fatty acid to have a different shape than a saturated fatty acid? o a. unsaturated fatty acids have more hydrogen atoms. o b. unsaturated fatty acids have double carbon bonds. o c. unsaturated fatty acids have more nitrogen atoms. o d. unsaturated fatty acids have single carbon bonds.

Which image shows labeled organelles that are present only in plant cells?

Which phrase is the best summary of the model shown? a. the transfer of the sun's energy through trophic levels b. a series of aerobic and anaerobic reactions c. a transformation of light energy into chemical energy d. the breakdown of food molecules