The megaspore divides mitotically, resulting in a female gametophyte or embryo sac that differentiat

Question 20 of 30
The megaspore divides mitotically, resulting in a female gametophyte or embryo sac that differentiates into an egg and a central cell with two nuclei called the
A. Generative cell
B. Pollen grain
C. Polar nuclei
D. Microspores
E. Endosperm

Question 21 of 30
Why are the cristae important in the inner membrane of the mitochondria?
A. Collects water molecules needed for metabolism
B. Promotes the concentration of chlorophyll molecules in one area
C. Provides larger surface area for ATP synthesis
D. Allows direct diffusion of glucose into the inside of the mitochondria
E. Allows sunlight to penetrate easily and quicken photosynthesis