Cells may have different shapes and different amounts of organelles, depending on their function. Which features do plant cells have that animal cells lack?
a
central vacuole, chloroplast, and smooth ER
b
Golgi apparatus, cytoskeleton, and vesicle
c
chloroplast, ribosome, and cell wall
d
cell wall, chloroplast, and central vacuole

Many birth-control pills release a constant amount of synthetic estradiols and progesterone for 21 days, followed by 7 days when no hormones are ingested. which of the following statements most accurately describes the effects of birth-control pills? -birth-control pills maintain constant levels of estrogens and/or progesterone so there is no surge in lh and ovulation does not occur.-birth-control pills inhibit the development of the uterine lining so implantation of a fertilized oocyte cannot occur.-birth-control pills maintain constant levels of estrogens and/or progesterones and mask the release of the oocyte from the follicle.-the 7 days with no hormones does not allow a thick enough uterine lining to form so a fertilized oocyte cannot implant.