During fertilization, the acrosome _____
A) prevents polyspermy by releasing enzymes that destroy surrounding sperm
B) digests the coatings surrounding the plasma membrane of the egg
C) nourishes sperm mitochondria, increasing sperm motility
D) injects the sperm nucleus into the egg during fertilization
Answer: B
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Chemiosmosis is a general term referring to the movement of ions across a semipermeable membrane. When used to produce ATP in mitochondria, what is this process called?
a. photophorylation b. chemioxidation c. oxidative phosphorylation d. pyruvate metabolism
What hormone is responsible for ensuring the corpus luteum stays active after fertilization?
a. follicle stimulating hormone b. luteinizing hormone c. human beta chorionic gonadotropin d. estrogen
Which trait is polygenic in humans?
A. sickle-cell disease B. blood type C. cystic fibrosis D. height
A chiral compound cannot be superimposed on its mirror image. By this definition your hands would be considered chiral compounds.
a. true b. false