Some prokaryotic and all eukaryotic cells use oxygen to harvest energy from food molecules. In which form is this energy available to power cellular work?
a. fat molecules
b. glucose molecules
c. ATP molecules
d. heat and light
e. NADH
Answer: c. ATP molecules
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Which sex will undergo X chromosome inactivation? a. None of these choices
b. Females c. Neither d. Males e. Both
The majority of carbon dioxide is carried as:
a. CO2 bound to red blood cells b. Bicarbonate ion in the plasma c. Hydrogen ion bound to red blood cells d. Water in the plasma
What would a female genotype have to be for her to have the genetic disease hemophilia?
a. Both her X and her Y chromosome would have to have the recessive hemophilia gene. b. Only one of her X chromosomes would have to have the hemophilia gene. c. Both her X chromosomes would have to have the recessive hemophilia gene. d. Both her Y chromosomes would have to have the recessive hemophilia gene.
Helicobacter pylori produces (cytotoxin/hyaluronidase/urease), a unique virulence factor important to colonizing the digestive system.
Fill in the blank(s) with the appropriate word(s).