Suppose you have type O blood (genotype ii). To whom can you safely donate blood?
a. to people with type O only
b. to people with type A only
c. to people with types A, B, and O
d. to people with type B only
Answer: c. to people with types A, B, and O
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A monosaccharide with six carbons is called ____
a. triose b. hexose c. pentose d. heptose e. tetrose
Reactive oxygen species include all of the following except
a. hydroxyl radical b. oxygen molecules c. superoxide anion d. peroxide radic
All the populations of all the different species interacting with one another in the same environment is called
A. predation. B. symbiosis. C. diversity. D. an ecosystem. E. a community.
Which of the following statements about telomeres is INCORRECT?
A. Telomeres are crucial to the viability of a cell that replicates often. B. Telomeres would be longer in cells of older than younger individuals. C. Telomeres are short repeat sequences. D. Telomeres are lengthened by telomerase. E. Telomeres are found at the ends of chromosomes.