Pathogens can obtain iron from the body using
A) siderophores or transferrin.
B) proteases.
C) siderophores.
D) lipases.
E) transferrin.
Answer: C
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Conservationists prevented the construction of a __________ in order to save endangered
snail darters
a. dam b. highway c. national park d. overpass
Mutations are more likely to occur in repeated DNA sequences because
A) these bases are unstable. B) bases in the strand can form base pairs, generating loops that interfere with replication and repair enzymes. C) the repeats hold onto the replication enzymes, causing base mismatches. D) the repeats attract and bind to mutagens, increasing the mutation rate.
Through what structure(s) do plants obtain most of their water?
A) roots B) interior cells C) stomata D) leaves
4. To choose your primary care physician, the most important point(s) is(are) _____
to make sure your health plan covers it to find one that is close by where you live to feel comfortable with the person all of the above