According to genome analysis, a member of the genus ________ is most closely related to the mitochondrion.
A. Prochloron
B. Agrobacterium
C. Rickettsia
D. Escherichia
Answer: C
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Preterm infants
Select one: a. have minimal nutritional problems. b. may have problems sucking and swallowing. c. will almost always die. d. are born with adequate mineral and fat stores.
Which of the following causes mutations in DNA?
What will be an ideal response?
Most of the species of organisms found in estuaries are classified as ____________ because they can tolerate a wide range of salinity.
Fill in the blank(s) with the appropriate word(s).
Which situation involves a risk to a fetus due to the mother smoking during pregnancy?
A. decreased digestive activity in the stomach of the fetus B. a decrease in the amount of oxygen in the ovary of the mother C. inhalation of secondhand smoke by the fetus D. toxins in the bloodstream of the mother