Which structure is not a component of a carpel?
a. anther
b. stigma
c. style
d. ovary
e. ovule
ANSWER: a
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If a person was not able to produce pancreatic
secretions, which macromolecule(s) would they have difficulty digesting?
a. carbohydrates b. proteins c. fats d. nucleic acids e. all of these
If the nucleotide sequence, ACTGAG,
represents the sticky end of a DNA molecule, to what other nucleotide sequence would it “stick”?
a. TGACTC b. UGACUC c. ACTGAG d. ACUGUG e. GAGTCA
Slipped disks are very common in the United States. Which of the following can cause a slipped disk?
A) slipping on the ice in winter and breaking a vertebra of the coccyx B) improper lifting, leading to a bulge in a disk between two lumbar vertebrae C) two vertebrae of the sacrum slipping past each other in opposite directions D) scoliosis
According to the theory of common descent, how should each species on Earth today compare?
A) They should look very similar to all other species. B) They should not have ancestors in common with members of other species. C) They should have a single ancestor in common. D) They should have DNA that is mostly unique from other species.