Which cell developmental process is likely to change the shape of the embryo without affecting size?
A. Cell proliferation
B. Programmed cell death
C. Cell movement or differential expansion
D. Cell differentiation
Ans: D. Cell differentiation
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Photosynthesis is the pathway used to synthesize carbohydrates from
A. sunlight. B. carbon dioxide. C. oxygen.
Which of the following catalyzes the unwinding of the DNA double helix during DNA replication?
a. topoisomerase b. primase c. DNA polymerase d. helicase e. DNA ligase
Darwin's observations of finches from the Galápagos included which of the following?
a. The 13 finch species were descended from a common ancestor. b. The 13 finch species each had differently-shaped bills. c. The 13 finch species had migrated from South America. d. The 13 finch species had different food preferences e. The 13 finch species had similar DNA sequences
If you are exposed to ancient Peruvian art for the first time and experience some difficulty trying to figure out the meaning and quality of the art, you would be forced to simply examine the specific elements of the art since you do not have any background cultural information to use as a context in understanding the art. This would be an example of
a. bottom-up processing.
b. top-down processing.
c. left-right processing.
d. right-left processing