During which phase does transcription stop, and the DNA begin to appear grainy and start to condense?
a. interphase
b. early prophase
c. prophase
d. anaphase
e. early anaphase
Answer: b. early prophase
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Studies of the origin of life on Earth help us to consider what would be required for life elsewhere in the Universe. Which of the following is most likely to be true of extraterrestrial life?
A. Carbon will act as the backbone for organic molecules. B. Light from a nearby star will make photosynthesis possible. C. Oxygen will be used to convert energy in cells. D. Water will not be required to sustain life.
In humans, Cryptococcus grows as a ________.
A. mold B. yeast C. a mycelium D. dimorphic fungus
The rapid growth of the human population still seen today began in the
A) 1200s. B) 1400s. C) 1700s. D) 1800s. E) 1900s.
Monoclonal antibodies are obtained from
A) human serum. B) animal serum. C) hybridomas. D) human B cells in culture. E) both human and animal serum