Easter Island ________
a. was discovered by Charles Darwin in 1650
b. had a thriving human community in 1440
c. is a paradise today
d. has a habitat that was destroyed by overpopulation of white-tailed deer
b
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In prokaryotes, the structure that assembles proteins is the
A. endospore. B. cell membrane. C. ribosome. D. lysosome. E. plasmid.
In a low carbohydrate diet, glucose may have to be synthesized from mono carbohydrate substrates in a process called:
What will be an ideal response?
Which of the following events occurs during interphase?
a. formation of the spindle b. alignment of chromosomes at the spindle midpoint c. disappearance of the nuclear envelope d. DNA synthesis
Most eukaryotic genes contain noncoding sequences called ________ that are interspersed with the coding sequences.
A. introns B. exons C. spacers D. spliceosomes E. codons