RNA contains the sugar
a. ribose
b. lactose
c. glucose
d. deoxyribose
Answer: a. ribose
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Organisms in natural environments can be detected by assaying for the presence of their genes
Indicate whether the statement is true or false.
You are studying the island biogeography of birds in the Caribbean islands and find a species-area relationship with a constant, c = 8.1, and an exponent, x = 0.15. Recall that the species-area relationship is defined as S = cAx
How many bird species would you expect to find on an island of 240mi2? A. 3 species B. 18 species C. 21 species D. 50,000 species
Chronic high stress is associated with high cortisol levels that harm cells in the hippocampus, a brain region associated with ________
a. immune system regulation b. appetite control c. sexual function d. learning and memory
An internal checkpoint can be found where?
a. after anaphase b. after telophase c. during metaphase d. after the S phase