What did Darwin famously refer to as an "abominable mystery"?
a. the associations between specific types of flowers and specific animal pollinators
b. the alternation of generations in plants
c. the sudden appearance and immediate diversification of flowering plants in the fossil record
d. the development of vascular plants
Ans: c. the sudden appearance and immediate diversification of flowering plants in the fossil record
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The enzyme aconitase facilitates iron utilization in cells. Would you expect to find the IRE of aconitase mRNA in the 3' or 5' UTR? Explain your reasoning
What will be an ideal response?
For several nights in a row, a sleep researcher wakes you up whenever you show signs of entering REM sleep. On the first night that you are allowed to sleep uninterrupted, you will most likely experience:
A) microsleeps. B) a dramatic increase in stages 3 and 4 NREM sleep. C) REM rebound. D) very little REM sleep.
Bacterial plasmids and artificial chromosomes are used as ________ to insert foreign DNA into host cells and create recombinant genomes.
A. vectors B. clones C. subunits D. endonucleases
There is no matrix in blood because it is a liquid.
Answer the following statement true (T) or false (F)