Can pollinator shifts enhance rates of species formation in plants?
A. yes
B. no
A
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As scientists began to purify and analyze RNA, it became apparent that rRNA and tRNA were modified. Whichtechnique allowed them to separate the various nucleotides so they could analyze the modifications?
A. polyacrylamide electrophoresis B. agarose gel electrophoresis C. thin-layer chromatography D. sucrose gradient centrifugation E. mass spectrophotometry
Northern blotting is not useful in detecting the SNPs associated with the ?A and ?S alleles. Explain why
What will be an ideal response?
A biodiversity hotspot is a(n) :
a. protected area with few humans present. b. type of island from which humans are leaving. c. an area rich in endemic species and high in human population. d. a type of corridor to which humans are rapidly migrating. e. an area poor in endemic species in a tropical location.
How do bacteria reproduce?