Which nucleotide does not contain deoxyribose?
a. adenine
b. thymine
c. adenine
d. guanine
e. uracil
e
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Sandra has spent quite a bit of time in the sun. UVA has led to mutations in some of her cells,
but this damage was repaired by __________.
a. DNA repair genes b. oncogenes c. tumor suppressor genes d. all of these
The numerous, different species of Hawaiian honeycreepers that can be identified are a classic example of what concept?
a. adaptive radiation b. convergent evolution c. reticulate evolution d. homology e. punctuated equilibrium
The blood pressure in the veins of your toe is most likely higher than the blood pressure in the arteries of your little
finger. Indicate whether the statement is true or false.
Why are regions in the centromeres and telomeres rarely expressed?
a. They are wound around histone proteins. b. They are rapidly evolving. c. They are packed in heterochromatin. d. A and B. e. All of the above.