Studies of ribosomal RNA (rRNA) sequences indicate that ____ are more closely related to each other
than either one is to ____.
a. plants and fungi; animals
b. plants and animals; fungi
c. animals and fungi; plants
d. animals and bacteria; plants
e. fungi and bacteria; plants
C
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A decrease in cortisol triggers a negative feedback loop and causes release of _____
a. FSH b. cortisol c. corticotropin releasing hormone d. luteinizing hormone e. TSH
After his return to England, Darwin most pondered which question?
a. What could explain the great numbers and variety of species? b. Does the fossil evidence support uniformitarianism? c. Are the extinct and living armadillos the same species? d. Did Galápagos mockingbirds have a common mainland ancestor? e. Will natural selection work in England?
Which of the following molecules is the pentose sugar found in RNA?
A) 1 B) 6 C) 12 D) 13
Which of the following is a nuclear lamina disease?
a. Emery-Dreifuss muscular dystrophy b. Charcot-Marie-Tooth disorder type 2B1 c. Hutchinson-Gilford progeria syndrome d. All of the above