The full range of electromagnetic energy is called the ________ spectrum
A) visible
B) electromagnetic
C) energy
D) ultraviolet
Answer: B
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Over generations in a population, individuals with higher fitness values will
A. become less prevalent due to natural selection against them. B. become more prevalent. C. stay at the same frequency in the population. D. become less prevalent due to their having less stamina. E. become less prevalent due to natural selection against them and become less prevalent due to their having less stamina are correct.
In working with a potentially new antibiotic, you are attempting to determine where in prokaryotic translation this antibiotic has its effect. You have determined thus far that it interacts with a translational factor but need to identify which one. If this antibiotic interfered with elongation, which of the following factors could be a potential site of action?
A) IF3 interaction with an aminoacyl tRNA B) EF-Tu placement of N-formylmethionine onto the ribosome C) EF-Tu interaction with an aminoacyl tRNA D) EF-Ts translocation of tRNAs from the A site to the P site E) all of the above
Can an individual receive two STR alleles from the same parent?
a. yes b. no
What is a fat or triacylglycerol?
A) a lipid made of three fatty acids and glycerol B) a molecule formed from three alcohols C) a carbohydrate with three sugars D) a protein with tertiary structure E) a kind of lipid that makes up much of the plasma membrane