After yet another patron dripped sweat on her desk, the clerk at the gym complained, "It's gross working at a gym, with everyone sweating all the time." "Yes," the manager replied, "and it's probably costing us more for ________, but I'll bet we're saving on ________."
A. the water cooler; towels
B. weight machines; treadmills
C. towels; heating
D. the water cooler; air conditioning
Answer: D
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The signal recognition particle and its receptor on the surface of the endoplasmic reticulum ensure that proteins destined for incorporation into cellular membranes or
for export from the cell are translated into the endoplasmic reticulum so they may be processed through the endomembrane system. If a mutation rendered the signal recognition particle nonfunctional, what would likely be the most obvious effect on the cell? What if the mutation was on the signal recognition particle receptor? What will be an ideal response?
During meiosis in a reciprocal translocation heterozygote, what are the three ways that chromosomes may segregate at anaphase I, and what are the consequences for the resulting gametes?
What will be an ideal response?
Compare the action of repressor proteins in the lac operon and the trp operon
What will be an ideal response?
These are used as the basis of comparison when two samples of DNA are suspected of being from the same person.
A. fingernail samples B. restriction enzymes C. variable number tandem repeats (VNTRs) D. restriction fragments