Ned is reading his newspaper by holding it at arm's length. Sandra asks him why he isn't holding it closer. He explains that he would not be able to see the print if he held it closer
Which of the following corrective measures would be the best solution for Ned? A) corneal ring segments
B) retinal transplants
C) convex lenses
D) concave lenses
C
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If a human red blood cell takes the shortest possible route from the right ventricle to the right atrium, then it must travel through this number of capillary beds.
A. one B. two C. three D. four E. five
A(n) ________ carries a specific amino acid to a ribosome, where the amino acid bonds to another.
A) mtDNA B) rRNA C) mRNA D) tRNA
Individuals with an XXY karyotype are ________ in humans and ________ in fruit flies.
A) male; male B) male; female C) female; male D) female; female E) male; intersexual
According to Linneaus' naming scheme, which describes the largest number of organisms?
A) family B) order C) genus D) class E) species