The ____ keeps the lungs from completely deflating, even after a maximal exhalation
a. residual volume
b. tidal volume
c. vital capacity
d. lung capacity
e. lung volume
ANSWER: a
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Which of the following would you predict for an allosteric enzyme? Choose all that apply
A. An increase in the concentration of substrate molecules could activate the enzyme. B. Non-competitive inhibitors would bind at the active site. C. A downstream product later in the pathway could inactivate the enzyme. D. A downstream enzyme later in the pathway could inhibit the allosteric enzyme. E. An allosteric inhibitor could cause a conformational change in the enzyme decreasing its activity.
Genes that are close together on a single chromosome are considered to be
A.) homozygous. B.) linked. C.) independent. D.) alleles.
Induced pluripotent stem cells are an attractive approach to cell replacement therapy because of all the characteristics EXCEPT:
A) they can be induced to develop into many different types of tissues B) all of these are reasons why induced pluripotent stem cells are attractive to researchers C) they can be studied using techniques already derived from work with embryonic stem cells D) they can be derived from differentiated cells E) they always require killing of an embryo
Excerpt from Figure 14.8
The accompanying figure represents which chromosomal change?
A. Inversion B. Deletion C. Duplication D. Translocation E. Aneuploidy