DNA polymerase is able to proofread the DNA sequence
Indicate whether this statement is true or false.
TRUE
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When reporting a direct smear from a primary specimen, it is important to note the presence and quantity of white blood cells even in the absence of bacteria for all of the following reasons ex-cept:
a. the pathogen may not be present in suffi-cient quantities. b. the presence of white blood cells indicates a purulent process. c. the pathogen may not be present in the sample collected. d. it is not important to report white blood cells unless bacteria are present.
Which pressure is created by the elastic recoil of the lungs and chest wall?
A) transpulmonary pressure B) intra-alveolar pressure C) intrapleural pressure D) exhalation pressure E) atmospheric pressure
Refer to the accompanying figure. The structures receiving air in figure 1 are known as:
a. anterior air sacs. b. parabronchi. c. spiracles. d. alveoli. e. tracheae.
Three molecules of the fatty acid in question 8 are joined to a molecule of glycerol (C3H8O3). The resulting molecule has the formula:
a. C48H96O6 b. C48H98O9 c. C51H102O8 d. C51H98O6 e . C51H98O6