Which of the following provides information about the nature and potential cause of a fungal infection the most quickly?
A. Culture on Sabouraud's dextrose agar
B. Testing for temperature dimorphism
C. Culture on selective and differential media
D. Direct examination of fresh specimens (wet mounts, KOH preps, brighteners)
Answer: D
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Folic acid supplements have become especially important for pregnant women because _____
A) folic acid supplies vitamins that only pregnant women can use B) the folic acid is stored in adipose tissue by pregnant women so supplements are needed to make more available in the circulation C) the fetus makes high levels of folic acid D) folic acid deprivation is associated with neural tube abnormalities in a fetus E) folic acid deprivation is a cause of heart abnormalities in a newborn
Cholesterol functions in the plasma membrane to
A. transport ions. B. serve as an energy molecule. C. maintain fluidity. D. mediate steroid action. E. maintain hypertension.
The isolation and copying of a gene, usually in large quantities is called gene cloning
Indicate whether the statement is true or false
Comparing DNA sequences from living taxa and calibrating their rates of change with at least one well-dated fossil allows scientists to create time-calibrated trees with minimum and maximum age estimates for all branch points
Such studies are called ________ [two words] studies. Fill in the blank(s) with correct word