testosterone inhibits
What will be an ideal response?
gonadotropin-releasing hormone (GnRH) secretion
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QTL stands for quantitative trait loci and is an example of monogenic inheritance
Indicate whether the statement is true or false
Phage T4 protects its DNA from cleavage by host restriction enzymes by
A. inactivating restriction enzymes. B. replicating very rapidly. C. substituting glucosylated hydroxymethylcytosine for cytosine. D. methylating bases.
Which of the following best describes sponges?
A) They are asymmetrical, lack tissues, and do not move. B) They are symmetrical, lack tissues, and do not move. C) They are asymmetrical, have tissues, and do not move. D) They are symmetrical, have tissues, and do not move.
Sulfolobus are archaea that are commonly found in geothermal environments, with an optimum growth temperature of about 80°C. What feature allows archaea to thrive at such temperatures?
A. Archaea are highly adaptable to changing environmental temperatures. B. Archaeal membranes contain special lipids. C. Archaea use the heat from their environment to produce ATP. D. Archaea have two cell walls that helps prevent heat absorption.