During the hybridization/annealing phase of a PCR reaction, the primers bind to the target DNA sequence at a specific temperature. What effect would an increase in the GC content of the primer have on the optimal temperature for annealing the primer to a
target DNA sequence?
A) the annealing temperature would remain the same
B) the annealing temperature would decrease
C) the annealing temperature would increase
Answer: C
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IgE is the:
a. first antibody produced when an invading microorganism is initially encountered. b. antibody that is associated with various parasitic infections. c. antibody that is secreted in various body fluids and primarily protects those body surfaces lined with mucous membranes. d. second antibody produced when an in-vading microorganism is initially encoun-tered and the most abundant.
Flagellates, amoebas, apicomplexans, and ciliates are all what type of protist?
A) slime molds B) protozoans C) dinoflagellates D) seaweeds
The blastopore forms during gastrulation
Indicate whether the statement is true or false
Perhaps a plant's greatest liability is its inability to ____.
A. produce growth hormones B. use aerobic respiration C. move when conditions around it deteriorate D. produce its own lipids and proteins E. respond to dwindling supplies of nutrients and water