Which of the following is not an essential step in homologous recombination?
A) exonuclease degradation
B) branch migration
C) strand displacement
D) duplex separation
E) endonuclease nicking
Answer: A
Biology & Microbiology
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A person chokes when food becomes lodged inthe ____
a. esophagus b. trachea c. larynx d. sinus e. pharynx
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The plasma membrane of a muscle fiber is called the sarcolemma
____________________ Indicate whether the statement is true or false.
Biology & Microbiology
A membrane-bound sac used to transport substances into and out of cells is a
A.) pump B.) macrophage C.) lysosome D.) vesicle
Biology & Microbiology
Sperm mature in the________ .
a. epididymus.
b. seminal vesicles.
c. vas deferens.
d. prostate gland.
e. bulbourethral gland
Biology & Microbiology