The BRCA1 gene has a dN/dS of 2.76 because the cancer it causes only affects the carrier later in life.
a. true
b. false
Ans: b. false
Biology & Microbiology
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The enzyme dicer chops dsRNA molecules into small pieces of
A. mRNA and miRNA. B. miRNA and siRNA. C. siRNA and rRNA. D. mRNA and siRNA.
Biology & Microbiology
In a frog in which the diploid number of chromosomes per cell is 24, what is the total number of chromatids present
per cell in prophase II after the first division and cytokinesis?
a. 0 b. 6 c. 12 d. 24 e. 48
Biology & Microbiology
A sperm count any lower than ______ million sperm per mL of semen is usually associated with infertility (sterility)/
Fill in the blank(s) with the appropriate word(s).
Biology & Microbiology
A chain of ganglia that extends the length of a body called the ______.
A. ganglion B. sensory neurons C. notochord D. nerve net E. nerve cord
Biology & Microbiology