Contractions of the dome-shaped __________ and the intercostal muscles between the ribs alter the volume of the
thoracic cavity during breathing. Fill in the blank(s) with the appropriate word(s).
ANSWER: diaphragm
Biology & Microbiology
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Which of the following sites of the human body does not have indigenous microflora?
A) bloodstream B) colon C) distal urethra D) vagina
Biology & Microbiology
Which of the following is a technique for separating charged molecules based on size and charge?
a. cloning b. recombinant DNA c. plasmid configuration d. gel electrophoresis
Biology & Microbiology
hCG stimulates which structure to secrete estrogen and progesterone?
a. the zona pellucida b. the corona radiata c. the corpus luteum d. the ovum e. the placenta
Biology & Microbiology
A(n) ____ includes the entire genome.
A. cDNA library B. transcribed library C. genomic library D. RNA library E. plasmid library
Biology & Microbiology