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

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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