Skin cells typically do not divide. Indicate whether the statement is true or false
F
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During which stage of the cell cycle does DNA replication occur?
a. S phase b. G1 phase c. G2 phase d. G0 phase
Short tandem repeats on ____ may be used to
determine genetic relationships among male relatives and descendants.
a. the Y chromosome b. chromosome # 3 c. the X chromosome d. chromosome # 8 e. chromosome # 20
In your microbiology lab, your class is identifying bacteria. You are using dichotomous keys to aid in the identification process using the data from a variety of biochemical tests. What problems do you foresee in this procedure?
A. If you misread a biochemical test or write down the wrong result, the key will likely take you to an alternative organism that is not your unknown bacterium. B. Dichotomous keys are too sophisticated to read properly, so you are worried that there will be a large degree of error in your identification. C. The dichotomous key does not contain information on your bacterium. D. Dichotomous keys are not valid for identification.
You are taking someone's blood pressure and are listening to sounds of blood flow just under the blood pressure cuff. If this person is hypertensive and has a blood pressure of 140/90, what would be the blood pressure associated with the first sound you
hear? A) above 140 mm Hg B) between 90 and 140 mm Hg C) below 90 mm Hg D) between 70 and 120 mm Hg