The blood pressure in the brachial artery-the major artery in your upper arm-is at its lowest during
A. the diastolic period.
B. exercise.
C. ventricular contraction.
D. the systolic period.
E. the time the aorta is maximally stretched.
Answer: A
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The placement of chromosomes into one of the seven groups in a karyotype is based on the
chromosome's A. size. B. centromere position. C. banding pattern. D. size and centromere position only. E. all of these.
When minute samples of DNA need to be genetically analyzed for identification purposes, which test can be effectively used?
A. Weil-Felix reaction B. Widal C. PCR D. Direct fluorescence antibody E. Western Blot
What is the significance of the homeobox sequence studied in animal species?
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