If your blood pressure were 120/70, it would mean that ________
A) your blood pressure during systole is 120 and your blood pressure during diastole is 70
B) you have high blood pressure
C) you have low blood pressure
D) your blood pressure during systole is 120 and your heart rate is 70
A
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Normal microbiota
A. are the organisms that typically reside on and in your body. B. protect against infection by pathogens. C. enhance infection by pathogens. D. play no role in affecting pathogen growth. E. are the organisms that typically reside on and in your body AND protect against infection by pathogens.
In gene therapy, what is transferred into an individual’s chromosomes?
a. a new genome b. an unmutated gene c. a mutated gene d. bacterial plasmids e. DNA libraries
Cells with a double set of genetic information are described by the term
a. polyploid. b. diploid. c. triploid. d. haploid. e. tetraploid.
Four of these statements are true about mitochondria. Which one is not true?
a. They have DNA. b. Their DNA can experience mutations. c. In animals, the mitochondria come from the mother. d. They undergo genetic recombination during fertilization. e. Their DNA can be used as molecular clock.