The pulmonary veins:
A. carry oxygenated blood from the lungs to
the left atrium.
B. carry deoxygenated blood from the lungs
to the left atrium.
C. carry oxygenated blood from the lungs to
the right atrium.
D. carry deoxygenated blood from the lungs
to the right atrium.
E. carry deoxygenated blood from the heart
to the lungs.
A
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Which of the following are muscle cells that are active in vasoconstriction and vasodilation of blood vessels?
A. Skeletal muscle cells B. Cardiac muscle cells C. Endocardium D. Smooth muscle
Which of the following is true of nucleosome structure?
A. Nucleosomes are composed of about 1,000 bp of DNA wrapped around a histone core. B. Nucleosomes are composed of about 200 bp of DNA wrapped around a histone core. C. The DNA wraps around the core nearly two times, forming a right-handed solenoidal supercoil. D. The DNA wraps around the core nearly three times, forming a left-handed solenoidal supercoil. E. None of these choices is correct.
There is significantly more genetic variation between human populations than within them
a. True b. False Indicate whether the statement is true or false
Within the Human Genome Project, the program named ____________________ considers how the project affects
individuals and society. Fill in the blank(s) with the appropriate word(s).