In mammals, which of the following vessels transports oxygenated blood from the lung back to the heart?
A) pulmonary artery
B) pulmonary vein
C) superior vena cava
D) coronary artery
Answer: B
Biology & Microbiology
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Reactivation of telomerase activity is associated with:
A. aging. B. diabetes. C. Parkinson's disease. D. cancer. E. genetic disease.
Biology & Microbiology
Which is a hominin?
a. chimpanzees only b. australopiths only c. baboons only d. humans and australopiths e. chimpanzee, australopiths, and baboons
Biology & Microbiology
Sensory information is received by the ____
a. brain b. muscle c. gland d. skin e. heart
Biology & Microbiology
The F2 generation (the larvae measured in comparison) is shown in the graphs at the bottom of this figure. The cluster of bollworms at lower larva weights would have which genotype? Select one:
a. Rr or rr b. Rr or RR c. rr d. RR e. Rr
Biology & Microbiology