Blood leaving the legs and pelvis returns to the heart through the ____
a. ascending aorta
b. abdominal aorta
c. coronary artery
d. superior vena cava
e. inferior vena cava
ANSWER: e
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The immune response is as important as or even more important than antibiotics in the elimination of Bordetella pertussis from the body
Indicate whether the statement is true or false.
The pellicle of protozoa is most directly involved in:
a. feeding b. information storage c. locomotion d. structure e. water removal
Which statement best describes the value of fungi in the environment?
a. Fungi "fix" nitrogen from the air for use by plants. b. Fungi trap sunlight energy in the form of carbohydrates. c. Fungi release elements from organic matter. d. Fungi enrich the soil by decreasing the rate of decay of organic matter. e. Fungi remove toxic metals from the soil.
In rabbits, there are four alleles at the c locus. Arranged in dominance sequence they are:C
(agouti), cch(chinchilla), ch(Himalayan), and c (albino) (a) Is it possible to cross two agouti rabbits and produce both chinchilla and Himalayan offspring? (b) Is it possible to cross two chinchillas and produce 1/2 chinchilla and 1/2 Himalayan? What will be an ideal response?