The coronary vessels
a. supply and drain the heart muscle.
b. bypass the heart ventricles.
c. send blood directly to the lungs.
d. are not really necessary because the heart can get its blood supply from the "inside."
e. lead directly from the atria to the ventricles.
A
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A pure culture
A) is sterile. B) is a population of identical cells. C) is made of a clearly defined chemical medium. D) contains one microbial cell.
The scientist who received the first Nobel Prize in Medicine for his work on antibody therapy was
A. Koch. B. von Behring. C. Jenner. D. Roux.
What is true about reciprocal translocation heterozygotes and inversions? (Select all that apply.)
A) The amount of DNA in the genome remains the same. B) The genes at the boundaries may be disrupted, while those in the middle are most likely unaffected. C) Up to 50% of gametes may be unbalanced, resulting in semisterility. D) They are both used to make Balancer chromosomes.
The Law of Thermodynamics that states that energy cannot be created or destroyed is the
A. Fourth Law of Thermodynamics B. Third Law of Thermodynamics C. First Law of Thermodynamics D. Second Law of Thermodynamics