When the atria contract, where does the blood move next?
a. to the brain
b. to the body
c. the ventricles
d. to the lungs
c. the ventricles
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When substrate-level phosphorylation occurs, it means that:
A. NAD+ is converted into NADH. B. ATP is converted into ADP plus a phosphate group. C. ADP is converted into ATP by the addition of a phosphate group. D. NADH is converted into NAD+ plus a proton.
________ are physical or chemical agents that cause mutation.
Fill in the blank(s) with the appropriate word(s).
Which does not describe simple squamous epithelium?
The amino acid sequences of human and chimpanzee hemoglobin are almost identical, yet they differ considerably from the sequence of the hemoglobin of dogs. This fact
A) neither supports nor opposes the theory of evolution. B) opposes the theory of evolution. C) supports the theory of evolution.