Jim adds an acid to a solution, but finds the pH has not changed afterward. This suggests the solution contains a(n) (anion/buffer/salt)
What will be an ideal response?
buffer
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All of the chemical reactions used to break down nutrients and build up components within the body are collectively known as
A. anabolism. B. catabolism. C. metabolism. D. proteolysis. E. hydrolysis.
What do you know about redox reactions? How does it relate to the question?
What will be an ideal response?
In the lac operon, CAP binding to the CAP site of the promoter ____
a. occurs when glucose is present b. inhibits RNA polymerase from binding to the promoter c. occurs when cAMP is absent d. helps the repressor protein bind to the operator e. enables RNA polymerase to transcribe the operon’s genes
The number of different alleles for ABO blood types in the total human population is
a. 4. b. 6. c. 9. d. 2. e. 3.