In which blood vessels do the exchange of gases and other materials occur?
A) arteries
B) veins
C) capillaries
D) right atrium
C
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Considering the catabolite repression mechanism, which observation would make you suspect it is NOT occurring?
A) CRP bound to promoter sites B) elevated levels of transcripts for maltose and sucrose catabolism C) relatively low intracellular cyclic AMP levels D) RNA polymerase bound to biosynthetic promoter sequences
The statement "DNA ? RNA ? Proteins" ________.
A) is known as the central dogma B) depicts the regulation of gene expression C) is the same in all organisms, as well as viruses and prions D) describes a series of catalytic reactions
Macromolecules including sugars, glycogen, and starches composed of sugar monomers linked and cross-linked
together are known as ____. a. carbohydrates b. lipids c. proteins d. fatty acids e. nucleic acids
Which type of reaction is shown below? glucose ? lactic acid + ATP
A photosynthesis B aerobic respiration C cellular respiration D anaerobic respiration