The covalent linkage between the monomers in a dinucleotide is a(n) ________
A) disulfide bond
B) ester bond
C) peptide bond
D) ionic bond
E) phosphodiester bond
Answer: E
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According to your text, the gap in per capita gross national income between the world's 10 most and least prosperous countries is closing, from 70 times to only 20 times as great
Indicate whether this statement is true or false.
If a human is deprived of oxygen due to trauma or injury, why is the brain the first area of concern? Check all that apply.
_____ Because the heart can use glycerol and fatty acids as energy sources during the postabsorptive period. _____ Because the skeletal muscles can use glycerol and fatty acids as energy sources during the postabsorptive period. _____ Because we cannot function without the brain. _____ Because the byproducts of the use of glycerol and fatty acids as energy sources during the postabsorptive period by the brain are toxic.
What happens when coleoptiles are illuminated with directional light from the side instead of from directly overhead?
A. More auxin is produced. B. Less auxin is produced. C. Auxin is transported away from the lighted side. D. Auxin is transported toward the lighted side. E. Auxin receptors are activated.
The hydrophilic regions of a membrane protein are most likely to be found
A) associated with the fatty acid region of the lipids. B) in the interior of the membrane. C) exposed on the surface of the cell membrane. D) only in muscle cell membranes. E) attached to carbohydrates and facing the interior of a cell.