A(n) ________ is an arrangement of atoms found in a variety of macromolecules and serves as their primary reactive end.
A. buffer
B. isotope
C. salt
D. stereoisomer
E. functional group
Answer: E
You might also like to view...
Why are DNA fragments attracted to the positive pole of the agarose gel?
What will be an ideal response?
Which of the following statements best summarizes the acid-growth hypothesis in an actively growing shoot?
A) Auxin stimulates proton pumps in the plasma membrane and tonoplast. B) Auxin-activated proton pumps lower the pH of the cell wall, which breaks bonds and makes the walls more flexible. C) Auxins and gibberellins together act as a lubricant to help stretch cellulose microfibrils. D) Auxins activate aquaporins that increase turgor pressure in the cells.
Which of the following microbes produces a natural biopesticide?
A) Penicillium chryssogenum B) Saccharomyces cerevisiae C) Bacillus thuringiensis D) Lactobacillus buggaricus E) Thiobacillus ferroxidans
As men age, the prostate may enlarge but not become cancerous. This enlarged prostate may result in ________
A) constipation B) impotence C) difficulty with urination D) sterility