How does the cell wall of bacteria and archaea differ?
A) Bacteria use pseudopeptidoglycan.
B) Bacteria use peptidoglycan.
C) Bacteria have a lot of diversity in the makeup of their cell walls.
D) Archaea use peptidoglycan.
E) Archaea have little diversity in the makeup of their cell walls.
Answer: B
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a. RNA molecules b. proteins c. DNA molecules d. transposable elements e. codons
The embryonic root tip is indicated by the letter ____
a. A b. B c. C d. D e. E
In most cases, the term auxin refers to ____
a. abscisic acid b. indole-3-acetic acid c. jasmonic acid d. nitric oxide e. salicylic acid
Which of the following is least likely an impact of acid rain?
a. It stops fish egg development. b. It can burn foliage. c. It releases toxins in the soil. d. It causes eutrophication. e. It can kill adult aquatic organisms.