Antibiotics that block the synthesis of a cell wall would be least likely to affect cells from which organisms?
A. animals
B. archaea
C. plants
D. fungi
E. bacteria
Answer: A
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The molecule shown in the figure above is held together by ____
a. polar covalent bonds b. van der Waals forces c. ionic bonds d. hydrogen bonds e. nonpolar covalent bonds
Which of the following do anaerobic
methanogens produce?
a. carbon monoxide b. carbon dioxide c. ammonia sulfide d. methane e. hydrogen sulfide
Kudzu, an Asian vine introduced to the United States in the 1930s as a means to control erosion, is referred to as "the plant that ate the South" because it grows so fast and overtakes most plant species in its path
A recent and unusual way that some people are using to control kudzu growth is to allow goats to graze their land and eat the kudzu, roots and all. This is considered by some to be the most environment-friendly way to eliminate this invasive vine. How can we best describe the goats in this situation? A) a threatened species B) an invasive species C) a biological control agent D) an integrated pest management agent
The reverse of a dehydration synthesis reaction is a(n) ________ reaction
A) anabolic B) exchange C) hydrolytic D) endothermic E) metabolic