Some bacteria produce the enzyme Beta-lactamase, which results in resistance to certain antibiotics
such as penicillin. Since these same organisms reproduce asexually, they produce offspring that ____.
a. can be killed by penicillin
b. have an abnormally high rate of mutation
c. are resistant to penicillin
d. have variable numbers of chromosomes
e. can make penicillin
C
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Enzyme 1 converts substrate A into product B. Is this an example of a metabolic pathway?
A. Yes. This is a metabolic pathway that includes feedback inhibition. B. No. This only describes one chemical reaction. A metabolic pathway includes multiple chemical reactions. C. Yes. This is a simple metabolic pathway. D. No. A metabolic pathway must include an inhibitory step.
The majority of control elements for regulation of cellular processes in eukaryotes and archaea occurs at the level of ________ initiation.
What will be an ideal response?
Individuals with a genetic variant in the promoter region of the MAOA gene display violent behavior, independent of environmental factors
a. True b. False Indicate whether the statement is true or false
You work for a company that manufactures food products. A new "wonder food" is being distributed by a rival company. The researchers in your company determine that the "wonder food" contains only carbon, oxygen, and hydrogen. At this point, your
researchers can say with certainty that the food A) includes proteins. B) could only be made of triglycerides. C) could only be made of carbohydrates. D) does not include proteins or nucleic acids.