Transformation is the transfer of DNA from a donor to a recipient cell
A) by a bacteriophage.
B) as naked DNA in solution.
C) by cell-to-cell contact.
D) by crossing over.
E) by sexual reproduction.
B
Biology & Microbiology
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Which agent is capable of being reduced during both glycolysis and the Krebs cycle?
a. NAD+ b. FAD+ c. ADP d. NADH e. NADP+
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What is different from one DNA nucleotide to the next?
A. The base B. The sugar molecule C. The protein D. The phosphate group
Biology & Microbiology
A red-shouldered hawk chases a falcon away from a dead squirrel. This is an example of:
A) coexistence. B) interspecific competition. C) commensalism. D) mutualism.
Biology & Microbiology
Decorative plants and exotic pets often suffer from overexploitation.
Answer the following statement true (T) or false (F)
Biology & Microbiology