By the early 1950s, many biologists realized that the key to understanding inheritance lay in the structure of
A) protein.
B) chromosomes.
C) ribosomes.
D) DNA.
E) enzymes.
D
Biology & Microbiology
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Which of the following is not needed for DNA replication?
A. ribosomes B. DNA C. nucleotides D. enzymes E. None of these are needed.
Biology & Microbiology
DNA is protected from restriction enzymes by being
A. sequestered in a lysosome. B. turned into RNA. C. methylated. D. made into double-stranded RNA.
Biology & Microbiology
The dynamics of an ecosystem depends on two
main processes:
a. the cycling of energy and the unidirectional flow of nutrients. b. the unidirectional flow of energy and the cycling of nutrients. c. the multidirectional flow of both energy and nutrients. d. the unidirectional flow of both energy and nutrients. e. the cycling of both energy and nutrients.
Biology & Microbiology
Lactic Acid and Cavities
What will be an ideal response?
Biology & Microbiology