In Figure 8.3, if enzyme A is an inducible enzyme,
A) compound C would bind to the repressor.
B) compound A would bind to the repressor.
C) compound B would bind to enzyme A.
D) compound A would react with enzyme B.
E) compound C would react with gene a.
Ans: B) compound A would bind to the repressor.
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Because so few bacteria can be grown easily in culture, but all of them contain DNA, molecular techniques like PCR and SSU rRNA are used to be able to identify and quantify microorganisms as a "census" for diversity.
Answer the following statement true (T) or false (F)
Enzyme used to position nucleotides during DNA replication
(A) DNA ligase (B) DNA polymerase (C) RNA polymerase (D) Restriction enzyme (E) Reverse transcriptase
Which of the following is NOT found or observed to occur in both mitochondria and prokaryotes?
A) circular chromosome B) 70S ribosomes C) cell wall D) binary fission E) ATP-generating mechanism
The ultimate source of energy for most life on Earth is:
A) oxygen. B) the sun. C) the metabolic processes found in all living things. D) heat from the Earth.