Which is incorrect about inducible operons?
Which is incorrect about inducible operons?
A) Often encode enzymes for catabolic pathways
B) Include the lac operon
C) Are normally turned off
D) Have genes turned off by a buildup of end product
E) Are turned on by the substrate of the enzyme
D) Have genes turned off by a buildup of end product
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Approximately 4 billion years ago Archaea and Bacteria diverged as being distinct from each other
Indicate whether the statement is true or false.
The result of migration is to _____ genetic differences among populations
A. reduce B. increase
Which of the following is known for having an alternation of generations life cycle?
a. humans b. plants c. fungi d. bacteria
According to the second law of thermodynamics, energy cannot be created nor destroyed
__________________ Indicate whether the statement is true or false.