Aerobes use ____ as the final electron acceptor
at the end of an electron transport chain.
a. hydrogen
b. carbon
c. oxygen
d. H2O
e. NAD+
C
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Which of the following is not an example of goods and services provided by the environment?
A. Raw materials for goods we use every day, such as wood B. The control of erosion C. Water treatment D. All of the above are examples of goods and services provided by the environment.
Genital herpes is a sexually transmitted disease caused by a ________.
A. bacteria B. fungus C. protist D. virus
For six molecules of carbon dioxide fixed in
the light-independent reaction, how many molecules of PGA are produced?
a. 2 b. 4 c. 6 d. 12 e. 18
The order of the structural genes in the lac operon is
A) 5'-lacY-lacZ-lacA-3'. B) 3'-lacZ-lacY-lacA-5'. C) 5'-lacZ-lacY-lacA-3'. D) 3'-lacY-lacA-lacZ-5'. E) 5'-lacA-lacY-lacZ-3'.