How many electrons are involved in a single covalent bond?
A) one
B) two
C) three
D) four
B
Biology & Microbiology
You might also like to view...
Wanting to eat a piece of chocolate cake but not wanting to grain weight is an example of an ______________ type of conflict?
A) an approach-approach B) and avoidance-avoidance C) and approach-avoidance D) acceptance-approach
Biology & Microbiology
Stacks of cisternae in the Golgi apparatus are referred to as
A. Lamellisomes. B. dictyosomes. C. golgisomes. D. stigmata.
Biology & Microbiology
The cofactors required for enzyme activity often are
a. allosteric inhibitors. b. allosteric activators. c. charged amino acids. d. large, complex organic molecules. e. competitive inhibitors.
Biology & Microbiology
In humans ventilation is powered by
a. the diaphragm only. b. muscles attached to the ribs only. c. the lungs themselves. d. the diaphragm and rib muscles. e. the heart.
Biology & Microbiology