When electrons in a covalent bond are shared equally, the molecule is said to be 

A. polar.
B. nonpolar.
C. lopsided.
D. unable to form hydrogen bonds.


B. nonpolar.

Biology & Microbiology

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Which group of fishes gave rise to the amphibians?

A. Cartilaginous fishes B. Lobe-finned fishes C. Jawless fishes D. Ray-finned fishes

Biology & Microbiology

In humans, the diaphragm divides the coelom into the ________ cavity above and the ________ below

a. upper thoracic / abdominal and pelvic cavities b. cranial / upper thoracic cavity c. spinal / abdominal cavity d. abdominal / upper thoracic and pelvic cavities

Biology & Microbiology

Answer the following questions true (T) or false (F)

1. The genome of all DNA animal viruses is replicated in the nucleus of the cell. 2. Bacteriophage release is a gradual process in which small numbers are released at a time. 3. Bovine spongiform encephalopathy is an example of a prion disease.

Biology & Microbiology

Chromosomes are passed on to the next generation in _______

Fill in the blank(s) with the appropriate word(s).

Biology & Microbiology