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.
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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
Which group of fishes gave rise to the amphibians?
A. Cartilaginous fishes B. Lobe-finned fishes C. Jawless fishes D. Ray-finned fishes
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.
Chromosomes are passed on to the next generation in _______
Fill in the blank(s) with the appropriate word(s).