Which one of the following forms of contraception is the most effective in preventing pregnancy?
A) condom
B) rhythm method
C) diaphragm
D) tubal ligation
E) cervical cap
D
Biology & Microbiology
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Plasma is a serum without the clotting factors
a) true b) false
Biology & Microbiology
Neurons that carry messages from sensory receptors to the CNS are
(a) sensory. (b) motor. (c) interneurons. (d) both a and b.
Biology & Microbiology
How many distinct evolutionary branches exist in the domain Archaea, as revealed by genome sequencing studies?
a. two b. three c. four d. five e. at least six
Biology & Microbiology
The recessive phenotype of a trait occurs in 16% of a population. What is the frequency of the dominant allele?
A. 0.48 B. 0.60 C. 0.40 D. 0.36 E. 0.16
Biology & Microbiology