Serological testing relies upon
A. a very high viral or bacterial load in the patient.
B. a patient who is not immunocompromised.
C. the specificity of the Fc region of antibodies.
D. the specificity of the variable regions of antibodies.
Answer: D
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A cross between two individuals identically heterozygous for one gene is called ______.
A. dihybrid cross B. monohybrid cross C. testcross D. Punnett square E. hybridization
Tandem clusters allow
A. production of multigene families in a small time frame, especially during early development. B. production of segmental duplications that are impossible with single-copy genes. C. production of several transposable elements necessary for rRNA acquisition. D. production of a huge amount of product in a very short time period.
Which pigment participates directly in the light reactions by absorbing mainly blue-violet and red light?
A. chlorophyll a B. carotene C. chlorophyll b D. lycopene
A base pair is a unit of DNA that consists of:
A) one nucleotide. B) two identical chromosomes. C) one sugar bonded to one phosphate. D) two nucleotides, one on each complementary strand of a DNA molecule. E) a single chromosome.