The injection of tuberculin into the skin of a sensitized individual elicits:

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#Question id: 12910

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

Match the following:

A. RNA analysis               i. Sexing or cell mutation sites               a. Expressed Sequence tag

B. Forensic science           ii. mRNA analysis                                     b.  Analysis of DNA from blood

C. Gene discovery              iii. DNA profiling                                       c. Active latent viral infections

D. Single-cell analysis     iv.  RT–PCR                                             d. Sex determination of unborn

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#Question id: 1125

#Section 3: Genetics, Cellular and Molecular Biology

Examples of G protein–coupled receptors include

a. rhodopsin receptor.             b. β-adrenergic receptor.

c. insulin receptor.                   d. acetylcholine receptor.

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#Question id: 15870

#Section 6: Plant, Animal and Microbial Biotechnology

 What is the advantage of plant tissue culture over animal tissue culture?

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#Question id: 5262

#Section 3: Genetics, Cellular and Molecular Biology

Which of the following characteristics is not true of a plasmid?

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#Question id: 3342

#Section 3: Genetics, Cellular and Molecular Biology

Neutral alleles are those that do not alter fitness and average reproductive success does not differ between individuals that carry one neutral allele or the other. The frequencies of these neutral alleles may change in a population by