Biochemistry Objective Questions { Recombinant DNA Technology }

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1. Which of these restriction enzymes produce blunt ends?

2. The RP13 gene of chromosome 17 codes for a protein __________ .

A. involved in glucose transport

B. that is a component of hair and nails

C. involved in eye development

D. involved in the determination of personality

3. Isoschizomers recognize

A. same recognition sequence but different recognition site

B. same recognition site and recognition sequence

C. same recognition site and different recognition sequence

D. different recognition site and different recognition sequence

4. Restriction enzymes are named for

A. the person who discovered

B. the bacterium they are derived from

C. the viral DNA that they attack

D. none of the above

5. Which of these genes codes for a protein that plays a role in white blood cell function?

6. When populations are small, gene frequencies can change from generation to generation and some alleles may become fixed in a population. This is called __________ .

A. assortative mating

D. genetic drift

7. Which of the following is correct in terms of determination of location of genetic traits?

A. Known protein coding sequences are too far apart to allow linkage determination for most new genes

B. Restriction sites allow DNAs to be digested

C. Protein-coding genes are always associated with a restriction pattern

D. None of the above

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