bloodBob Lisa Quiz 11: DNA and Biotechnology John Sue Questions 1.8 are worth 1

Question

bloodBob Lisa Quiz 11: DNA and Biotechnology John Sue Questions 1.8 are worth 1 point each For question 1-3 below, use the diagram of a gel electrophoresis of DNA samples from several individuals (one sample per lane of the gel) shown to the right found at a crime scene. 1. Which individual could have been the person whose blood made the blood stain at the crime scene? a. Sue b. John c. Lisa d. Bob e. None of them 2. Why did you choose the individual from question #1? a. The DNA fingerprints match b. The individual had the same number of bands, but in different locations on the gel c. Only the blood stain and the individual had RFLPs in their samples d. There was no match. Restriction enzymes, found in cell, have an original function in the cell. biologists have learned this function and now use it in many laboratory settings, including solving crimes involving murder. What is the original function of a restriction enzyme in a cell? a. To degrade RNA into nucleotides by breaking hydrogen bonds b. To begin the process of Transcription and Translation However, molecular 3. c. To restrict the invasion of foreign DNA by cutting it up into tiny pieces d. To lyse white blood cells 4. In what orientation can the enzyme DNA polymerase add a DNA monomer to an existing DNA molecule? a. Added to the 3' carbon b. Added to the 5'carbon c. Added to the nitrogenous base d. Added to the phosphate group

Explanation / Answer

1. B

2. A

3. C

4. A

5. A

6 b

7 e

8. B

9. Smaller ones travel fast since their molecular mass is less

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