Period+5+gel+electrophoresis+and+restriction+enzymes+questions+29-35

1. Restriction Enzymes are produced by **//(ANS: C )//** A. Viral DNA B. Skin Cells C. Bacteria D.Neurons

2.What determins the distance DNA fragments travel **//(ANS: D )//** A. Shape B Weight C Temperature D Size

3.What are restriction Enzymes **//(ANS: MOLECULAR SCISSORS C )//** A. Proteins B. Vitamins C. Scissors D.Minerals

4.Why do different DNA get cut into different sizes with the same Restriction Enzymes **//(ANS: A )//** A. different DNA sequences B. Length of time exposed to restriction enzymes C. Number of enzymes D.Size of DNA

5.In what direction do DNA fragments travel **//(ANS: B )//** A. North B. Towards Positive C. Towards Negative D. It is random

6. What helps conduct the electricity in electropheresis **//(ANS: C )//** A. Cold Water B. Pourous Gel C. The Buffer solution D. A Plastic Box

7. What is electropheresis used for **//(ANS: C )//** A. Diagnosing diseases B. Finding cures for cancer c. Determining if different DNA samples are similar d.Protection against viruses