GCD Exam 3 Questions with 100% Pass

GCD Exam 3 Questions with 100% Pass Which of the following may be used as a vector in a gene-cloning experiment? a) mRNA b) Plasmid c) Virus d) c & d - Answer-d The restriction enzymes used in gene-cloning experiments ___________, which generates sticky ends that can _________. a. cut the DNA, enter bacterial cells b. cut the DNA, hydrogen bond with complementary sticky ends c. methylate DNA, enter bacterial cells d. methylate DNA, hydrogen bond with complementary sticky ends - Answer-b Which of the following is the proper order of steps in a gene-cloning experiment involving vectors? 1. Add DNA ligase 2. Incubate the chromosomal DNA and the vector DNA with a restriction enzyme. 3. Introduce the DNA into living cells 4. Mix the chromosomal DNA a. 1,2,3,4 b. 2,3,1,4 c. 2,4,1,3 d. 1,2,4,3 - Answer-c the function of reverse transcriptase is to: a. copy RNA into DNA b. copy DNA into RNA c. translate RNA into proteins d. translate DNA into protein - Answer-a