chapter20 (2)

chapter20 (2) - Multiple Choice Questions for Chapter 21...

Info iconThis preview shows pages 1–4. Sign up to view the full content.

View Full Document Right Arrow Icon
Multiple Choice Questions for Chapter 21 Multiple Choice Identify the letter of the choice that best completes the statement or answers the question. ____ 1. Recombinant DNA a. has occurred in sexually reproducing forms. b. can be produced with new biological techniques. c. occurs with viral infections of various forms of life. d. has produced changes that resulted in evolution. e. all of these ____ 2. New genetic combinations result from a. crossing over. b. sexual reproduction. c. mutations. d. exchange of genes between different species. e. all of these ____ 3. Recombinant DNA technology a. uses bacteria to make copies of the desired product. b. splices DNAs together. c. is possible only between closely related species. d. uses bacteria to make copies of the desired product and splices DNAs togeth- er. e. uses bacteria to make copies of the desired product and splices DNAs together, but is possible only between closely related species. ____ 4. Small circular molecules of DNA in bacteria are called a. plasmids. b. desmids. c. pili. d. F particles.
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
e. transferrins. ____ 5. A tangelo is a combination a. orange and lemon. b. orange and tangerine. c. navel orange and tangerine. d. tangerine and cantaloupe. e. tangerine and grapefruit. ____ 6. Plasmids a. are self-reproducing circular molecules of DNA. b. are sites for inserting genes for amplification. c. may be transferred between different species of bacteria. d. may confer the ability to donate genetic material when bacteria conjugate. e. all of these ____ 7. Enzymes used to cut DNA molecules in recombinant DNA research are a. ligases. b. restriction enzymes. c. transcriptases. d. DNA polymerases. e. replicases.
Background image of page 2
____ 8. The fragments of chromosomes split by restriction enzymes a. have fused ends. b. have specific sequences of nucleotides. c. have sticky ends. d.
Background image of page 3

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 4
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 09/20/2011 for the course MYTH 2001 taught by Professor Online during the Spring '11 term at Temple.

Page1 / 11

chapter20 (2) - Multiple Choice Questions for Chapter 21...

This preview shows document pages 1 - 4. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online