NEED SOME HELP BIOLOGY ?’S?

Which of the following statements is NOT true?

a. Botanists have grown whole plants from cultured cells.
b. Modern crop strains are more resistant than ancient ones.
c. Researchers have introduced DNA fragments directly into cells using
bullets.
d. Plants can be engineered to produce human proteins.

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Question 67 (1.00 points)
Which of the following statements is true?

a. Goats have been used to produce CFTR, a protein used in the treatment of cystic fibrosis.
b. Scientists have actually changed mice to rats by genetic engineering.
c. Scientists tried unsuccessfully to get a bull to produce a milk protein.
d. Gene therapy has not yet been attempted in humans.

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Question 68 (1.00 points)
The goal of genetic engineering is to

a. eliminate antibiotic resistance in bacteria.
b. isolate disease-causing plasmids.
c. transfer of viral genes.
d. modify cells to correct a defect or produce a desired product.

Question 73 (1.00 points)
All of the following are techniques for studying DNA EXCEPT

a. chemical tagging.
b. laser analysis.
c. radioactive labeling.
d. microsurgery.

Transcription

a. occurs on the surface of the ribosome.
b. is the final process in the assembly of a protein.
c. occurs during the synthesis of any type of RNA from a DNA template.
d. is catalyzed by DNA polymerase.

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