biotechnology

Which are most closely related to biotechnology?

• medicine and agriculture

• construction and engineering

• water treatment and electricity generation

• communication and information technology

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Bacteria cells can be used to produce insulin for the treatment of diabetes in humans. Which best explains how the bacteria cells are able to produce insulin for humans?

• The bacteria have been grown on a petri dish containing insulin.

• The bacteria have been genetically engineered to contain the DNA needed to produce insulin.

• The bacteria have been exposed to radioactivity to create mutant strains capable of producing insulin.

• The bacteria have been grown on a petri dish containing sugar; the bacteria produce insulin in response to the sugar.

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An application of using DNA technology to help environmental scientists would be ___.

• use PCR to analyze DNA at a crime scene
• create a tobacco plant that glows in the dark
• clone the gene for human growth hormone to treat pituitary dwarfism
• make transgenic bacteria that can be used to clean up oil spills more quickly than do the natural bacteria

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Recombinant DNA are currently used to produce____.

• clothing dye, cheese, and laundry products
• human antibiotics and vaccines
• crops that taste better and stay fresh longer
• all of these

A ____ is a small ring of DNA found in a bacterial cell.

• virus
• plasmid
• gene bullet
• PCR

___________ changes the genetic material of a living organism.

• Crossbreeding 
• Genetic Modification 
• Bioremediation
• Genome

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What biotechnology allows a researcher to make thousands of copies of a DNA strand?

• Cloning
• PCR
• gene therapy
• gel electrophoresis

After finding the location of a gene, how can a scientist take it out of a cell?

• Using a microscope
• Using PCR
• Using scissors
• Using enzymes

Restriction Enzymes are isolated from :

• a).Protozoa

• b). Bacteria

• c).Virus

• d).Fungi

Restriction Enzymes were primarily used as :

• a).Defence by Protozoa against antibiotics

• b).Tool by Virus to cleave Bacterial genome

• c)Defence by Bacteria against bacteriophages viruses

• d).All of the above