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- 1. Multiple ChoiceDNA is known to have a _______ charge.positivenegativeneutrallarge
- 2. Multiple ChoiceRestriction enzymes are also commonly known as biological scissors.truefalse
- 3. Multiple ChoiceWhat is the circular piece of DNA found in bacteria called?homologous chromosomesister chromatidplasmidarabinose
- 4. Multiple ChoiceWhat is recombinant DNA?Adding DNA from one organism into the DNA of anotherDNA which has been changed over generations by natural selectionDNA that causes genetic disordersDNA that has been sequenced
- 5. Multiple Choice
Scientists can bioengineer skin in a laboratory to treat severe burns and other types of skin injuries. This bioengineered tissue is grown from living cells. The cellular process that enables the cells to grow and develop into tissue is
conjugation
meiosis
budding
mitosis
- 6. Multiple ChoiceRestriction enzymes are also commonly known as biological scissors.truefalse
- 7. Multiple Choice
The first mammal successfully cloned produced ___.
Marvin the mouse
Ralph the rat
Dolly the sheep
- 8. Multiple Choice
What is another name for the technique used in cloning mammals?
stem cell nuclear transfer
somatic cell nuclear transfer
germ line nuclear transfer
- 9. Multiple Choice
What is the method used most often by scientists to separate fragments of DNA?
chromatography
high speed centrifugation
gel electrophoresis
vacuum filtration
- 10. Multiple Choice
In gel electrophoresis, DNA is separated in a mixture based on the ___ of the fragments.
size
charge
polarity
- 11. Multiple Choice
A bacterial ___ is often used as a vector in recombinant DNA technology.
cell
plasmid
chromosome
pillus
- 12. Multiple Choice
Someone has a bacterial infection and is prescribed antibiotics. They take the first 5 days of a 7 day script, and feel much better. Which of the following should they choose to do?
Continue to take the antibiotics, as there may still be some lingering in their body that are mildly resistant to the medicine
Cease taking the antibiotics immediately, as taking antibiotics when you're feeling well can cause antibiotic resistance
Continue taking the medication but only take half doses, as it is no longer needed
Save the remaining antibiotics for later so that they can be used for any future bacterial infections.
- 13. Multiple Choice
A patient comes in to see a doctor with rhinovirus (a cold). They ask for antibiotics to help treat it. Should the doctor prescribe them, and why or why not?
Yes, because this will reduce the severity of the cold.
Yes, because this will limit the chance that they pass their virus onto someone else.
No, because they are likely to recover regardless of the medicine and antibiotics should be saved for serious infections
No, because antibiotics don't work on viral infections.
- Answer choicesTagsAnswer choicesTags