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6. Multiple copies of a required piece of DNA can be produced using.....
- PCR
- DNA probes
- electrophoresis
- replica plating
7. Which of these is not a microorganism?
- arachnids
- bacteria
- prokaryotes
- archeans
8. Which term best describes how penicillin is produced?
- monoculture
- fed batch culture
- continuous culture
- batch culture
9. Gene therapy can be used to treat cystic fibrosis. Which of these statements is not true?
- Parents who are both heterozygous for cystic fibrosis cannot have a child with the disease.
- Gene therapy involves inserting the dominant gene into the cells of the lungs
- Cystic fibrosis is a diseaese where abnormally thick mucus is produced in the lungs
- Cystic fibrosis is caused by a recessive allele
10. What happens during the lag phase of a population in a closed culture?
- bacteria have stopped reproducing due to lack of enzymes
- bacteria adjust to their new conditions and start to produce new enzymes.
- bacterial cells start to die
- bacterial cells grow and divide at their maximum rate