MCB 100 Unit 1 iClicker Questions and Correct Answers + Microbiology Exam 1 x2
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Course
MCB 100
Institution
MCB 100
Which of the following microorganisms can be used as a biological insecticide? Bacillus thuringiensis
Considering industrial products, which of the following is not a primary microbial metabolite? antibiotic produced by Penicillium notum - Antibiotics are produced in the stationary phase ie second...
MCB 100 Unit 1 iClicker Questions and
Correct Answers + Microbiology Exam 1
x2
Which of the following microorganisms can be used as a biological insecticide?
✅Bacillus thuringiensis
Considering industrial products, which of the following is not a primary microbial
metabolite? ✅antibiotic produced by Penicillium notum
- Antibiotics are produced in the stationary phase
ie secondary metabolites
Which of the following pairs of industrial microbial products and their uses is
MISMATCHED?
citric acid; antioxidant in food
phenylalanine; the sweetener aspartame
gluconic acid; release of cellulose from flax to make linen
indigo; cloth dye
streptokinase; dissolving blood clots ✅gluconic acid; release of cellulose from flax to
make linen
Gluconic acid is actually used for metal, leather, and food preservative
Which of these microbial products is needed to produce "gasohol"? ✅ethanol (Gasohol
is like gasoline)
Which of the following is a microbial product used to reduce crop damage? ✅both Bt
toxin and ice-minus
Microbial enzymes are used ✅In spot removals
Which of the following is an application of proteases? ✅meat tenderizer
Streptokinase is useful for which of the following? ✅dissolving blood clots
Amino acid and vitamin supplements are prepared from extracts of microbial cultures.
✅True
The presence of which of the following can substitute for nitrogen fertilizers in legume
crops? ✅Rhizobium, associated with the roots of legume plants
, Baking bread, creating a genetically modified vegetable, using a microbe to make
human insulin . . . Which of these is NOT considered "biotechnology"?
Creating a GMO vegetable
Baking bread
Using a microbe to make human insulin ✅All of them are biotechnology
Which of the following would be a reason to use bacteria or yeast to synthesize human
proteins through genetic engineering? ✅Large quantities of the protein can be made
easily - the only major distinction
__________ can be used to advise prospective parents about their risk of transmitting
genetic disorders, such as Huntington's disease, to their offspring. ✅Gene Screening
Which of the following would not be a potential medical application of recombinant DNA
technology: gene library, genetic mapping, gene therapy, xenotransplantaton?
Gene library
Xenotransplantation
Gene therapy
Genetic mapping ✅A Gene Library because its not technically part of medicine
Subunit vaccines are safer than traditional vaccines because they ✅are acellular and
do not pose a risk for causing the disease.
Transgenic organisms ✅contain genes from other organisms
Which of the following microbes produces a protein that kills a variety of insect pests?
✅Bacillus thuringiensis
Replacing a patient's defective gene with a fragment containing a functional gene is
✅Gene therapy
What new technology increases the precision of gene editing, and may make gene
therapy easier? ✅CRISPR-Cas9
Which of the following is generally NOT considered an ethical issue regarding
recombinant DNA technology?
unforeseen impact on the environment
screening of humans for genes that predispose them to disease
the modification of crop plants
answering basic research questions
the modification of animals to produce pharmaceuticals for humans ✅Answering basic
science questions
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