Microbes and Society: Chapter 13 Practice Quiz

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Chapter 13 Biotechnology and Industry: Microbes at Work

Please read each question and select your answer from the choices provided. You must complete all of the questions in order to view your results. At the end of each exam, you have the option to e-mail your results to your instructor. (Kris.. do you want me to turn on this option?)

1: Which of the following pharmaceutical products is not produced by genetically modified E. coli cells?
	A: erythropoietin
	B: insulin
	C: Clotting Factor VIII
	D: interferon

2: An antisense molecule interferes with protein synthesis by :
	A: providing a bogus mRNA for the ribosome to bind to
	B: combining with and destroying its complementary mRNA molecule
	C: unraveling proteins as soon as they’re assembled
	D: binding to amino acids, making them unavailable for use in proteins

3: Public health agencies currently lack any vaccines against:
	A: fungi
	B: protozoa
	C: bacteria
	D: viruses

4: A synthetic fragment of single stranded DNA that signals when it has located complementary DNA in cells is called:
	A: a DNA vaccine
	B: a signal sequence
	C: DNA fingerprinting
	D: a gene probe

5: A viral load test detects the:
	A: provirus of HIV in infected cells
	B: total amount of virus in the infected host
	C: number of viruses being released by each infected cell
	D: amount of bacteriophage being produced by E. coli cells

6: The enzyme used to synthesize a molecule of DNA from mRNA is:
	A: DNA polymerase
	B: reverse transcriptase
	C: invertase
	D: endonuclease

7: Which of the following is not an industrial product made by the fungus Aspergillus niger?
	A: galactosidase
	B: citric acid
	C: gluconic acid
	D: lysine

8: Microbially produced streptokinase is used to:
	A: remove spots from laundry products
	B: dissolve clots for patients with coronary blockages
	C: clarify fruit juice
	D: breakdown starch molecules into smaller sugars

9: Plant hormones produced by fungi that hasten seed germination and flowering are known as:
	A: steroids
	B: pectinases
	C: gibberellins
	D: tissue plasminogen activators

10: DNA fingerprinting is based on development of a unique pattern from:
	A: signal sequences
	B: variable-number tandem repeats
	C: the polymerase chain reaction
	D: vectors

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