B IO-205 Micr obiology Midter m Exam
Question s an d an sw er s w ith accur ate
r ation ales(PASSED)
Fungi are important because of their ability to - answer help many plants grow,
cause disease in plants, make certain foods and beverages, and spoil food.
All fungi have ____ in their cell walls. - answer chitin
The mechanism by which genes are transferred into bacteria via viruses is called -
answer transduction
The source of variation among microorganisms that were once identical is -
answer mutation
Intercalating agents - answer act during DNA synthesis and often result in frame
shift mutations.
Gene transfer that requires cell-to-cell contact is - answer conjugation
Segments of DNA capable of moving from one area in the DNA to another are
called - answer transposons
A clever technique that streamlines the identification of auxotrophic mutants is -
answer replica plating
,Thymine dimers are dealt with by - answer photoreactivation repair and excision
repair
Irradiation of cells with ultraviolet light may cause - answer thymine dimers
The group of Fungi in which sexual reproduction has not been observed is -
answer Deuteromycetes
A tangle of fungal hyphae is generally known as a - answer mycelium
Which technique(s) is/are used to help identify and classify bacteria? - answer
Microscopic examination, culture characteristics, biochemical tests, and nucleic
acid analysis.
Lichens may be an association of - answer algae and fungus
The terms yeast, mold, and mushrooms refers to fungal - answer morphology
Gram positive encapsulated diplococci found in sputum is indicative of - answer
Streptococcus pneumoniae
Fungi are often capable of locomotion through the use of flagella. - answer False
, Mycorrhizae - answer are vital for the survival of many plants and increase the
absorptive ability of roots
All known species of bacteria are described in Bergey's Manual of Systematic
Bacteriology. - answer True
Chemical mutagens often act by altering the - answer hydrogen bonding
properties of the nitrogen bases
Fungi are classified according to their - answer method of sexual reproduction
Most fungi are - answer aerobic or facultatively anaerobic
Modern approaches to evolutionary taxonomy often involve - answer comparison
of DNA and RNA
X-rays - answer cause single and double stranded breaks
Which strand would UV radiation have the most effect? - answer AATTAGTTC
The return of carbon dioxide to the atmosphere and nitrogen to the soil is due to
the action of - answer fungi and bacteria
Intracellular Gram negative diplococci found in a urethral sample from a male is
indicative of - answer Neisseria gonorrhea
Question s an d an sw er s w ith accur ate
r ation ales(PASSED)
Fungi are important because of their ability to - answer help many plants grow,
cause disease in plants, make certain foods and beverages, and spoil food.
All fungi have ____ in their cell walls. - answer chitin
The mechanism by which genes are transferred into bacteria via viruses is called -
answer transduction
The source of variation among microorganisms that were once identical is -
answer mutation
Intercalating agents - answer act during DNA synthesis and often result in frame
shift mutations.
Gene transfer that requires cell-to-cell contact is - answer conjugation
Segments of DNA capable of moving from one area in the DNA to another are
called - answer transposons
A clever technique that streamlines the identification of auxotrophic mutants is -
answer replica plating
,Thymine dimers are dealt with by - answer photoreactivation repair and excision
repair
Irradiation of cells with ultraviolet light may cause - answer thymine dimers
The group of Fungi in which sexual reproduction has not been observed is -
answer Deuteromycetes
A tangle of fungal hyphae is generally known as a - answer mycelium
Which technique(s) is/are used to help identify and classify bacteria? - answer
Microscopic examination, culture characteristics, biochemical tests, and nucleic
acid analysis.
Lichens may be an association of - answer algae and fungus
The terms yeast, mold, and mushrooms refers to fungal - answer morphology
Gram positive encapsulated diplococci found in sputum is indicative of - answer
Streptococcus pneumoniae
Fungi are often capable of locomotion through the use of flagella. - answer False
, Mycorrhizae - answer are vital for the survival of many plants and increase the
absorptive ability of roots
All known species of bacteria are described in Bergey's Manual of Systematic
Bacteriology. - answer True
Chemical mutagens often act by altering the - answer hydrogen bonding
properties of the nitrogen bases
Fungi are classified according to their - answer method of sexual reproduction
Most fungi are - answer aerobic or facultatively anaerobic
Modern approaches to evolutionary taxonomy often involve - answer comparison
of DNA and RNA
X-rays - answer cause single and double stranded breaks
Which strand would UV radiation have the most effect? - answer AATTAGTTC
The return of carbon dioxide to the atmosphere and nitrogen to the soil is due to
the action of - answer fungi and bacteria
Intracellular Gram negative diplococci found in a urethral sample from a male is
indicative of - answer Neisseria gonorrhea
