BIO-205 Microbiology Midterm Exam Questions and answers with accurate rationales(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
, BIO-205 Microbiology Midterm Exam Questions and answers with accurate rationales(PASSED).
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
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
, BIO-205 Microbiology Midterm Exam Questions and answers with accurate rationales(PASSED).
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
