StraighterLine BIO250 Microbiology Final |
Exam Questions & Answers | Study Pack |
100% Accurate
• What microbial process was responsible for changing earths atmosphere from one
without oxygen to one with oxygen? -✓✓Oxygenic photosynthesis
• In the nitrogen cycle, which of the following phases involves the release of nitrogen as
N2? -✓✓Denitrification
• In the secondary phase of wastewater treatment, why is air injected into the sludge as
it is stirred and recirculated? -✓✓The bioremediators need oxygen
• Which of the following microorganisms is used to make yogurt? -✓✓Lactobacillus
bulgaricus
• ATP is a -✓✓Nucleotide that releases and stores energy in the cell
• A viral capsid is composed of -✓✓proteins
• which of these are NOT considered a living organism? -✓✓Viruses
• which of the following describes the order in which different types of RNA are involved
in translation? -✓✓Messenger RNA (mRNA), transfer RNA (tRNA), Ribosomal RNA
(rRNA)
• what is the bacterial identification technique that, when positive, results in the
bacterium staining two contrasting colors? -✓✓Gram staining
• Which of the following is found In some, but not all groups of eukaryotic
microorganisms? -✓✓cell wall
• In which instance would a researcher need to use Bergey's manual of systemic
bacteriology instead of Bergey's manual of determinative bacteriology? -✓✓to
investigate genetic history of bacterial species
• which of the following structures is found in gram-negative bacteria but is absent from
gram-positive bacteria? -✓✓outer lipid membrane
• which type of archaea is able to survive in extremely high concentrations of salt? -
✓✓halophiles
Exam Questions & Answers | Study Pack |
100% Accurate
• What microbial process was responsible for changing earths atmosphere from one
without oxygen to one with oxygen? -✓✓Oxygenic photosynthesis
• In the nitrogen cycle, which of the following phases involves the release of nitrogen as
N2? -✓✓Denitrification
• In the secondary phase of wastewater treatment, why is air injected into the sludge as
it is stirred and recirculated? -✓✓The bioremediators need oxygen
• Which of the following microorganisms is used to make yogurt? -✓✓Lactobacillus
bulgaricus
• ATP is a -✓✓Nucleotide that releases and stores energy in the cell
• A viral capsid is composed of -✓✓proteins
• which of these are NOT considered a living organism? -✓✓Viruses
• which of the following describes the order in which different types of RNA are involved
in translation? -✓✓Messenger RNA (mRNA), transfer RNA (tRNA), Ribosomal RNA
(rRNA)
• what is the bacterial identification technique that, when positive, results in the
bacterium staining two contrasting colors? -✓✓Gram staining
• Which of the following is found In some, but not all groups of eukaryotic
microorganisms? -✓✓cell wall
• In which instance would a researcher need to use Bergey's manual of systemic
bacteriology instead of Bergey's manual of determinative bacteriology? -✓✓to
investigate genetic history of bacterial species
• which of the following structures is found in gram-negative bacteria but is absent from
gram-positive bacteria? -✓✓outer lipid membrane
• which type of archaea is able to survive in extremely high concentrations of salt? -
✓✓halophiles
