STRAIGHTERLINE MICROBIOLOGY EXAM
SCRIPT 2026 FULL QUESTIONS AND
ACCURATE ANSWERS GRADED A+
●● Jenner.
Answer: Who is credited with developing and documenting the first
vaccination procedure against smallpox?
●● Tyndall.
Answer: Whose work on spontaneous generation first demonstrated the
existence of a very heat-resistant form of bacteria that are called
endospores?
●● Evidence supporting RNA as primary role in evolution of life.
Answer: - Some RNA molecules are catalytic
- RNA catalyzes peptide bond formation during protein synthesis
- ATP (energy currency of cell) is a ribonucleotide
- RNA can regulate gene expression
●● False.
Answer: True or False: Fungi is a protist
,●● Protein.
Answer: What does RNA convert information stored in DNA into?
●● Woese.
Answer: Who began the ribosomal RNA studies that led to the division
of prokaryotic organisms into the Bacteria and the Archaea?
●● Eukaryotes (Fungi).
Answer: A nonmotile organism composed of long threadlike structures
formed from nucleated cells that is not-photosynthetic and absorbs its
nutrients is likely classified among ________________.
●● Fluorescence Microscope.
Answer: A microscope that exposes specimens to ultraviolet, violet or
blue light and forms an image with the light emitted as a different
wavelength
●● Safranin.
Answer: The counterstain in the gram-stain
●● Purple; colorless.
Answer: After the decolorizer has been added, gram-positive organisms
are stained __________ and gram-negative organisms are stained
__________.
, ●● Decreases.
Answer: As the magnification of a series of objective lenses increases,
the working distance ____________.
●● Mycolic Acids.
Answer: Acid-fast organisms such as Mycobacterium tuberculosis
contain lipids constructed from what in their cell walls?
●● Food and water.
Answer: Fatty acid methyl ester (FAME) analysis is particularly
important in public health because in this application, microbiologists
seek to identify microbial pathogens in __________.
●● Rickettsia.
Answer: According to genome analysis, a member of the genus
_____________ is most closely related to the mitochondrion.
●● "Gold Standard" Taxonomic Methods.
Answer: - DNA-DNA hybridization (DDH)
- Melting temperature of the DNA (a reflection of the G + C content)
- Average nucleotide identity
SCRIPT 2026 FULL QUESTIONS AND
ACCURATE ANSWERS GRADED A+
●● Jenner.
Answer: Who is credited with developing and documenting the first
vaccination procedure against smallpox?
●● Tyndall.
Answer: Whose work on spontaneous generation first demonstrated the
existence of a very heat-resistant form of bacteria that are called
endospores?
●● Evidence supporting RNA as primary role in evolution of life.
Answer: - Some RNA molecules are catalytic
- RNA catalyzes peptide bond formation during protein synthesis
- ATP (energy currency of cell) is a ribonucleotide
- RNA can regulate gene expression
●● False.
Answer: True or False: Fungi is a protist
,●● Protein.
Answer: What does RNA convert information stored in DNA into?
●● Woese.
Answer: Who began the ribosomal RNA studies that led to the division
of prokaryotic organisms into the Bacteria and the Archaea?
●● Eukaryotes (Fungi).
Answer: A nonmotile organism composed of long threadlike structures
formed from nucleated cells that is not-photosynthetic and absorbs its
nutrients is likely classified among ________________.
●● Fluorescence Microscope.
Answer: A microscope that exposes specimens to ultraviolet, violet or
blue light and forms an image with the light emitted as a different
wavelength
●● Safranin.
Answer: The counterstain in the gram-stain
●● Purple; colorless.
Answer: After the decolorizer has been added, gram-positive organisms
are stained __________ and gram-negative organisms are stained
__________.
, ●● Decreases.
Answer: As the magnification of a series of objective lenses increases,
the working distance ____________.
●● Mycolic Acids.
Answer: Acid-fast organisms such as Mycobacterium tuberculosis
contain lipids constructed from what in their cell walls?
●● Food and water.
Answer: Fatty acid methyl ester (FAME) analysis is particularly
important in public health because in this application, microbiologists
seek to identify microbial pathogens in __________.
●● Rickettsia.
Answer: According to genome analysis, a member of the genus
_____________ is most closely related to the mitochondrion.
●● "Gold Standard" Taxonomic Methods.
Answer: - DNA-DNA hybridization (DDH)
- Melting temperature of the DNA (a reflection of the G + C content)
- Average nucleotide identity
