Questions & Answers (Grade A+)
Nori used as a sushi wrap is produced by growing Porphyra, a
________, in tanks. -
correct answer ✅red algae
The electrophoretic mobility shift assay (EMSA) is utilized to
monitor molecular interactions between... -
correct answer ✅DNA and proteins
In many bacteria, the electron carrier ______ is used for
biosynthesis, wereas ______ feeds the electron transport system. -
correct answer ✅NADPH; NADH
How many turns of the Calvin cycle does it take to provide one
molecule of glyceraldehyde-3-phosphate into the biosynthesis of
glucose? -
correct answer ✅3
Which of the following is NOT a terminal electron acceptor in
anaerobic respirations? -
correct answer ✅hydrogen sulfide
,MBIO 3401 Exam Final zhang ttu
Questions & Answers (Grade A+)
The recipient of Hfr conjugation _________ becomes an F+ or Hfr
cell. -
correct answer ✅rarely
The difference between generalized and specialized transduction
is... -
correct answer ✅that in generalized transduction, any DNA can be
moved, but with specialized transduction, only certain DNA near
the phage site can be moved.
Mold ripening refers to the secondary _______ stage of cheese
production. -
correct answer ✅fermentation
A bacterium capable of producing methane and water from carbon
dioxide and hydrogen performs a type of metabolism called
_______ and, given its sources of electrons, it is a _________. -
correct answer ✅methanogenesis; chemolithotroph
Chemoorganotrophy is a term describing microorganisms that... -
correct answer ✅use organic compounds as a source of electrons
and obtain energy through fermentations or respiration
,MBIO 3401 Exam Final zhang ttu
Questions & Answers (Grade A+)
What kind of mutation is produced by transposable elements? -
correct answer ✅insertion
_______ prevent transcription, whereas ________ stimulates
transcription. -
correct answer ✅Repressors; activators
Hydrolysis of ATP with the release of pyrophosphate is the driving
force of which of the following reaction(s)? -
correct answer ✅DNA and RNA synthesis
A derivative F plasmid that contains host DNA is called an... -
correct answer ✅F' plasmid
How does bacteriorhodopsin couple photoexcitation with proton
pumping? -
correct answer ✅Light-induced conformational changes of retinal
cause the protein to extrude one proton.
Electron transport systems are embedded in what membrane
system, among others? -
correct answer ✅mitochondrial inner membrane
, MBIO 3401 Exam Final zhang ttu
Questions & Answers (Grade A+)
thylakoids
inner membrane of Gram-negative bacteria
Which of the following is the most common cause of food-borne
deaths in the United States? -
correct answer ✅Salmonella
Which form of control is the most rapid? -
correct answer ✅translational control
Most virus particles produced from an influenza virus infection
are... -
correct answer ✅defective
A loss-of-function mutation could NOT be caused by... -
correct answer ✅silent mutation
HIV-infected cells can fuse with a neighboring cell, resulting in the
formation of a giant multinucleate cell called a(n)... -
correct answer ✅synctyium