24) Your team recently discovered a new species of microbe living in the
Bonneville Salt Flats of Utah. The single-celled organism lacks a nucleus, and its
cell walls are not composed of peptidoglycan. In which of the following domains
would you classify this unique organism?
a. Bacteria
b. Archaea
c. Eukarya
d. There isn’t enough information to classify this organism
Give this one a try later!
b. Archaea
25. An example of vertical transmission of infectious agents is
a) Staphylococcus spp. gaining antibiotic resistance genes through conjugation.
b) an agent transferred from mother to child in utero.
c) an infectious ameba obtained from a water sample.
,d) influenza being passed by a sneeze.
e) hepatitis being transmitted by an infected needle stick
Give this one a try later!
b) an agent transferred from mother to child in utero.
24. The small segment of antigen that is capable of eliciting an immune response is
called a(n)
a) hapten.
b) clonotope.
c) aggretope.
d) epitope.
e) naïve antigen.
Give this one a try later!
d) epitope.
____ 8. Which of the following pathways and products are mismatched?
a. Embden-Meyerhof-Parnas (Glycolysis) pathway—ATP and NADPH
b. Pentose phosphate pathway—ATP and NADPH
c. Bacterial tricarboxylic acid cycle—NADH, FADH2 and ATP
d. All of the above are correct
Give this one a try later!
a. Embden-Meyerhof-Parnas (Glycolysis) pathway—ATP and NADPH
,____ 7. Which of the following choices is characteristic of organisms performing
fermentation
a. They use an ETS
b. They consume large quantities of substrate and excrete large quantities of products
c. They consume small quantities of substrate and excrete small quantities of products
d. Fermentation is unique to bacteria
e. None of the above choices are characteristic of fermenting organisms
Give this one a try later!
b. They consume large quantities of substrate and excrete large
quantities of products
Which of the following is correct regarding fermentation?
a) It consists of partial breakdown of organic molecules without an electron transport
system.
b) In fermentative reactions, electrons from organic substrates are put back onto
organic products.
c) It occurs in the absence of oxygen.
d) It occurs in the absence of any suitable Terminal Electron Acceptors
e) All of the above are correct.
Give this one a try later!
e) All of the above are correct.
22) All of the following are bacterial phyla except:
a. Planctomycetes. b. Firmicutes.
c. Spirochetes. d. Cyanobacteria.
e. Lokiarchaeota.
, Give this one a try later!
e. Lokiarchaeota.
24. Multicellular life emerged on Earth during the:
a) Archaeon eon
b) Proterozoic eon
c) Hadean eon
d) Phanerozoic eon
e) Jurassic eon
Give this one a try later!
b) Proterozoic eon
18) In bacteriophage T4, the DNA genome is contained in the head, and binding to
the host is facilitated by attachment of the
a. capsid.
b. neck.
c. tail fibers.
d. envelope.
e. tegument.
Give this one a try later!
c. tail fibers.
A bacterium capable of producing methane and water from carbon dioxide and
hydrogen performs a type of metabolism called ____________ and, given its sources
Bonneville Salt Flats of Utah. The single-celled organism lacks a nucleus, and its
cell walls are not composed of peptidoglycan. In which of the following domains
would you classify this unique organism?
a. Bacteria
b. Archaea
c. Eukarya
d. There isn’t enough information to classify this organism
Give this one a try later!
b. Archaea
25. An example of vertical transmission of infectious agents is
a) Staphylococcus spp. gaining antibiotic resistance genes through conjugation.
b) an agent transferred from mother to child in utero.
c) an infectious ameba obtained from a water sample.
,d) influenza being passed by a sneeze.
e) hepatitis being transmitted by an infected needle stick
Give this one a try later!
b) an agent transferred from mother to child in utero.
24. The small segment of antigen that is capable of eliciting an immune response is
called a(n)
a) hapten.
b) clonotope.
c) aggretope.
d) epitope.
e) naïve antigen.
Give this one a try later!
d) epitope.
____ 8. Which of the following pathways and products are mismatched?
a. Embden-Meyerhof-Parnas (Glycolysis) pathway—ATP and NADPH
b. Pentose phosphate pathway—ATP and NADPH
c. Bacterial tricarboxylic acid cycle—NADH, FADH2 and ATP
d. All of the above are correct
Give this one a try later!
a. Embden-Meyerhof-Parnas (Glycolysis) pathway—ATP and NADPH
,____ 7. Which of the following choices is characteristic of organisms performing
fermentation
a. They use an ETS
b. They consume large quantities of substrate and excrete large quantities of products
c. They consume small quantities of substrate and excrete small quantities of products
d. Fermentation is unique to bacteria
e. None of the above choices are characteristic of fermenting organisms
Give this one a try later!
b. They consume large quantities of substrate and excrete large
quantities of products
Which of the following is correct regarding fermentation?
a) It consists of partial breakdown of organic molecules without an electron transport
system.
b) In fermentative reactions, electrons from organic substrates are put back onto
organic products.
c) It occurs in the absence of oxygen.
d) It occurs in the absence of any suitable Terminal Electron Acceptors
e) All of the above are correct.
Give this one a try later!
e) All of the above are correct.
22) All of the following are bacterial phyla except:
a. Planctomycetes. b. Firmicutes.
c. Spirochetes. d. Cyanobacteria.
e. Lokiarchaeota.
, Give this one a try later!
e. Lokiarchaeota.
24. Multicellular life emerged on Earth during the:
a) Archaeon eon
b) Proterozoic eon
c) Hadean eon
d) Phanerozoic eon
e) Jurassic eon
Give this one a try later!
b) Proterozoic eon
18) In bacteriophage T4, the DNA genome is contained in the head, and binding to
the host is facilitated by attachment of the
a. capsid.
b. neck.
c. tail fibers.
d. envelope.
e. tegument.
Give this one a try later!
c. tail fibers.
A bacterium capable of producing methane and water from carbon dioxide and
hydrogen performs a type of metabolism called ____________ and, given its sources
