Cell walls are not typically possessed by ______. -
answerprotozoa
The two major groups of helminths are the ______ and the
______. - answerroundworms; flatworms
Which of the following is not true of conjugation?
a. Involves direct contact between cells
b. Transfers genes for drug resistance
c. Transfers genes for enzymes and adherence molecules
d. Involves the action of bacteriophage
e. The donor retains a copy of the transferred genes -
answerInvolves the action of bacteriophage
Which of the following properties is likely to be found in a
pioneer colonizer of a biofilm on an artificial joint implant? -
answerSurface structures for attaching to tissue
A bacterium is inoculated into a tube of thioglycollate and
incubated. After incubation, turbidity appears throughout,
top to bottom, with the greatest turbidty at the very top.
, This bacterium would be called a(n) ______. -
answerfacultative anaerobe
An organic nutrient that cannot be synthesized by the
organism and must be provided is called a(n) ______. -
answergrowth factor
Humans can see objects as small as 0.1 mm.
Leeuwenhoek's best microscope could magnify objects to
300X. Which of the following would be invisible using
Leeuwenhoek's microscope? - answerPoliovirus, 30 nm
Which of the following is not associated with every virus?
a. Envelope
b. Capsomeres
c. Capsid
d. Nucleic acid
e. Genome - answerEnvelope
A diagram of the three domains (Bacteria, Archaea,
Eukarya) proceeding from the Last Universal Common
Ancestor would show Archaea - answerbranching off the
Domain Eukarya.
During aerobic cellular respiration, the final electron
acceptor is ______. - answeroxygen
The endosymbiotic theory has been developed to explain
the emergence of ______. - answereukaryotes
Which of the following is a unique characteristic of viruses
that distinguishes them from the other major groups of
microorganisms?
a. Cause human disease
b. Lack a nucleus
c. Cannot be seen without a microscope
d. Contain genetic material
e. Lack cell structure - answerLack cell structure
answerprotozoa
The two major groups of helminths are the ______ and the
______. - answerroundworms; flatworms
Which of the following is not true of conjugation?
a. Involves direct contact between cells
b. Transfers genes for drug resistance
c. Transfers genes for enzymes and adherence molecules
d. Involves the action of bacteriophage
e. The donor retains a copy of the transferred genes -
answerInvolves the action of bacteriophage
Which of the following properties is likely to be found in a
pioneer colonizer of a biofilm on an artificial joint implant? -
answerSurface structures for attaching to tissue
A bacterium is inoculated into a tube of thioglycollate and
incubated. After incubation, turbidity appears throughout,
top to bottom, with the greatest turbidty at the very top.
, This bacterium would be called a(n) ______. -
answerfacultative anaerobe
An organic nutrient that cannot be synthesized by the
organism and must be provided is called a(n) ______. -
answergrowth factor
Humans can see objects as small as 0.1 mm.
Leeuwenhoek's best microscope could magnify objects to
300X. Which of the following would be invisible using
Leeuwenhoek's microscope? - answerPoliovirus, 30 nm
Which of the following is not associated with every virus?
a. Envelope
b. Capsomeres
c. Capsid
d. Nucleic acid
e. Genome - answerEnvelope
A diagram of the three domains (Bacteria, Archaea,
Eukarya) proceeding from the Last Universal Common
Ancestor would show Archaea - answerbranching off the
Domain Eukarya.
During aerobic cellular respiration, the final electron
acceptor is ______. - answeroxygen
The endosymbiotic theory has been developed to explain
the emergence of ______. - answereukaryotes
Which of the following is a unique characteristic of viruses
that distinguishes them from the other major groups of
microorganisms?
a. Cause human disease
b. Lack a nucleus
c. Cannot be seen without a microscope
d. Contain genetic material
e. Lack cell structure - answerLack cell structure
