BIO 2104 questions with 100% complete
solutions graded A+
A prokaryote that has thick peptidoglycan cell wall with small amounts of teichoic
acid and lipoteichoic acid is - correct answer ✔✔Gram positive
When flagella are located at both poles of the microbe they are known as - correct
answer ✔✔amphitrichous
Lysozyme is most effective against - correct answer ✔✔Gram positive organisms
All bacterial cells have - correct answer ✔✔Ribosomes
Plasmids - correct answer ✔✔Are often the site of pathogenic genes
Endospores can be destroyed by boiling them at 100 C - correct answer ✔✔False
Gram negative bacteria have techoic and lipotechoic acid. - correct answer
✔✔False
Gram positive organisms - correct answer ✔✔Are more susceptible to antibiotics
than gram negative organisms
The bacterial structure that is responsible for the cells morphology and protects
the cell from changes in osmotic pressure is the - correct answer ✔✔Cell wall
,Which of the following is not a function of a prokaryote cell membrane? - correct
answer ✔✔protection against phagocytosis
capsomers bind together to form - correct answer ✔✔capsids
Identify the proper order of phases in the life cycle of animal viruses: - correct
answer ✔✔adsorption, penetration, uncoating, synthesis, assembly, and release
A temporal dsDNA bacteriophage - correct answer ✔✔inserts its genome into the
host chromosome to become a prophage
A naked virus exits a cell by ________; an enveloped virus exits a cell by ________
- correct answer ✔✔lysis, budding off
Enveloped animal viruses get their envelope from a host membrane. - correct
answer ✔✔True
Viruses that alter host genetic material may cause oncogenic effects. - correct
answer ✔✔True
Viral nucleic acids include which of the following - correct answer ✔✔A)
Double stranded DNA
B)
Single stranded DNA
C)
, Double stranded RNA
D)
Single stranded RNA
E)
All of the choices are correct - correct
New, nonenveloped virus release occurs by - correct answer ✔✔Lysis
Lysogeny refers to - correct answer ✔✔Viral genome inserting into bacterial host
chromosome
The activation of a prophage is called - correct answer ✔✔Induction
Penicillins and cephalosporins - correct answer ✔✔Block peptidases that cross-
link glycan molecules
The following are mechanisms of drug resistance except - correct answer
✔✔horizontal transfer
Each of the following target prokaryotic ribosomes except - correct answer
✔✔Polymyxins
Which of the following microbials does not inhibit DNA synthesis? - correct
answer ✔✔Penicillin
solutions graded A+
A prokaryote that has thick peptidoglycan cell wall with small amounts of teichoic
acid and lipoteichoic acid is - correct answer ✔✔Gram positive
When flagella are located at both poles of the microbe they are known as - correct
answer ✔✔amphitrichous
Lysozyme is most effective against - correct answer ✔✔Gram positive organisms
All bacterial cells have - correct answer ✔✔Ribosomes
Plasmids - correct answer ✔✔Are often the site of pathogenic genes
Endospores can be destroyed by boiling them at 100 C - correct answer ✔✔False
Gram negative bacteria have techoic and lipotechoic acid. - correct answer
✔✔False
Gram positive organisms - correct answer ✔✔Are more susceptible to antibiotics
than gram negative organisms
The bacterial structure that is responsible for the cells morphology and protects
the cell from changes in osmotic pressure is the - correct answer ✔✔Cell wall
,Which of the following is not a function of a prokaryote cell membrane? - correct
answer ✔✔protection against phagocytosis
capsomers bind together to form - correct answer ✔✔capsids
Identify the proper order of phases in the life cycle of animal viruses: - correct
answer ✔✔adsorption, penetration, uncoating, synthesis, assembly, and release
A temporal dsDNA bacteriophage - correct answer ✔✔inserts its genome into the
host chromosome to become a prophage
A naked virus exits a cell by ________; an enveloped virus exits a cell by ________
- correct answer ✔✔lysis, budding off
Enveloped animal viruses get their envelope from a host membrane. - correct
answer ✔✔True
Viruses that alter host genetic material may cause oncogenic effects. - correct
answer ✔✔True
Viral nucleic acids include which of the following - correct answer ✔✔A)
Double stranded DNA
B)
Single stranded DNA
C)
, Double stranded RNA
D)
Single stranded RNA
E)
All of the choices are correct - correct
New, nonenveloped virus release occurs by - correct answer ✔✔Lysis
Lysogeny refers to - correct answer ✔✔Viral genome inserting into bacterial host
chromosome
The activation of a prophage is called - correct answer ✔✔Induction
Penicillins and cephalosporins - correct answer ✔✔Block peptidases that cross-
link glycan molecules
The following are mechanisms of drug resistance except - correct answer
✔✔horizontal transfer
Each of the following target prokaryotic ribosomes except - correct answer
✔✔Polymyxins
Which of the following microbials does not inhibit DNA synthesis? - correct
answer ✔✔Penicillin
