Bio 226- Exam 1 UPDATED ACTUAL Questions and CORRECT
Answers
, Which of the following in not a distinguishing They lack a plasma membrane
characteristic of prokaryotic cells?
Which cell type produces primarily endotoxins? E. Coli
Which of the following statements about gram negative They have a thick layer of peptidoglycan
cell walls is false?
Which of the following statements best describes what Water will move out of the cell
happens when a bacterial cell is placed in a solution
containing 5% NaCl?
Which term describes a flagella arrangement that has Peritrichous
many flagella surrounding the cell?
If you have a compartment divided by a membrane, there When there are 5 molecules of fructose on each side
are 8 molecules of SUCROSE on one side of the
membrane and 10 molecules if FRUCTOSE in the other
side of the membrane. When will the solution reach
equilibrium for FRUCTOSE?
The function of pili is for transfer of genetic material
Which is the best explanation for why antibiotics that Eukaryotic cells have 80s ribosomes while bacteria have 70s ribosomes
inhibit protein synthesis such as tetracycline, in general
don't harm the host's cells, but inhibit bacterial cells?
What type of molecules cannot pass across the plasma proteins
membrane?
Which of the following external prokaryotic structures are Glycocalyx and fimbriae
considered to be a be virulence factors?
Cocci that are arranges in grape-like clusters are referred Staphylococci
to as
Which of the following statements is NOT true about high resistance to drying
Gram negative bacteria?
After performing the gram stain procedure you realize both gram positive and negative would be purple
that you decolorized with water instead of 95% EtOH.
What color would the cells appear under the microscope
when observed?
"Bonus" genes that may be helpful for bacteria to survive plasmids
in certain environments are often found on small. circular
extra chromosomal DNA known as
Answers
, Which of the following in not a distinguishing They lack a plasma membrane
characteristic of prokaryotic cells?
Which cell type produces primarily endotoxins? E. Coli
Which of the following statements about gram negative They have a thick layer of peptidoglycan
cell walls is false?
Which of the following statements best describes what Water will move out of the cell
happens when a bacterial cell is placed in a solution
containing 5% NaCl?
Which term describes a flagella arrangement that has Peritrichous
many flagella surrounding the cell?
If you have a compartment divided by a membrane, there When there are 5 molecules of fructose on each side
are 8 molecules of SUCROSE on one side of the
membrane and 10 molecules if FRUCTOSE in the other
side of the membrane. When will the solution reach
equilibrium for FRUCTOSE?
The function of pili is for transfer of genetic material
Which is the best explanation for why antibiotics that Eukaryotic cells have 80s ribosomes while bacteria have 70s ribosomes
inhibit protein synthesis such as tetracycline, in general
don't harm the host's cells, but inhibit bacterial cells?
What type of molecules cannot pass across the plasma proteins
membrane?
Which of the following external prokaryotic structures are Glycocalyx and fimbriae
considered to be a be virulence factors?
Cocci that are arranges in grape-like clusters are referred Staphylococci
to as
Which of the following statements is NOT true about high resistance to drying
Gram negative bacteria?
After performing the gram stain procedure you realize both gram positive and negative would be purple
that you decolorized with water instead of 95% EtOH.
What color would the cells appear under the microscope
when observed?
"Bonus" genes that may be helpful for bacteria to survive plasmids
in certain environments are often found on small. circular
extra chromosomal DNA known as
