Microbiology KU EXAM 1 with 100%
complete solution passed
Cell membranes are composed of? - correct answer ✔✔Phospholipid bilayer
Which of the following is found in eukaryotic cells, but not prokaryotic cells? - correct answer
✔✔Mitochondria
The ___ portion of cell membranes functions as a barrier while the ______ portion provides
specific functions, including pumps, receptors, adhesion, etc. - correct answer ✔✔lipid; protein
When the fluid within a cell has a higher concentration of dissolved substances than the fluid
surrounding the cell, we say the fluid surrounding the cell is? - correct answer ✔✔hypotonic
Suppose the cytosol (cytoplasm) of a Proteus vulgaris bacterium has a salt concentration of
about 10%. If the cell is placed in a solution containing 1% salt, the net flow of water will be? -
correct answer ✔✔into the cell
Which of these is an external structure of prokaryotic cells, that helps cells adhere to each other
and/or to substances in their environment? - correct answer ✔✔fimbriae
How many phosphate groups are present in one molecule of ATP? - correct answer ✔✔3
Which of the following is not a common bacterial shape? - correct answer ✔✔cubic
Bacteria move by means of? - correct answer ✔✔flagella
, Refer to the "Cross Section of a Cell" figure (below). Which of the following has a double-
membrane structure? - correct answer ✔✔G
Refer to the "Cross Section of a Cell" figure (below). Which of the following cellular structures
can be found in both prokaryotic and eukaryotic cells? - correct answer ✔✔J
Refer to the "Cross Section of a Cell" figure (below). Which organelle is responsible for
performing most protein synthesis? - correct answer ✔✔F
Regarding Louis Pasteur's experiments with the S-neck flask (pictured above), which of the
following statements is TRUE? - correct answer ✔✔ALL ANSWERS ARE CORRECT
1. Air exchange was
allowed.
2. A food source was provided.
3. Contamination was eliminated.
4. All preexisting microorganisms were killed.
What is the type of bond found between the hydrogen of one molecule and the oxygen of
another molecule? - correct answer ✔✔hydrogen bond
Which of the following most closely resembles a prokaryotic cell? - correct answer
✔✔mitochondrion
A solution has a pH of 7. This would be considered? - correct answer ✔✔neutral
complete solution passed
Cell membranes are composed of? - correct answer ✔✔Phospholipid bilayer
Which of the following is found in eukaryotic cells, but not prokaryotic cells? - correct answer
✔✔Mitochondria
The ___ portion of cell membranes functions as a barrier while the ______ portion provides
specific functions, including pumps, receptors, adhesion, etc. - correct answer ✔✔lipid; protein
When the fluid within a cell has a higher concentration of dissolved substances than the fluid
surrounding the cell, we say the fluid surrounding the cell is? - correct answer ✔✔hypotonic
Suppose the cytosol (cytoplasm) of a Proteus vulgaris bacterium has a salt concentration of
about 10%. If the cell is placed in a solution containing 1% salt, the net flow of water will be? -
correct answer ✔✔into the cell
Which of these is an external structure of prokaryotic cells, that helps cells adhere to each other
and/or to substances in their environment? - correct answer ✔✔fimbriae
How many phosphate groups are present in one molecule of ATP? - correct answer ✔✔3
Which of the following is not a common bacterial shape? - correct answer ✔✔cubic
Bacteria move by means of? - correct answer ✔✔flagella
, Refer to the "Cross Section of a Cell" figure (below). Which of the following has a double-
membrane structure? - correct answer ✔✔G
Refer to the "Cross Section of a Cell" figure (below). Which of the following cellular structures
can be found in both prokaryotic and eukaryotic cells? - correct answer ✔✔J
Refer to the "Cross Section of a Cell" figure (below). Which organelle is responsible for
performing most protein synthesis? - correct answer ✔✔F
Regarding Louis Pasteur's experiments with the S-neck flask (pictured above), which of the
following statements is TRUE? - correct answer ✔✔ALL ANSWERS ARE CORRECT
1. Air exchange was
allowed.
2. A food source was provided.
3. Contamination was eliminated.
4. All preexisting microorganisms were killed.
What is the type of bond found between the hydrogen of one molecule and the oxygen of
another molecule? - correct answer ✔✔hydrogen bond
Which of the following most closely resembles a prokaryotic cell? - correct answer
✔✔mitochondrion
A solution has a pH of 7. This would be considered? - correct answer ✔✔neutral
