Exam 1: Exam 2: Exam 3: Bios 255 : Questions &
Answers : Updated
Which of the following is a function of the smooth endoplasmic reticulum? - ANSWER:Lipid manufacture
What is the purpose of the cell wall? - ANSWER:Support and protection
________ can readily diffuse across a lipid bilayer. - ANSWER:-Oxygen
-Carbon Dioxide
Inside the nuclear envelope the DNA maybe found in the form of fine diffuse strands is called -
ANSWER:Chromatin
Lysosomes - ANSWER:Contain digestive enzymes
Which of the following is a type of vesicle produced by the Golgi body? - ANSWER:Lysosome
Which of the components of cytoskeleton are used directly for movement? - ANSWER:Microtubules
What is similar about exporting proteins for a cell and digesting food particles within a cell? -
ANSWER:Both processes involve the formation of vesicles
This organelle is more likely to be found in an plant cell than in a animal cell - ANSWER:Central vacuole
What is a role of proteins found in a eukaryotic plasma membranes: - ANSWER:Regulating the flow of a
material through the membrane
In all cells DNA is located in - ANSWER:Chromosomes
What is the main product of the rough endoplasmic reticulum? - ANSWER:Proteins
Scientists demonstrated the fluidity of plasma membranes by - ANSWER:Fusing the membranes of two
different species
Which of the following involved in lipid synthesis and modification? - ANSWER:Smooth ER
Chloroplasts contain disk-like membraneous sac arranged in stacks. The stacks are called -
ANSWER:Grana
Not all substances can cross the cell membrane, for this reason, the cell membrane is said to be -
ANSWER:Selectively permeable
In a typical cell the substance found in the highest percentage is: - ANSWER:Water
Which statement best describes the relationship between the RNA and DNA? - ANSWER:RNA is a copy of
DNA that makes his own proteins
What activity occurs in the nucleolus? - ANSWER:Ribosome parts are created
, We usually compare all eukaryotic cells as a group to all prokaryotic cells. However, some types of
eukaryotic cells have characteristics that are found in prokaryotic cells, but not found in other eukaryotic
cells. What feature do plant cells share with prokaryotic cells, but not animal cells? - ANSWER:Cell wall
The term cell comes from this scientist's work and his description of the compartmentation he saw in
thin slices of corks: - ANSWER:Hooke
Which organelle below is capable of production its own protein? - ANSWER:Mitochondrium
As a result of its involvement in a reaction, an enzyme - ANSWER:Is unchanged
In a lipid bilayer, ______ of lipid molecules are sandwiched between ________. - ANSWER:Hydrophobic
tails; hydrophilic heads
The RNA in the nucleus leaves through - ANSWER:Nuclear pores
Which structures are found in a prokaryotic cell? - ANSWER:Nucleoid, ribosomes, chloroplast, cell wall
The primary structural difference between plant and animal cells is that most plant cells are: -
ANSWER:Enclosed by a cell wall
This illustration of which cell organelle? - ANSWER:Dictyosome
A prokaryote has - ANSWER:A cell membrane
There are many kinds of ________ in cell membranes; they help to move material into and out of the cell
- ANSWER:Proteins
What are cilia? - ANSWER:Short, eyelash-like projections from the cell membrane that provide for
locomotion
Cells with high energy requirements, such as muscle (as in a humming bird), tend to have many -
ANSWER:Mitochondria
The organelle directly responsible for packaging and exporting cellular products is the: -
ANSWER:Dictyosome (Golgi)
Four of the five items listed below are cytoplasmic organelles. Select the exception - ANSWER:Nucleolus
Nucleic acids confined to the nucleus or nucleoid indirectly - ANSWER:Direct protein synthesis out in the
cytoplasm
Vesicles pinched off from the ER most likely are on their way to the - ANSWER:Golgi body
The fluid filled sac that may store food, acids, vitamins, ions or water in plant cells and is involved in fluid
- ANSWER:Central vacuole
In general the net movement of molecules in a fluid is a response to the - ANSWER:Concentration
gradient
The cell wall of plants consist largely of - ANSWER:Carbohydrates
Answers : Updated
Which of the following is a function of the smooth endoplasmic reticulum? - ANSWER:Lipid manufacture
What is the purpose of the cell wall? - ANSWER:Support and protection
________ can readily diffuse across a lipid bilayer. - ANSWER:-Oxygen
-Carbon Dioxide
Inside the nuclear envelope the DNA maybe found in the form of fine diffuse strands is called -
ANSWER:Chromatin
Lysosomes - ANSWER:Contain digestive enzymes
Which of the following is a type of vesicle produced by the Golgi body? - ANSWER:Lysosome
Which of the components of cytoskeleton are used directly for movement? - ANSWER:Microtubules
What is similar about exporting proteins for a cell and digesting food particles within a cell? -
ANSWER:Both processes involve the formation of vesicles
This organelle is more likely to be found in an plant cell than in a animal cell - ANSWER:Central vacuole
What is a role of proteins found in a eukaryotic plasma membranes: - ANSWER:Regulating the flow of a
material through the membrane
In all cells DNA is located in - ANSWER:Chromosomes
What is the main product of the rough endoplasmic reticulum? - ANSWER:Proteins
Scientists demonstrated the fluidity of plasma membranes by - ANSWER:Fusing the membranes of two
different species
Which of the following involved in lipid synthesis and modification? - ANSWER:Smooth ER
Chloroplasts contain disk-like membraneous sac arranged in stacks. The stacks are called -
ANSWER:Grana
Not all substances can cross the cell membrane, for this reason, the cell membrane is said to be -
ANSWER:Selectively permeable
In a typical cell the substance found in the highest percentage is: - ANSWER:Water
Which statement best describes the relationship between the RNA and DNA? - ANSWER:RNA is a copy of
DNA that makes his own proteins
What activity occurs in the nucleolus? - ANSWER:Ribosome parts are created
, We usually compare all eukaryotic cells as a group to all prokaryotic cells. However, some types of
eukaryotic cells have characteristics that are found in prokaryotic cells, but not found in other eukaryotic
cells. What feature do plant cells share with prokaryotic cells, but not animal cells? - ANSWER:Cell wall
The term cell comes from this scientist's work and his description of the compartmentation he saw in
thin slices of corks: - ANSWER:Hooke
Which organelle below is capable of production its own protein? - ANSWER:Mitochondrium
As a result of its involvement in a reaction, an enzyme - ANSWER:Is unchanged
In a lipid bilayer, ______ of lipid molecules are sandwiched between ________. - ANSWER:Hydrophobic
tails; hydrophilic heads
The RNA in the nucleus leaves through - ANSWER:Nuclear pores
Which structures are found in a prokaryotic cell? - ANSWER:Nucleoid, ribosomes, chloroplast, cell wall
The primary structural difference between plant and animal cells is that most plant cells are: -
ANSWER:Enclosed by a cell wall
This illustration of which cell organelle? - ANSWER:Dictyosome
A prokaryote has - ANSWER:A cell membrane
There are many kinds of ________ in cell membranes; they help to move material into and out of the cell
- ANSWER:Proteins
What are cilia? - ANSWER:Short, eyelash-like projections from the cell membrane that provide for
locomotion
Cells with high energy requirements, such as muscle (as in a humming bird), tend to have many -
ANSWER:Mitochondria
The organelle directly responsible for packaging and exporting cellular products is the: -
ANSWER:Dictyosome (Golgi)
Four of the five items listed below are cytoplasmic organelles. Select the exception - ANSWER:Nucleolus
Nucleic acids confined to the nucleus or nucleoid indirectly - ANSWER:Direct protein synthesis out in the
cytoplasm
Vesicles pinched off from the ER most likely are on their way to the - ANSWER:Golgi body
The fluid filled sac that may store food, acids, vitamins, ions or water in plant cells and is involved in fluid
- ANSWER:Central vacuole
In general the net movement of molecules in a fluid is a response to the - ANSWER:Concentration
gradient
The cell wall of plants consist largely of - ANSWER:Carbohydrates
