Question 1

Choose the most appropriate description for each item.
-RNA molecules

Accepted Answer

A)  Contain enzymes for intracellular digestion
B)  Primary cellular organelles where proteins are assembled
C)  Package cellular secretions for export
D)  Extract energy stored in carbohydrates; synthesize ATP; produce water and carbon dioxide
E)  Synthesize subunits that will be assembled into two-part ribosomes in the cytoplasmF) Molecules that participate in protein synthesisG) Store substancesH) Encode hereditary informationI) Help distribute chromosomes to the new cells during cell divisionJ) Convert light energy to chemical energy stored in the chemical bonds of glucose or starch

Question 2

Classification. The following items are organelles found in animal cells. Respond to the statements below with reference to these organelles.
-This organelle comprises a smooth section and a rough section.

Accepted Answer

A)  Ribosome
B)  Mitochondrion
C)  Lysosome
D)  Golgi body
E)  Endoplasmic reticulum

Question 3

Labeling. Label the parts of the model animal cell.
 
-Nuclear envelope

Accepted Answer

The answer of Labeling. Label the parts of the model...

Question 4

Classification. The following items are organelles found in animal cells. Respond to the statements below with reference to these organelles.
-Aerobic respiration occurs in this organelle.

Accepted Answer

A)  Ribosome
B)  Mitochondrion
C)  Lysosome
D)  Golgi body
E)  Endoplasmic reticulum

Question 5

Labeling. Label the parts of the model animal cell.
 
-Nucleus

Accepted Answer

The answer of Labeling. Label the parts of the model...

Question 6

Classification. The following items are found in the extracellular matrix of plant cells. Respond to the statements below with reference to these structures.
-Prevents water loss

Accepted Answer

A)  Basement membrane
B)  Primary cell wall
C)  Pectin
D)  Lignin
E)  Cuticle

Question 7

Classification. The following items are organelles found in animal cells. Respond to the statements below with reference to these organelles.
-The packaging of secretory proteins occurs in association with this structure.

Accepted Answer

A)  Ribosome
B)  Mitochondrion
C)  Lysosome
D)  Golgi body
E)  Endoplasmic reticulum

Question 8

The space between the two membranes of the mitochondrion accumulates ____.

Accepted Answer

A)   proteins
B)   H+
C)   carbohydrates
D)   H2O2
E)   CO2

Question 9

Labeling. Label the parts of the model animal cell.
 
-Mitochondrion

Accepted Answer

The answer of Labeling. Label the parts of the model...

Question 10

Figure 4.16
 
-What is a main function of the structure in the accompanying figure labeled A?

Accepted Answer

A)   It controls cell shape.
B)   It separates DNA during cell division.
C)   It helps nerve cells lengthen.
D)   It is found in hair.
E)   It helps regulate DNA replication.

Question 11

Prokaryotes ____.

Accepted Answer

A)   have a nucleus
B)   have complex, usually membrane-bound organelles
C)   always have cell walls
D)   are either bacteria or archaea
E)   always have flagella

Question 12

Choose the most appropriate description for each item.
-Central vacuoles

Accepted Answer

A)  Contain enzymes for intracellular digestion
B)  Primary cellular organelles where proteins are assembled
C)  Package cellular secretions for export
D)  Extract energy stored in carbohydrates; synthesize ATP; produce water and carbon dioxide
E)  Synthesize subunits that will be assembled into two-part ribosomes in the cytoplasmF) Molecules that participate in protein synthesisG) Store substancesH) Encode hereditary informationI) Help distribute chromosomes to the new cells during cell divisionJ) Convert light energy to chemical energy stored in the chemical bonds of glucose or starch

Question 13

Which item below is unique to eukaryotic cells?

Accepted Answer

A)   Cell wall
B)   Plasma membrane
C)   Nucleoid
D)   Ribosomes
E)   Vacuole

Question 14

Classification. The following items are structures found in plant cells. Respond to the statements below with reference to these structures.
-Abundant in the tubers of root crops such as potatoes

Accepted Answer

A)  Amyloplast
B)  Central vacuole
C)  Plasmodesmata
D)  Cell wall
E)  Chromoplasts

Question 15

A small circle of DNA in some bacteria and archaea is known as ______.

Accepted Answer

A)   cytosol
B)   ribosome
C)   plasmid
D)   pilus
E)   biofilm

Question 16

Which cell organelle is responsible for the breakdown of fatty acids?

Accepted Answer

A)   Golgi body
B)   Ribosome
C)   Mitochondrion
D)   Lysosome
E)   Peroxisome

Question 17

Figure 4.9
 
-The part labeled "B" in the accompanying figure is ____.

Accepted Answer

A)   a nucleus
B)   a Golgi body
C)   endoplasmic reticulum
D)   a vacuole
E)   a nucleoid

Question 18

Figure 4.9
 
-The part labeled "C" in the accompanying figure is ____.

Accepted Answer

A)   a nucleus
B)   chromatin
C)   the nuclear membrane
D)   a vacuole
E)   a mitochondrion

Question 19

Classification. The following items are part of the cytoskeleton. Respond to the statements below with reference to these elements.
-These are the most stable cytoskeletal elements.

Accepted Answer

A)  Microtubules
B)  Microfilaments
C)  Intermediate filaments
D)  Motor proteins
E)  CiliumF) FlagellumG) Pseudopods

Question 20

A number of ____________________ cover the rough ER.

Accepted Answer

The answer of A number of ____________________ cover the rough...

Exam 4: Cell Structure

Labeling. Label the parts of the model animal cell. -Mitochondrion

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The space between the two membranes of the mitochondrion accumulates ____.

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Choose the most appropriate description for each item. -Central vacuoles

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Which cell organelle is responsible for the breakdown of fatty acids?

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Labeling. Label the parts of the model animal cell. -Nucleus

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Prokaryotes ____.

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Figure 4.9 -The part labeled "B" in the accompanying figure is ____.

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Figure 4.9 -The part labeled "C" in the accompanying figure is ____.

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Figure 4.16 -What is a main function of the structure in the accompanying figure labeled A?

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Choose the most appropriate description for each item. -RNA molecules

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Classification. The following items are organelles found in animal cells. Respond to the statements below with reference to these organelles. -The packaging of secretory proteins occurs in association with this structure.

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Classification. The following items are organelles found in animal cells. Respond to the statements below with reference to these organelles. -This organelle comprises a smooth section and a rough section.

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Classification. The following items are part of the cytoskeleton. Respond to the statements below with reference to these elements. -These are the most stable cytoskeletal elements.

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A small circle of DNA in some bacteria and archaea is known as ______.

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Classification. The following items are organelles found in animal cells. Respond to the statements below with reference to these organelles. -Aerobic respiration occurs in this organelle.

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A number of ____________________ cover the rough ER.

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Labeling. Label the parts of the model animal cell. -Nuclear envelope

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Classification. The following items are found in the extracellular matrix of plant cells. Respond to the statements below with reference to these structures. -Prevents water loss

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Classification. The following items are structures found in plant cells. Respond to the statements below with reference to these structures. -Abundant in the tubers of root crops such as potatoes

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Which item below is unique to eukaryotic cells?

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