Question 1

Which structure regulates passage of molecules into and out of the bacterial cell?

Accepted Answer

A)  plasma membrane 
B)  nucleus 
C)  mitochondria 
D)  chloroplast 
E)  flagella 
A)  plasma membrane 
B)  nucleus 
C)  mitochondria 
D)  chloroplast 
E)  flagella

Question 2

In moving from the outside environment to the inside of the cell,the first layer of a bacterium encountered would be

Accepted Answer

A)  the nucleus. 
B)  the capsule. 
C)  the cell wall. 
D)  the cell membrane. 
E)  the DNA. 
A)  the nucleus. 
B)  the capsule. 
C)  the cell wall. 
D)  the cell membrane. 
E)  the DNA.

Question 3

The "powerhouse" of the cell is the

Accepted Answer

A)  chloroplast. 
B)  mitochondria. 
C)  Golgi apparatus. 
D)  ribosome. 
E)  centriole. 
A)  chloroplast. 
B)  mitochondria. 
C)  Golgi apparatus. 
D)  ribosome. 
E)  centriole.

Question 4

Tay-Sachs is a serious childhood metabolic disorder where ____ fail to digest certain lipids.

Accepted Answer

A)  lysosomes 
B)  nucleolus 
C)  mitochondria 
D)  Golgi apparatus 
E)  centrioles 
A)  lysosomes 
B)  nucleolus 
C)  mitochondria 
D)  Golgi apparatus 
E)  centrioles

Question 5

If an active cell produces an important protein for secretion,what sequence of organelles might we examine for the origin of that secretion?

Accepted Answer

A)  endoplasmic reticulum-to-ribosomes-to-Golgi apparatus 
B)  ribosomes-to-endoplasmic reticulum-to-Golgi apparatus 
C)  endoplasmic reticulum-to-Golgi apparatus-to-ribosomes 
D)  Golgi apparatus-to-endoplasmic reticulum-to-ribosomes 
E)  ribosomes-to-Golgi apparatus-to-endoplasmic reticulum 
A)  endoplasmic reticulum-to-ribosomes-to-Golgi apparatus 
B)  ribosomes-to-endoplasmic reticulum-to-Golgi apparatus 
C)  endoplasmic reticulum-to-Golgi apparatus-to-ribosomes 
D)  Golgi apparatus-to-endoplasmic reticulum-to-ribosomes 
E)  ribosomes-to-Golgi apparatus-to-endoplasmic reticulum

Question 6

Which is NOT a correct association of cell organelles and function?

Accepted Answer

A)  lysosome-intracellular digestion 
B)  mitochondrion-cell respiration 
C)  ribosome-production of proteins 
D)  cell wall-regulate molecule passage in and out of animal cells 
E)  vacuole-storage of chemicals 
A)  lysosome-intracellular digestion 
B)  mitochondrion-cell respiration 
C)  ribosome-production of proteins 
D)  cell wall-regulate molecule passage in and out of animal cells 
E)  vacuole-storage of chemicals

Question 7

Which of the following would not be a function of the peroxisomes?

Accepted Answer

A)  break down fats in the liver 
B)  produce bile salts in the liver 
C)  help germinating seeds convert fatty acids into molecules that can be converted to sugars 
D)  storage of toxic materials in the cell 
E)  metabolism that uses oxygen and releases carbon dioxide in leaves 
A)  break down fats in the liver 
B)  produce bile salts in the liver 
C)  help germinating seeds convert fatty acids into molecules that can be converted to sugars 
D)  storage of toxic materials in the cell 
E)  metabolism that uses oxygen and releases carbon dioxide in leaves

Question 8

Which of the following structures are NOT found in the cytoplasm?

Accepted Answer

A)  mitochondria 
B)  chloroplast 
C)  chromosomes 
D)  nucleus 
E)  lysosome 
A)  mitochondria 
B)  chloroplast 
C)  chromosomes 
D)  nucleus 
E)  lysosome

Question 9

Within eukaryotic cells,the ____ is surrounded by a double membrane and carries the coding that determines protein synthesis.

Accepted Answer

A)  smooth endoplasmic reticulum 
B)  chloroplast 
C)  nucleolus 
D)  nucleus 
E)  rough endoplasmic reticulum 
A)  smooth endoplasmic reticulum 
B)  chloroplast 
C)  nucleolus 
D)  nucleus 
E)  rough endoplasmic reticulum

Question 10

Circulating red blood cells in your body do not contain a nucleus and other organelles.Are these cells living?

Accepted Answer

A)  Yes, because they are actively metabolizing and once contained organelles. 
B)  Yes, because they are capable of moving throughout the body in the circulation. 
C)  No, because they do not contain a nucleus, they cannot be living. 
D)  No, because red blood cells do not actively metabolize. 
E)  No, because they are now only part of a once living cell. 
A)  Yes, because they are actively metabolizing and once contained organelles. 
B)  Yes, because they are capable of moving throughout the body in the circulation. 
C)  No, because they do not contain a nucleus, they cannot be living. 
D)  No, because red blood cells do not actively metabolize. 
E)  No, because they are now only part of a once living cell.

Question 11

Which nuclear structure(s)contain(s)the hereditary material?

Accepted Answer

A)  nuclear envelope 
B)  chloroplasts 
C)  chromatin 
D)  nucleoplasm 
E)  mitochondria 
A)  nuclear envelope 
B)  chloroplasts 
C)  chromatin 
D)  nucleoplasm 
E)  mitochondria

Question 12

What evidence suggests that proteins are synthesized and modified in the rough ER as opposed to the smooth ER?

Accepted Answer

A)  ribosomes are associated with the surface of the rough ER. 
B)  ribosomes are associated with the surface of the smooth ER. 
C)  proteins can be found in the membrane of the rough ER but not the smooth ER. 
D)  the smooth ER functions in the synthesis of phospholipids. 
E)  smooth ER is continuous with rough ER. 
A)  ribosomes are associated with the surface of the rough ER. 
B)  ribosomes are associated with the surface of the smooth ER. 
C)  proteins can be found in the membrane of the rough ER but not the smooth ER. 
D)  the smooth ER functions in the synthesis of phospholipids. 
E)  smooth ER is continuous with rough ER.

Question 13

Which organelle will give off oxygen and use up carbon dioxide in plants?

Accepted Answer

A)  Golgi apparatus 
B)  rough endoplasmic reticulum 
C)  lysosomes 
D)  mitochondria 
E)  chloroplasts 
A)  Golgi apparatus 
B)  rough endoplasmic reticulum 
C)  lysosomes 
D)  mitochondria 
E)  chloroplasts

Question 14

The motor molecules associated with actin are called

Accepted Answer

A)  centrosomes. 
B)  centrioles. 
C)  dynein. 
D)  myosin. 
E)  kinesin. 
A)  centrosomes. 
B)  centrioles. 
C)  dynein. 
D)  myosin. 
E)  kinesin.

Question 15

In plants,chloroplasts are necessary for

Accepted Answer

A)  respiration. 
B)  secretion. 
C)  photosynthesis. 
D)  storage. 
E)  cell movement. 
A)  respiration. 
B)  secretion. 
C)  photosynthesis. 
D)  storage. 
E)  cell movement.

Question 16

Which organelle has 13 rows of tubulin dimers around an empty central core?

Accepted Answer

A)  flagella 
B)  microtubules 
C)  actin filaments 
D)  intermediate filaments 
E)  cilia 
A)  flagella 
B)  microtubules 
C)  actin filaments 
D)  intermediate filaments 
E)  cilia

Question 17

Brock's father has inherited a mitochondrial disease.Is Brock in danger of also having this disease?

Accepted Answer

The answer of Brock's father has inherited a mitochondrial disease.Is...

Question 18

Centrioles

Accepted Answer

A)  consist of 9 + 2 pattern. 
B)  are composed of microtubule triplets. 
C)  carry on cellular respiration. 
D)  are found in plant cells. 
E)  are composed of actin. 
A)  consist of 9 + 2 pattern. 
B)  are composed of microtubule triplets. 
C)  carry on cellular respiration. 
D)  are found in plant cells. 
E)  are composed of actin.

Question 19

Surface-area-to-volume ratios indicate

Accepted Answer

A)  cells must exceed a certain minimum size. 
B)  as cells get larger, their surface area actually decreases. 
C)  largest cells have less proportionate need for food intake and waste removal. 
D)  a chicken egg is one cell thus demonstrating the upper limit for metabolizing cell size. 
E)  as cells get larger, their surface area gets larger but at a slower rate than the volume increases. 
A)  cells must exceed a certain minimum size. 
B)  as cells get larger, their surface area actually decreases. 
C)  largest cells have less proportionate need for food intake and waste removal. 
D)  a chicken egg is one cell thus demonstrating the upper limit for metabolizing cell size. 
E)  as cells get larger, their surface area gets larger but at a slower rate than the volume increases.

Question 20

If cells were moved to a low-gravity environment,such as in space exploration,a change would most likely be expected in the

Accepted Answer

A)  nucleus and the genetic process. 
B)  chloroplast and energy capture. 
C)  cytoskeleton. 
D)  vacuoles and lysosomes. 
E)  mitochondrion and energy release. 
A)  nucleus and the genetic process. 
B)  chloroplast and energy capture. 
C)  cytoskeleton. 
D)  vacuoles and lysosomes. 
E)  mitochondrion and energy release.

Exam 3: Cell Structure and Function

Which structure regulates passage of molecules into and out of the bacterial cell?

In moving from the outside environment to the inside of the cell,the first layer of a bacterium encountered would be

The "powerhouse" of the cell is the

Tay-Sachs is a serious childhood metabolic disorder where ____ fail to digest certain lipids.

If an active cell produces an important protein for secretion,what sequence of organelles might we examine for the origin of that secretion?

Which is NOT a correct association of cell organelles and function?

Which of the following would not be a function of the peroxisomes?

Which of the following structures are NOT found in the cytoplasm?

Within eukaryotic cells,the ____ is surrounded by a double membrane and carries the coding that determines protein synthesis.

Circulating red blood cells in your body do not contain a nucleus and other organelles.Are these cells living?

Which nuclear structure(s)contain(s)the hereditary material?

What evidence suggests that proteins are synthesized and modified in the rough ER as opposed to the smooth ER?

Which organelle will give off oxygen and use up carbon dioxide in plants?

The motor molecules associated with actin are called

In plants,chloroplasts are necessary for

Which organelle has 13 rows of tubulin dimers around an empty central core?

Brock's father has inherited a mitochondrial disease.Is Brock in danger of also having this disease?

Centrioles

Surface-area-to-volume ratios indicate

If cells were moved to a low-gravity environment,such as in space exploration,a change would most likely be expected in the

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