Question 1

Match the following:
-Centrioles move to opposite ends of the cell.

Accepted Answer

A) Anaphase 
B) Late prophase 
C) Telophase 
D) Early prophase 
E) Metaphase 
A) Anaphase 
B) Late prophase 
C) Telophase 
D) Early prophase 
E) Metaphase

Question 2

Riboswitches are folded RNAs that act as switches to turn protein synthesis on or off in response to ________.

Accepted Answer

A)  specific codes from the DNA 
B)  changes in the environment 
C)  the presence or absence of ubiquitins 
D)  specific tRNAs 
A)  specific codes from the DNA 
B)  changes in the environment 
C)  the presence or absence of ubiquitins 
D)  specific tRNAs

Question 3

Bone is a connective tissue that provides support for the body with its strength and rigidity.Which of the following provides the best explanation for how this is so?

Accepted Answer

A)  Bone cells are very dense and therefore resist physical stress. 
B)  Bones cells secrete an extracellular matrix that when combined with minerals becomes rock hard. 
C)  Bone cells have extensive cytoskeleton that makes them ridged. 
D)  The bone cell's plasma membrane contains a high degree of cholesterol that stabilizes the cell membrane, giving it strength. 
A)  Bone cells are very dense and therefore resist physical stress. 
B)  Bones cells secrete an extracellular matrix that when combined with minerals becomes rock hard. 
C)  Bone cells have extensive cytoskeleton that makes them ridged. 
D)  The bone cell's plasma membrane contains a high degree of cholesterol that stabilizes the cell membrane, giving it strength.

Question 4

Figure 3.2
Using Figure 3.2, match the following:
-Nonpolar region of phospholipid.

Accepted Answer

A) A 
B) E 
C) C 
D) D 
E) B 
A) A 
B) E 
C) C 
D) D 
E) B

Question 5

Why can we say that a cell without a nucleus will ultimately die?

Accepted Answer

Without a nucleus,a cell canno

Question 6

Each daughter cell resulting from mitotic cell division has the exactly same genetic composition.

Accepted Answer

A) True 
 B)False

Question 7

Match the following:
-A molecule that binds to a specific codon and specific amino acid simultaneously.

Accepted Answer

A) Transfer RNA 
B) Messenger RNA 
C) Ribosomal RNA 
D) ATP 
E) Synthetase enzymes 
A) Transfer RNA 
B) Messenger RNA 
C) Ribosomal RNA 
D) ATP 
E) Synthetase enzymes

Question 8

Match the following:
-Forms part of the subunits for the protein synthesizing organelle.

Accepted Answer

A) Transfer RNA 
B) Messenger RNA 
C) Ribosomal RNA 
D) ATP 
E) Synthetase enzymes 
A) Transfer RNA 
B) Messenger RNA 
C) Ribosomal RNA 
D) ATP 
E) Synthetase enzymes

Question 9

If a cell is selectively reducing the concentration of a particular enzyme in the extracellular fluid it will likely utilize ________.

Accepted Answer

A)  phagocytosis 
B)  pinocytosis 
C)  receptor-mediated endocytosis 
D)  exocytosis 
A)  phagocytosis 
B)  pinocytosis 
C)  receptor-mediated endocytosis 
D)  exocytosis

Question 10

Figure 3.2
Using Figure 3.2, match the following:
-Integral protein.

Accepted Answer

A) A 
B) E 
C) C 
D) D 
E) B 
A) A 
B) E 
C) C 
D) D 
E) B

Question 11

DNA transcription is another word for DNA replication.

Accepted Answer

A) True 
 B)False

Question 12

Figure 3.1
Using Figure 3.1, match the following:
-Site of synthesis of lipid and steroid molecules.

Accepted Answer

A) C 
B) E 
C) D 
D) A 
E) B 
A) C 
B) E 
C) D 
D) A 
E) B

Question 13

A patient was admitted to the hospital for severe dehydration.Explain what changes occur in extracellular and intracellular fluid compartments during dehydration.

Accepted Answer

Fluid volume deficit occurs when the bod

Question 14

Match the following:
-May be attached to the ER or scattered in the cytoplasm.

Accepted Answer

A) Transfer RNA 
B) Messenger RNA 
C) Ribosomal RNA 
D) ATP 
E) Synthetase enzymes 
A) Transfer RNA 
B) Messenger RNA 
C) Ribosomal RNA 
D) ATP 
E) Synthetase enzymes

Question 15

Colchicine is a drug that can prevent the formation of microtubules.Which is the most likely affect colchicine would have on cell division?

Accepted Answer

A)  It will enhance mitosis by moving chromosome toward the spindle equator. 
B)  It would have little no effect on mitosis. 
C)  It would delay mitosis by preventing S phase. 
D)  It will arrest mitosis by preventing the formation of spindle microtubules. 
A)  It will enhance mitosis by moving chromosome toward the spindle equator. 
B)  It would have little no effect on mitosis. 
C)  It would delay mitosis by preventing S phase. 
D)  It will arrest mitosis by preventing the formation of spindle microtubules.

Question 16

The genetic information encoded in DNA by the regular alternation of sugar and phosphate molecules.

Accepted Answer

A) True 
 B)False

Question 17

Briefly name the subphases of interphase and tell what they do.

Accepted Answer

G1 - growth phase.The cell is metabolica

Question 18

Describe the events that take place within the Golgi apparatus to a protein that is destined for secretion by the cell into the extracellular fluid.

Accepted Answer

Within the Golgi apparatus,further modif

Question 19

Which of the following is not a factor that binds cells together?

Accepted Answer

A)  special membrane junctions 
B)  glycoproteins in the glycocalyx 
C)  glycolipids in the glycocalyx 
D)  wavy contours of the membranes of adjacent cells 
A)  special membrane junctions 
B)  glycoproteins in the glycocalyx 
C)  glycolipids in the glycocalyx 
D)  wavy contours of the membranes of adjacent cells

Question 20

Match the following:
-Produced in the nucleus,this molecule specifies the exact sequence of amino acids of the protein to be made.

Accepted Answer

A) Transfer RNA 
B) Messenger RNA 
C) Ribosomal RNA 
D) ATP 
E) Synthetase enzymes 
A) Transfer RNA 
B) Messenger RNA 
C) Ribosomal RNA 
D) ATP 
E) Synthetase enzymes

Exam 3: Cells: the Living Units

Match the following: -Centrioles move to opposite ends of the cell.

Riboswitches are folded RNAs that act as switches to turn protein synthesis on or off in response to ________.

Bone is a connective tissue that provides support for the body with its strength and rigidity.Which of the following provides the best explanation for how this is so?

Figure 3.2 Using Figure 3.2, match the following: -Nonpolar region of phospholipid.

Why can we say that a cell without a nucleus will ultimately die?

Each daughter cell resulting from mitotic cell division has the exactly same genetic composition.

Match the following: -A molecule that binds to a specific codon and specific amino acid simultaneously.

Match the following: -Forms part of the subunits for the protein synthesizing organelle.

If a cell is selectively reducing the concentration of a particular enzyme in the extracellular fluid it will likely utilize ________.

Figure 3.2 Using Figure 3.2, match the following: -Integral protein.

DNA transcription is another word for DNA replication.

Figure 3.1 Using Figure 3.1, match the following: -Site of synthesis of lipid and steroid molecules.

A patient was admitted to the hospital for severe dehydration.Explain what changes occur in extracellular and intracellular fluid compartments during dehydration.

Match the following: -May be attached to the ER or scattered in the cytoplasm.

Colchicine is a drug that can prevent the formation of microtubules.Which is the most likely affect colchicine would have on cell division?

The genetic information encoded in DNA by the regular alternation of sugar and phosphate molecules.

Briefly name the subphases of interphase and tell what they do.

Describe the events that take place within the Golgi apparatus to a protein that is destined for secretion by the cell into the extracellular fluid.

Which of the following is not a factor that binds cells together?

Match the following: -Produced in the nucleus,this molecule specifies the exact sequence of amino acids of the protein to be made.

The Human Body: an Orientation

Chemistry Comes Alive

Tissue: the Living Fabric

The Integumentary System

Bones and Skeletal Tissue

The Skeleton

Joints

Muscles and Muscle Tissue

The Muscular System

Fundamentals of the Nervous System and Nervous Tissue

The Central Nervous System

The Peripheral Nervous System and Reflex Activity

The Autonomic Nervous System

The Special Senses

The Endocrine System

Blood

The Cardiovascular System: the Heart

The Cardiovascular System: Blood Vessels

The Lymphatic System and Lymphoid Organs and Tissues

The Immune System: Innate and Adaptive Body Defenses

The Respiratory System

The Digestive System

Nutrition,metabolism,and Body Temperature Regulation

The Urinary System

Fluid,electrolyte,and Acid-Base Balance

The Reproductive System

Pregnancy and Human Development

Heredity

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