Question 1

Which of the following statements concerning complete oxidation of glucose is true?

Accepted Answer

A) Carbon dioxide is not released 
B) Oxygen is released 
C) Oxygen is used during the Krebs cycle reactions 
D) Carbon dioxide is released during the Krebs cycle reactions 
E) None of the choices are true 
A) Carbon dioxide is not released 
B) Oxygen is released 
C) Oxygen is used during the Krebs cycle reactions 
D) Carbon dioxide is released during the Krebs cycle reactions 
E) None of the choices are true

Question 2

Proteins destined to become integral membrane proteins have a signal sequence.

Accepted Answer

A) True 
 B)False

Question 3

Oxidative phosphorylation

Accepted Answer

A) Requires the presence of unoccupied coenzymes 
B) Requires phosphorylated organic molecules 
C) Produces the great majority of useable energy for cell functions 
D) Both requires the presence of unoccupied coenzymes and produces the great majority of useable energy for cell functions are correct 
E) Both requires phosphorylated organic molecules and produces the great majority of useable energy for cell functions are correct 
A) Requires the presence of unoccupied coenzymes 
B) Requires phosphorylated organic molecules 
C) Produces the great majority of useable energy for cell functions 
D) Both requires the presence of unoccupied coenzymes and produces the great majority of useable energy for cell functions are correct 
E) Both requires phosphorylated organic molecules and produces the great majority of useable energy for cell functions are correct

Question 4

The major waste product of metabolism is H2O.

Accepted Answer

A) True 
 B)False

Question 5

Assume the base sequence T-A-C-C-C-A-A-A-A-C-A-T is the beginning of a gene.How many code words are there in the sequence? _______

Accepted Answer

The answer of Assume the base sequence T-A-C-C-C-A-A-A-A-C-A-T is the...

Question 6

In the absence of oxygen,cells can derive energy to form ATP from the metabolism of fatty acids.

Accepted Answer

A) True 
 B)False

Question 7

Carbohydrate chains can be added to glycoproteins by the

Accepted Answer

A) Golgi apparatus 
B) Smooth endoplasmic reticulum 
C) Nucleus 
D) Lysosomes 
E) Mitochondria 
A) Golgi apparatus 
B) Smooth endoplasmic reticulum 
C) Nucleus 
D) Lysosomes 
E) Mitochondria

Question 8

The series of reactions that result in ATP formation in the absence of oxygen is called _________________.

Accepted Answer

anaerobic

Question 9

Which organelles would you expect to be especially numerous in cells that expend a great deal of energy in the form of ATP?

Accepted Answer

A) Peroxisomes 
B) Endosomes 
C) Lysosomes 
D) Ribosomes 
E) Mitochondria 
A) Peroxisomes 
B) Endosomes 
C) Lysosomes 
D) Ribosomes 
E) Mitochondria

Question 10

Cell A is a gland cell that makes and secretes proteins.Cell B is another type of cell that synthesizes and secretes steroids.If you were to look at electron micrographs of the two cells,what differences would you expect to see?

Accepted Answer

A) Cell A would have more granular endoplasmic reticulum than cell B 
B) Cell A would have fewer secretion granules than cell B 
C) Cell A would have more agranular endoplasmic reticulum than cell B 
D) Both cell A would have more granular endoplasmic reticulum than cell B and cell A would have fewer secretion granules than cell B are correct 
E) Both cell A would have more granular endoplasmic reticulum than cell B and cell A would have more agranular endoplasmic reticulum than cell B are correct 
A) Cell A would have more granular endoplasmic reticulum than cell B 
B) Cell A would have fewer secretion granules than cell B 
C) Cell A would have more agranular endoplasmic reticulum than cell B 
D) Both cell A would have more granular endoplasmic reticulum than cell B and cell A would have fewer secretion granules than cell B are correct 
E) Both cell A would have more granular endoplasmic reticulum than cell B and cell A would have more agranular endoplasmic reticulum than cell B are correct

Question 11

Peripheral membrane proteins are involved in regulating cell shape and motility.

Accepted Answer

A) True 
 B)False

Question 12

Desmosomes represent a type of cell to cell connection resembling a rivet

Accepted Answer

A) Well suited to locations in the body where considerable stresses due to stretching are likely to occur 
B) Which is enhanced by proteins that extend from the cell into the extracellular space 
C) That can be strengthened by keratin filaments that extend to interior cell structures 
D) Both well suited to locations in the body where considerable stresses due to stretching are likely to occur and which is enhanced by proteins that extend from the cell into the extracellular space are correct 
E) All of these choices are correct 
A) Well suited to locations in the body where considerable stresses due to stretching are likely to occur 
B) Which is enhanced by proteins that extend from the cell into the extracellular space 
C) That can be strengthened by keratin filaments that extend to interior cell structures 
D) Both well suited to locations in the body where considerable stresses due to stretching are likely to occur and which is enhanced by proteins that extend from the cell into the extracellular space are correct 
E) All of these choices are correct

Question 13

During oxidative phosphorylation,hydrogen atoms are passed serially from a coenzyme down a chain of molecules called cytochromes.

Accepted Answer

A) True 
 B)False

Question 14

Protein kinases

Accepted Answer

A) Add phosphate groups to proteins 
B) Produce effects similar to allosteric modulation 
C) Perform the opposite function as phosphatases 
D) Use ATP to carry out their reactions 
E) Do all of the choices 
A) Add phosphate groups to proteins 
B) Produce effects similar to allosteric modulation 
C) Perform the opposite function as phosphatases 
D) Use ATP to carry out their reactions 
E) Do all of the choices

Question 15

Transcription factors activate or repress the transcription of specific genes by binding to regions of DNA that interact with the promoter region of a gene.

Accepted Answer

A) True 
 B)False

Question 16

Consider the reaction: H2CO3 $\rightarrow$ CO2 + H2O + 4 kcal/mol Which of the following statements is true?

Accepted Answer

A) The reaction is anabolic 
B) The reaction is catabolic 
C) The energy content of the reactants is greater than the energy content of the products 
D) Both the reaction is anabolic and the energy content of the reactants is greater than the energy content of the products are correct 
E) Both the reaction is catabolic and the energy content of the reactants is greater than the energy content of the products are correct 
A) The reaction is anabolic 
B) The reaction is catabolic 
C) The energy content of the reactants is greater than the energy content of the products 
D) Both the reaction is anabolic and the energy content of the reactants is greater than the energy content of the products are correct 
E) Both the reaction is catabolic and the energy content of the reactants is greater than the energy content of the products are correct

Question 17

The signal sequence of a protein is

Accepted Answer

A) The amino acid sequence of the binding site of the protein 
B) The sequence that targets a protein for packaging in the granular endoplasmic reticulum 
C) Usually cleaved in the Golgi apparatus 
D) The amino acid sequence of the binding site of the protein and usually cleaved in the Golgi apparatus 
E) The sequence that targets a protein for packaging in the granular endoplasmic reticulum and usually cleaved in the Golgi apparatus 
A) The amino acid sequence of the binding site of the protein 
B) The sequence that targets a protein for packaging in the granular endoplasmic reticulum 
C) Usually cleaved in the Golgi apparatus 
D) The amino acid sequence of the binding site of the protein and usually cleaved in the Golgi apparatus 
E) The sequence that targets a protein for packaging in the granular endoplasmic reticulum and usually cleaved in the Golgi apparatus

Question 18

Neurons have a very prominent nucleolus which indicates that they are actively

Accepted Answer

A) Making ATP 
B) Synthesizing lipids 
C) Manufacturing ribosomes 
D) Breaking down carbohydrates 
E) Dividing by mitosis 
A) Making ATP 
B) Synthesizing lipids 
C) Manufacturing ribosomes 
D) Breaking down carbohydrates 
E) Dividing by mitosis

Question 19

Are very specific describes

Accepted Answer

A) Protein kinases 
B) Phosphoprotein phosphatases 
C) Both protein kinases and phosphoprotein phosphatases 
D) Neither protein kinases nor phosphoprotein phosphatases 
A) Protein kinases 
B) Phosphoprotein phosphatases 
C) Both protein kinases and phosphoprotein phosphatases 
D) Neither protein kinases nor phosphoprotein phosphatases

Question 20

Desmosomes are structures that permit direct communication between cells by allowing the cells to exchange small molecules in their cytoplasms.

Accepted Answer

A) True 
 B)False

Which of the following statements concerning complete oxidation of glucose is true?

Proteins destined to become integral membrane proteins have a signal sequence.

Oxidative phosphorylation

The major waste product of metabolism is H₂O.

Assume the base sequence T-A-C-C-C-A-A-A-A-C-A-T is the beginning of a gene.How many code words are there in the sequence? _______

In the absence of oxygen,cells can derive energy to form ATP from the metabolism of fatty acids.

Carbohydrate chains can be added to glycoproteins by the

The series of reactions that result in ATP formation in the absence of oxygen is called _________________.

Which organelles would you expect to be especially numerous in cells that expend a great deal of energy in the form of ATP?

Cell A is a gland cell that makes and secretes proteins.Cell B is another type of cell that synthesizes and secretes steroids.If you were to look at electron micrographs of the two cells,what differences would you expect to see?

Peripheral membrane proteins are involved in regulating cell shape and motility.

Desmosomes represent a type of cell to cell connection resembling a rivet

During oxidative phosphorylation,hydrogen atoms are passed serially from a coenzyme down a chain of molecules called cytochromes.

Protein kinases

Transcription factors activate or repress the transcription of specific genes by binding to regions of DNA that interact with the promoter region of a gene.

Consider the reaction: H₂CO₃ $\rightarrow$ CO₂ + H₂O + 4 kcal/mol Which of the following statements is true?

The signal sequence of a protein is

Neurons have a very prominent nucleolus which indicates that they are actively

Are very specific describes

Desmosomes are structures that permit direct communication between cells by allowing the cells to exchange small molecules in their cytoplasms.

Homeostasis: a Framework for Human Physiology

Chemical Composition of the Body

Movement of Molecules Across Cell Membranes

Control of Cells by Chemical Messengers

Neuronal Signaling and the Structure of the Nervous System

Sensory Physiology

Consciousness, the Brain, and Behavior

Muscle

Control of Body Movement

The Endocrine System

Cardiovascular Physiology

Respiratory Physiology

The Kidneys and Regulation of Water and Inorganic Ions

The Digestion and Absorption of Food

Regulation of Organic Metabolism and Energy Balance

Reproduction

The Immune System

Medical Physiology: Integration Using Clinical Cases

Filters

Exam 3: Cellular Structure, Proteins, and Metabolism

Which of the following statements concerning complete oxidation of glucose is true?

Proteins destined to become integral membrane proteins have a signal sequence.

Oxidative phosphorylation

The major waste product of metabolism is H2O.

Assume the base sequence T-A-C-C-C-A-A-A-A-C-A-T is the beginning of a gene.How many code words are there in the sequence? _______

In the absence of oxygen,cells can derive energy to form ATP from the metabolism of fatty acids.

Carbohydrate chains can be added to glycoproteins by the

The series of reactions that result in ATP formation in the absence of oxygen is called _________________.

Which organelles would you expect to be especially numerous in cells that expend a great deal of energy in the form of ATP?

Cell A is a gland cell that makes and secretes proteins.Cell B is another type of cell that synthesizes and secretes steroids.If you were to look at electron micrographs of the two cells,what differences would you expect to see?

Peripheral membrane proteins are involved in regulating cell shape and motility.

Desmosomes represent a type of cell to cell connection resembling a rivet

During oxidative phosphorylation,hydrogen atoms are passed serially from a coenzyme down a chain of molecules called cytochromes.

Protein kinases

Transcription factors activate or repress the transcription of specific genes by binding to regions of DNA that interact with the promoter region of a gene.

Consider the reaction: H2CO3 →\rightarrow→ CO2 + H2O + 4 kcal/mol Which of the following statements is true?

The signal sequence of a protein is

Neurons have a very prominent nucleolus which indicates that they are actively

Are very specific describes

Desmosomes are structures that permit direct communication between cells by allowing the cells to exchange small molecules in their cytoplasms.

Homeostasis: a Framework for Human Physiology

Chemical Composition of the Body

Movement of Molecules Across Cell Membranes

Control of Cells by Chemical Messengers

Neuronal Signaling and the Structure of the Nervous System

Sensory Physiology

Consciousness, the Brain, and Behavior

Muscle

Control of Body Movement

The Endocrine System

Cardiovascular Physiology

Respiratory Physiology

The Kidneys and Regulation of Water and Inorganic Ions

The Digestion and Absorption of Food

Regulation of Organic Metabolism and Energy Balance

Reproduction

The Immune System

Medical Physiology: Integration Using Clinical Cases

Filters

The major waste product of metabolism is H₂O.

Consider the reaction: H₂CO₃ $\rightarrow$ CO₂ + H₂O + 4 kcal/mol Which of the following statements is true?