Question 1

The genetic code

Accepted Answer

A) Consists of one code word for each amino acid 
B) Is the same for all cells 
C) Is the same for all organisms 
D) Is the same for all cells and is the same for all organisms 
E) All of the choices are correct 
A) Consists of one code word for each amino acid 
B) Is the same for all cells 
C) Is the same for all organisms 
D) Is the same for all cells and is the same for all organisms 
E) All of the choices are correct

Question 2

Which of the following metabolic pathways does not require oxygen?

Accepted Answer

A) Glycolysis 
B) Oxidative phosphorylation 
C) Krebs cycle 
D) The breakdown of fatty acids to CO2 and H2O 
E) None of the choices are correct 
A) Glycolysis 
B) Oxidative phosphorylation 
C) Krebs cycle 
D) The breakdown of fatty acids to CO2 and H2O 
E) None of the choices are correct

Question 3

The special functions of plasma and organelle membranes depend primarily on the specific composition of the phospholipids of those membranes.

Accepted Answer

A) True 
 B)False

Question 4

Cell membranes

Accepted Answer

A) Are components of the cytosol 
B) Are passive barriers against the passage of molecules from one side to the other 
C) Consist primarily of protein and carbohydrate 
D) Consist primarily of phospholipids and protein 
E) Both are passive barriers against the passage of molecules from one side to the other and consist primarily of protein and carbohydrate are correct 
A) Are components of the cytosol 
B) Are passive barriers against the passage of molecules from one side to the other 
C) Consist primarily of protein and carbohydrate 
D) Consist primarily of phospholipids and protein 
E) Both are passive barriers against the passage of molecules from one side to the other and consist primarily of protein and carbohydrate are correct

Question 5

The central dogma of molecular biology states that the flow of genetic information is _______.

Accepted Answer

from DNA t

Question 6

Which of the following is not true regarding cell membrane junctions?

Accepted Answer

A) Tight junctions anchor cells to basement membranes in tissues that are subjected to stretch 
B) Desmosomes anchor adjacent cells together 
C) Gap junctions seal spaces between cells and control permeability across epithelial membranes 
D) Both tight junctions anchor cells to basement membranes in tissues that are subjected to stretch and desmosomes anchor adjacent cells together are correct 
E) Both tight junctions anchor cells to basement membranes in tissues that are subjected to stretch and gap junctions seal spaces between cells and control permeability across epithelial membranes are correct 
A) Tight junctions anchor cells to basement membranes in tissues that are subjected to stretch 
B) Desmosomes anchor adjacent cells together 
C) Gap junctions seal spaces between cells and control permeability across epithelial membranes 
D) Both tight junctions anchor cells to basement membranes in tissues that are subjected to stretch and desmosomes anchor adjacent cells together are correct 
E) Both tight junctions anchor cells to basement membranes in tissues that are subjected to stretch and gap junctions seal spaces between cells and control permeability across epithelial membranes are correct

Question 7

When a chemical reaction is at equilibrium

Accepted Answer

A) The rate of the reaction in one direction is equal to the rate in the reverse direction 
B) The concentration of the reactants is equal to the concentration of the products 
C) The ratio of reactants to products varies according to the amount of energy released in one direction 
D) The rate of the reaction in one direction is equal to the rate in the reverse direction and the concentration of the reactants is equal to the concentration of the products occur 
E) The rate of the reaction in one direction is equal to the rate in the reverse direction and the ratio of reactants to products varies according to the amount of energy released in one direction occur 
A) The rate of the reaction in one direction is equal to the rate in the reverse direction 
B) The concentration of the reactants is equal to the concentration of the products 
C) The ratio of reactants to products varies according to the amount of energy released in one direction 
D) The rate of the reaction in one direction is equal to the rate in the reverse direction and the concentration of the reactants is equal to the concentration of the products occur 
E) The rate of the reaction in one direction is equal to the rate in the reverse direction and the ratio of reactants to products varies according to the amount of energy released in one direction occur

Question 8

Most of the energy stored in the body is in the form of glycogen.

Accepted Answer

A) True 
 B)False

Question 9

Are continuously active 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 10

A certain protein receptor is capable of binding the neurotransmitter epinephrine but does not bind to the neurotransmitters dopamine,glutamate or serotonin.This is because the receptor displays

Accepted Answer

A) Saturation 
B) Inhibition 
C) Specificity 
D) Acclimatization 
E) All of the choices are correct 
A) Saturation 
B) Inhibition 
C) Specificity 
D) Acclimatization 
E) All of the choices are correct

Question 11

The term "allosteric modulation" refers to

Accepted Answer

A) Regulation of physiological functions by the sympathetic division of the autonomic nervous system 
B) Modification of the functional state of a protein by temperature or pH 
C) The change in the shape and functional state of a protein that occurs when a ligand binds to a receptor site 
D) The fact that all of the receptors must be occupied to have a biological effect 
E) All of the choices are correct 
A) Regulation of physiological functions by the sympathetic division of the autonomic nervous system 
B) Modification of the functional state of a protein by temperature or pH 
C) The change in the shape and functional state of a protein that occurs when a ligand binds to a receptor site 
D) The fact that all of the receptors must be occupied to have a biological effect 
E) All of the choices are correct

Question 12

Any given protein contains binding sites for only one kind of ligand.

Accepted Answer

A) True 
 B)False

Question 13

The first step in glycogen synthesis is the phosphorylation of glucose.

Accepted Answer

A) True 
 B)False

Question 14

At equilibrium,in an irreversible reaction

Accepted Answer

A) Almost all of the reactants will have been converted to products 
B) There will be an equal number of products and reactants 
C) There will be very few molecules of product 
D) Small amounts of energy will have been released 
E) There will be an equal number of products and reactants and small amounts of energy will have been released will occur 
A) Almost all of the reactants will have been converted to products 
B) There will be an equal number of products and reactants 
C) There will be very few molecules of product 
D) Small amounts of energy will have been released 
E) There will be an equal number of products and reactants and small amounts of energy will have been released will occur

Question 15

With respect to the genetic language,of how many letters are the words composed? _______

Accepted Answer

The answer of With respect to the genetic language,of how...

Question 16

ATP as substrate 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 17

During anaerobic glycolysis,a net of two molecules of ATP are generated for each molecule of glucose broken down.

Accepted Answer

A) True 
 B)False

Question 18

Ammonia is

Accepted Answer

A) A waste product of fatty acid metabolism 
B) Excreted by the kidneys into urine 
C) Processed by the liver to form a less toxic compound 
D) A waste product of fatty acid metabolism and excreted by the kidneys into urine 
E) None of the choices are correct 
A) A waste product of fatty acid metabolism 
B) Excreted by the kidneys into urine 
C) Processed by the liver to form a less toxic compound 
D) A waste product of fatty acid metabolism and excreted by the kidneys into urine 
E) None of the choices are correct

Question 19

Functions of agranular endoplasmic reticulum include

Accepted Answer

A) Synthesis of proteins for use in the cell 
B) Synthesis of steroids 
C) Storage of intracellular calcium ion 
D) Synthesis of proteins for use in the cell and storage of intracellular calcium ion 
E) Synthesis of steroids and storage of intracellular calcium ion 
A) Synthesis of proteins for use in the cell 
B) Synthesis of steroids 
C) Storage of intracellular calcium ion 
D) Synthesis of proteins for use in the cell and storage of intracellular calcium ion 
E) Synthesis of steroids and storage of intracellular calcium ion

Question 20

Coenzymes are organic cofactors.

Accepted Answer

A) True 
 B)False

The genetic code

Which of the following metabolic pathways does not require oxygen?

The special functions of plasma and organelle membranes depend primarily on the specific composition of the phospholipids of those membranes.

Cell membranes

The central dogma of molecular biology states that the flow of genetic information is _______.

Which of the following is not true regarding cell membrane junctions?

When a chemical reaction is at equilibrium

Most of the energy stored in the body is in the form of glycogen.

Are continuously active describes

A certain protein receptor is capable of binding the neurotransmitter epinephrine but does not bind to the neurotransmitters dopamine,glutamate or serotonin.This is because the receptor displays

The term "allosteric modulation" refers to

Any given protein contains binding sites for only one kind of ligand.

The first step in glycogen synthesis is the phosphorylation of glucose.

At equilibrium,in an irreversible reaction

With respect to the genetic language,of how many letters are the words composed? _______

ATP as substrate describes

During anaerobic glycolysis,a net of two molecules of ATP are generated for each molecule of glucose broken down.

Ammonia is

Functions of agranular endoplasmic reticulum include

Coenzymes are organic cofactors.

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

The genetic code

Which of the following metabolic pathways does not require oxygen?

The special functions of plasma and organelle membranes depend primarily on the specific composition of the phospholipids of those membranes.

Cell membranes

The central dogma of molecular biology states that the flow of genetic information is _______.

Which of the following is not true regarding cell membrane junctions?

When a chemical reaction is at equilibrium

Most of the energy stored in the body is in the form of glycogen.

Are continuously active describes

A certain protein receptor is capable of binding the neurotransmitter epinephrine but does not bind to the neurotransmitters dopamine,glutamate or serotonin.This is because the receptor displays

The term "allosteric modulation" refers to

Any given protein contains binding sites for only one kind of ligand.

The first step in glycogen synthesis is the phosphorylation of glucose.

At equilibrium,in an irreversible reaction

With respect to the genetic language,of how many letters are the words composed? _______

ATP as substrate describes

During anaerobic glycolysis,a net of two molecules of ATP are generated for each molecule of glucose broken down.

Ammonia is

Functions of agranular endoplasmic reticulum include

Coenzymes are organic cofactors.

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