Question 1

What are the tRNA binding sites on the ribosome called?

Accepted Answer

A) proteogenic sites 
B) nucleotide complement sites 
C) A and P sites 
D) T and R sites 
E) translation sites 
A) proteogenic sites 
B) nucleotide complement sites 
C) A and P sites 
D) T and R sites 
E) translation sites

Question 2

Which of the following molecules is a disaccharide?

Accepted Answer

A) galactose 
B) glycogen 
C) glucose 
D) lactose 
E) fructose 
A) galactose 
B) glycogen 
C) glucose 
D) lactose 
E) fructose

Question 3

The bulk of ATP production is performed where?

Accepted Answer

A) smooth endoplasmic reticulum 
B) lysosomes 
C) mitochondria 
D) Golgi apparatus 
E) peroxisomes 
A) smooth endoplasmic reticulum 
B) lysosomes 
C) mitochondria 
D) Golgi apparatus 
E) peroxisomes

Question 4

Hydrolytic reactions are when

Accepted Answer

A) two molecules are joined together, resulting in the removal of a water molecule. 
B) two molecules are joined together by adding a water molecule. 
C) the bond between two molecules is broken through the splitting of a water molecule, thereby creating two new bonds with the H and OH of that water in its place. 
D) water is removed from the cell. 
E) the bond between two molecules is broken, resulting in the removal of a water molecule. 
A) two molecules are joined together, resulting in the removal of a water molecule. 
B) two molecules are joined together by adding a water molecule. 
C) the bond between two molecules is broken through the splitting of a water molecule, thereby creating two new bonds with the H and OH of that water in its place. 
D) water is removed from the cell. 
E) the bond between two molecules is broken, resulting in the removal of a water molecule.

Question 5

Formation of peptide bonds occurs by condensation reactions between the _ group of one amino acid and the _ group of another.

Accepted Answer

A) carboxyl : amino acid amino 
B) fatty acid : glycerol 
C) amino acid : amino acid 
D) glucose : glucose 
A) carboxyl : amino acid amino 
B) fatty acid : glycerol 
C) amino acid : amino acid 
D) glucose : glucose

Question 6

Inclusions are intracellular stores of glycogen or triglycerides.

Accepted Answer

A) True 
 B)False

Question 7

What is the proper order of the five phases of mitosis?

Accepted Answer

A) prophase, prometaphase, metaphase, anaphase, telophase 
B) interphase, prophase, prometaphase, metaphase, telophase 
C) prophase, prometaphase, anaphase, metaphase, telophase 
D) prophase, interphase, metaphase, anaphase, telophase 
E) prophase, metaphase, anaphase, protelophase, telophase 
A) prophase, prometaphase, metaphase, anaphase, telophase 
B) interphase, prophase, prometaphase, metaphase, telophase 
C) prophase, prometaphase, anaphase, metaphase, telophase 
D) prophase, interphase, metaphase, anaphase, telophase 
E) prophase, metaphase, anaphase, protelophase, telophase

Question 8

When proteins are synthesized by ribosomes on the rough endoplasmic reticulum, where does the translation begin?

Accepted Answer

A) smooth endoplasmic reticulum 
B) rough endoplasmic reticulum 
C) nucleus 
D) cytosol 
E) Golgi apparatus 
A) smooth endoplasmic reticulum 
B) rough endoplasmic reticulum 
C) nucleus 
D) cytosol 
E) Golgi apparatus

Question 9

What two structural characteristics of proteins are formed by hydrogen bonds between the carboxyl O and the amino H of amino acids within the same protein?

Accepted Answer

A) strength : resilience 
B) a- helices : fi- pleated sheets 
C) flexibility : shear resistance 
D) fibrous : globular 
E) double helix : folded sheets 
A) strength : resilience 
B) a- helices : fi- pleated sheets 
C) flexibility : shear resistance 
D) fibrous : globular 
E) double helix : folded sheets

Question 10

What is a glycerol with 3 fatty acids attached?

Accepted Answer

A) eicosanoid 
B) triglyceride 
C) phospholipid 
D) glycerolipid 
E) saturated fat 
A) eicosanoid 
B) triglyceride 
C) phospholipid 
D) glycerolipid 
E) saturated fat

Question 11

Microtubules are dynamic structures in that they may form and disassemble repeatedly in a cell.

Accepted Answer

A) True 
 B)False

Question 12

Aspirin and ibuprofen both block the enzyme cyclooxygenase from changing arachidonic acid, found in the phospholipid bilayer, into what?

Accepted Answer

A) surfactant 
B) prostaglandins 
C) bile salts 
D) sterols 
E) leukotrienes 
A) surfactant 
B) prostaglandins 
C) bile salts 
D) sterols 
E) leukotrienes

Question 13

are molecules composed of a glycerol and three fatty acids.

Accepted Answer

A) Eicosanoids 
B) Phospholipids 
C) Triglycerides 
D) Saturated fatty acids 
E) Steroids 
A) Eicosanoids 
B) Phospholipids 
C) Triglycerides 
D) Saturated fatty acids 
E) Steroids

Question 14

The initiator codon is composed of the sequence

Accepted Answer

A) AUG. 
B) CCC. 
C) UUG. 
D) CCG. 
E) AAC. 
A) AUG. 
B) CCC. 
C) UUG. 
D) CCG. 
E) AAC.

Question 15

During transcription,

Accepted Answer

A) RNA is synthesized from DNA in the nucleus. 
B) protein is synthesized from RNA in the nucleus. 
C) DNA is synthesized from DNA in the nucleus. 
D) protein is synthesized from RNA in the cytoplasm. 
E) RNA is synthesized from DNA in the cytoplasm. 
A) RNA is synthesized from DNA in the nucleus. 
B) protein is synthesized from RNA in the nucleus. 
C) DNA is synthesized from DNA in the nucleus. 
D) protein is synthesized from RNA in the cytoplasm. 
E) RNA is synthesized from DNA in the cytoplasm.

Question 16

What interaction between complementary bases holds the two strands of a DNA molecule together?

Accepted Answer

A) disulfide bridges 
B) van der Waals forces 
C) hydrogen bonds 
D) ionic bonds 
E) covalent bonds 
A) disulfide bridges 
B) van der Waals forces 
C) hydrogen bonds 
D) ionic bonds 
E) covalent bonds

Question 17

The anticodon is complementary to the triplet coding for a particular amino acid.

Accepted Answer

A) True 
 B)False

Question 18

Through what structure in the nucleus can mRNA pass through to get into the cytosol?

Accepted Answer

A) nucleolus 
B) nuclear envelope 
C) plasma membrane 
D) nuclear pore 
E) matrix 
A) nucleolus 
B) nuclear envelope 
C) plasma membrane 
D) nuclear pore 
E) matrix

Question 19

What is the layer of carbohydrates on the external surface of a cell called?

Accepted Answer

A) desmosome 
B) inclusion 
C) glycocalyx 
D) glycogen 
E) glycolysis 
A) desmosome 
B) inclusion 
C) glycocalyx 
D) glycogen 
E) glycolysis

Question 20

All of the following are basic components of proteins EXCEPT

Accepted Answer

A) nitrogen. 
B) oxygen. 
C) hydrogen. 
D) carbon. 
E) potassium. 
A) nitrogen. 
B) oxygen. 
C) hydrogen. 
D) carbon. 
E) potassium.

Exam 2: The Cell: Structure and Function

What are the tRNA binding sites on the ribosome called?

Which of the following molecules is a disaccharide?

The bulk of ATP production is performed where?

Hydrolytic reactions are when

Formation of peptide bonds occurs by condensation reactions between the _ group of one amino acid and the _ group of another.

Inclusions are intracellular stores of glycogen or triglycerides.

What is the proper order of the five phases of mitosis?

When proteins are synthesized by ribosomes on the rough endoplasmic reticulum, where does the translation begin?

What two structural characteristics of proteins are formed by hydrogen bonds between the carboxyl O and the amino H of amino acids within the same protein?

What is a glycerol with 3 fatty acids attached?

Microtubules are dynamic structures in that they may form and disassemble repeatedly in a cell.

Aspirin and ibuprofen both block the enzyme cyclooxygenase from changing arachidonic acid, found in the phospholipid bilayer, into what?

are molecules composed of a glycerol and three fatty acids.

The initiator codon is composed of the sequence

During transcription,

What interaction between complementary bases holds the two strands of a DNA molecule together?

The anticodon is complementary to the triplet coding for a particular amino acid.

Through what structure in the nucleus can mRNA pass through to get into the cytosol?

What is the layer of carbohydrates on the external surface of a cell called?

All of the following are basic components of proteins EXCEPT

Introduction to Physiology

Cell Metabolism

Cell Membrane Transport

Chemical Messengers

The Endocrine System: Endocrine Glands and Hormone Actions

Nerve Cells and Electrical Signaling

Synaptic Transmission and Neural Integration

The Nervous System: Central Nervous System

The Nervous System: Sensory Systems

The Nervous System: Autonomic and Motor Systems

Muscle Physiology

The Cardiovascular System: Cardiac Function

The Cardiovascular System: Blood Vessels, Blood Flow, and Blood Pressure

The Cardiovascular System: Blood

The Respiratory System: Pulmonary Ventilation

The Respiratory System: Gas Exchange and the Regulation of Breathing

The Urinary System: Renal Function

The Urinary System: Fluid and Electrolyte Balance

The Gastrointestinal System

The Endocrine System: Regulation of Energy Metabolism and Growth

The Reproductive System

The Immune System

Diabetes Mellitus

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