Question 1

Which of the following was part of the vital force theory ?

Accepted Answer

A)  The compounds found in living things are just like those found in the non-living world. 
B)  The compounds found in living things are interesting, but can easily be produced in the laboratory. 
C)  The compounds found in living things can not be produced in the laboratory. 
A)  The compounds found in living things are just like those found in the non-living world. 
B)  The compounds found in living things are interesting, but can easily be produced in the laboratory. 
C)  The compounds found in living things can not be produced in the laboratory.

Question 2

All of the following bonds are important in biomolecules, except :

Accepted Answer

A)  C − Cl 
B)  C − H 
C)  C − N 
D)  O − H 
E)  O − P 
A)  C − Cl 
B)  C − H 
C)  C − N 
D)  O − H 
E)  O − P

Question 3

The synthesis of urea from ammonium cyanate.

Accepted Answer

A)  was a critical component of the Miller-Urey experiment. 
B)  requires a protein as a catalyst. 
C)  helped dispel the vital force theory. 
D)  supported the vital force theory. 
A)  was a critical component of the Miller-Urey experiment. 
B)  requires a protein as a catalyst. 
C)  helped dispel the vital force theory. 
D)  supported the vital force theory.

Question 4

The main difference between prokaryotic and eukaryotic cells is the existence of _____ in eukaryotes.

Accepted Answer

A)  the nucleus 
B)  ribosomes 
C)  DNA 
D)  RNA 
E)  cell walls 
A)  the nucleus 
B)  ribosomes 
C)  DNA 
D)  RNA 
E)  cell walls

Question 5

The following cellular component is the defining component of eukaryotic cells:

Accepted Answer

A)  Nucleus 
B)  Ribosomes 
C)  Chloroplasts 
D)  Mitochondria 
E)  Cell membranes 
A)  Nucleus 
B)  Ribosomes 
C)  Chloroplasts 
D)  Mitochondria 
E)  Cell membranes

Question 6

Which of the following is not a subcellular organelle?

Accepted Answer

A)  nucleus 
B)  mitochondrion 
C)  endoplasmic reticulum 
D)  cytoskeleton 
A)  nucleus 
B)  mitochondrion 
C)  endoplasmic reticulum 
D)  cytoskeleton

Question 7

Which of the following is NOT one of the primary simple molecules that scientists believe must have ultimately led to creating living things?

Accepted Answer

A)  ammonia 
B)  carbon dioxide 
C)  hydrogen 
D)  simple carbohydrates 
A)  ammonia 
B)  carbon dioxide 
C)  hydrogen 
D)  simple carbohydrates

Question 8

The heat of a reaction at constant pressure is

Accepted Answer

A)  its change in entropy. 
B)  its change in enthalpy. 
C)  its change in free energy. 
D)  its spontaneity. 
A)  its change in entropy. 
B)  its change in enthalpy. 
C)  its change in free energy. 
D)  its spontaneity.

Question 9

It is generally believed that the following gas was missing in the primordial atmosphere:

Accepted Answer

A)  H2 
B)  CO2 
C)  CH4 
D)  NH3 
E)  O2 
A)  H2 
B)  CO2 
C)  CH4 
D)  NH3 
E)  O2

Question 10

Match between columns
                        Premises: nucleotide
amino acid
monosaccharide

Accepted Answer

The Answer of nucleic acids and carbohydrate and proteins is...

Question 11

Explain the significance of functional groups in biochemistry.

Accepted Answer

Biomolecules have characteristic functio

Question 12

Which cell component does not have a double membrane?

Accepted Answer

A)  Nucleus 
B)  Lysosome 
C)  Rough Endoplasmic Reticulum 
D)  Chloroplast 
E)  Mitochondrion 
A)  Nucleus 
B)  Lysosome 
C)  Rough Endoplasmic Reticulum 
D)  Chloroplast 
E)  Mitochondrion

Question 13

Carbohydrates can be represented by a general formula of _____.

Accepted Answer

A)  R-CHn(NH2)-COOH 
B)  CH3(CH2)nCO2H 
C)  CnH2n-2 
D)  (CH2O)n 
A)  R-CHn(NH2)-COOH 
B)  CH3(CH2)nCO2H 
C)  CnH2n-2 
D)  (CH2O)n

Question 14

Which of the following statements regarding biopolymers is false?

Accepted Answer

A)  Different sequences of the monomers can lead to different functions. 
B)  Only soluble polymers can be created from soluble monomers. 
C)  A wide, almost uncountable variety of polymers can be created from just a few monomers. 
D)  Different linkages between the monomers can lead to different functions. 
E)  Biopolymers can fold up into complex shapes. 
A)  Different sequences of the monomers can lead to different functions. 
B)  Only soluble polymers can be created from soluble monomers. 
C)  A wide, almost uncountable variety of polymers can be created from just a few monomers. 
D)  Different linkages between the monomers can lead to different functions. 
E)  Biopolymers can fold up into complex shapes.

Question 15

In the Five Kingdom classification system, human beings would be considered

Accepted Answer

A)  animals. 
B)  protists. 
C)  monera. 
D)  fungi. 
E)  none of the above. 
A)  animals. 
B)  protists. 
C)  monera. 
D)  fungi. 
E)  none of the above.

Question 16

The presence of two anhydride linkages is an important feature of

Accepted Answer

A)  ATP 
B)  proteins 
C)  glucose 
D)  carbon monoxide 
A)  ATP 
B)  proteins 
C)  glucose 
D)  carbon monoxide

Question 17

According to thermodynamics, favored processes are

Accepted Answer

A)  ones that require energy. 
B)  ones that release energy. 
C)  oxidations. 
D)  reductions. 
A)  ones that require energy. 
B)  ones that release energy. 
C)  oxidations. 
D)  reductions.

Question 18

Ribosomes

Accepted Answer

A)  are the site of photosynthesis 
B)  are the site of protein synthesis 
C)  are never bound to membranes 
D)  cannot be seen in the electron microscope 
A)  are the site of photosynthesis 
B)  are the site of protein synthesis 
C)  are never bound to membranes 
D)  cannot be seen in the electron microscope

Question 19

Which of following provides evidence for the endosymbiotic theory describing the origin of mitochondria & chloroplasts?

Accepted Answer

A)  These organelles have their own nuclei. 
B)  These organelles have their own endoplasmic reticulum. 
C)  These organelles have their own lysosomes. 
D)  These organelles have their own DNA. 
A)  These organelles have their own nuclei. 
B)  These organelles have their own endoplasmic reticulum. 
C)  These organelles have their own lysosomes. 
D)  These organelles have their own DNA.

Question 20

Which of the following is\are true?

Accepted Answer

A)  The hydrolysis of ATP releases energy. 
B)  Favorable reactions are always fast. 
C)  The hydrolysis of ATP requires the input of oxygen 
D)  The hydrolysis of ATP yields more energy per molecule than the reaction of any other compound 
A)  The hydrolysis of ATP releases energy. 
B)  Favorable reactions are always fast. 
C)  The hydrolysis of ATP requires the input of oxygen 
D)  The hydrolysis of ATP yields more energy per molecule than the reaction of any other compound

Exam 1: Biochemistry and the Organization of Cells

Which of the following was part of the vital force theory ?

All of the following bonds are important in biomolecules, except :

The synthesis of urea from ammonium cyanate.

The main difference between prokaryotic and eukaryotic cells is the existence of _____ in eukaryotes.

The following cellular component is the defining component of eukaryotic cells:

Which of the following is not a subcellular organelle?

Which of the following is NOT one of the primary simple molecules that scientists believe must have ultimately led to creating living things?

The heat of a reaction at constant pressure is

It is generally believed that the following gas was missing in the primordial atmosphere:

Explain the significance of functional groups in biochemistry.

Which cell component does not have a double membrane?

Carbohydrates can be represented by a general formula of _____.

Which of the following statements regarding biopolymers is false?

In the Five Kingdom classification system, human beings would be considered

The presence of two anhydride linkages is an important feature of

According to thermodynamics, favored processes are

Ribosomes

Which of following provides evidence for the endosymbiotic theory describing the origin of mitochondria & chloroplasts?

Which of the following is\are true?

Water the Solvent for Biochemical Reactions

Amino Acids and Peptides

The Three Dimensional Structure of Proteins

Protein Purification and Characterization Techniques

The Behavior of Proteins Enzymes

The Behavior of Proteins Enzymes Mechanisms and Control

Lipids and Proteins Are Associated in Biological Membranes

Nucleic Acids How Structure Conveys Information

Biosynthesis of Nucleic Acids Replication

Transcription of the Genetic Code the Biosynthesis of Rna

Protein Synthesis Translation of the Genetic Message

Nucleic Acid Biotechnology Techniques

Viruses Cancer and Immunology

The Importance of Energy Changes and Electron Transfer in Metabolism

Carbohydrates

Glycolysis

Storage Mechanisms and Control in Carbohydrate Metabolism

The Citric Acid Cycle

Electron Transport and Oxidative Phosphorylation

Lipid Metabolism

Photosynthesis

The Metabolism of Nitrogen

Integration of Metabolism Cellular Signaling

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