Question 1

________ is a biochemical technique that allows one to separate biological molecules based on size,shape,and/or affinity for specific molecules or functional groups.

Accepted Answer

The answer of ________ is a biochemical technique that allows...

Question 2

Gregor Mendel was most influential in which field of biology?

Accepted Answer

A) genetics 
B) chromatography 
C) biochemistry 
D) prokaryotic transformation 
E) cytology 
A) genetics 
B) chromatography 
C) biochemistry 
D) prokaryotic transformation 
E) cytology

Question 3

You are studying the response of macrophages infected with the intracellular bacterium  Brucella ,specifically by examining which gene products are being expressed.You would be studying the macrophage ________ to obtain this information.

Accepted Answer

A) proteome 
B) genome 
C) transciptome 
D) amplicon 
E) metabolome 
A) proteome 
B) genome 
C) transciptome 
D) amplicon 
E) metabolome

Question 4

Which of the following is mismatched?

Accepted Answer

A)  Escherichia coli  - genetics 
B)  Drosophila melanogaster  - embryogenesis 
C)  Mus musculus  - immunology 
D)  Caenorhabditis elegans  - photosynthesis 
E)  Arabidopsis thaliana  - plant gene function 
A)  Escherichia coli  - genetics 
B)  Drosophila melanogaster  - embryogenesis 
C)  Mus musculus  - immunology 
D)  Caenorhabditis elegans  - photosynthesis 
E)  Arabidopsis thaliana  - plant gene function

Question 5

To which of the following do Mendel's observations relate?

Accepted Answer

A) thermodynamics 
B) gravity 
C) ideal gas laws 
D) heredity 
E) diffusion 
A) thermodynamics 
B) gravity 
C) ideal gas laws 
D) heredity 
E) diffusion

Question 6

The outcome of the joining of cytology and biochemistry yielded a better understanding of the cell by

Accepted Answer

A) identification of cellular structures. 
B) identification of cellular biochemical pathways. 
C) creating bioinformatics. 
D) identification of cellular structures and biochemical pathways. 
E) identification of biochemical pathways and creating bioinformatics. 
A) identification of cellular structures. 
B) identification of cellular biochemical pathways. 
C) creating bioinformatics. 
D) identification of cellular structures and biochemical pathways. 
E) identification of biochemical pathways and creating bioinformatics.

Question 7

Glycolysis is also called the ________ pathway after the scientists who did most of the work to define it.

Accepted Answer

The answer of Glycolysis is also called the ________ pathway...

Question 8

Wöhler revolutionized biology through his demonstration that biological molecules are governed by the ordinary laws of physics and chemistry.He demonstrated this principle by

Accepted Answer

A) synthesizing urea in the laboratory from ammonium cyanate. 
B) developing techniques for isolating,purifying,and analyzing subcomponents of cells. 
C) defining the laws of heredity. 
D) discovering active agents in cell extracts that were specific biological catalysts that have since come to be called enzymes. 
E) inventing mass spectrometry which is commonly used to determine the size and composition of individual proteins. 
A) synthesizing urea in the laboratory from ammonium cyanate. 
B) developing techniques for isolating,purifying,and analyzing subcomponents of cells. 
C) defining the laws of heredity. 
D) discovering active agents in cell extracts that were specific biological catalysts that have since come to be called enzymes. 
E) inventing mass spectrometry which is commonly used to determine the size and composition of individual proteins.

Question 9

In 1880,Walther Flemming identified ________,threadlike bodies seen in dividing cells.

Accepted Answer

The answer of In 1880,Walther Flemming identified ________,threadlike bodies seen...

Question 10

________ synthesized urea in the laboratory from inorganic starting materials.Much of what is now called ________ dates from this discovery.

Accepted Answer

Friedrich

Question 11

Which of the following is an application of immunofluorescence microscopy?

Accepted Answer

A) Visualization of the natural fluorescence of a specimen under UV light. 
B) Identification of specific components of the immune system. 
C) Identifying which organelle or cellular compartment contains a particular protein. 
D) Visualization of the surface structures of a specimen. 
E) Construction of three-dimensional images of structures smaller than 10 nm. 
A) Visualization of the natural fluorescence of a specimen under UV light. 
B) Identification of specific components of the immune system. 
C) Identifying which organelle or cellular compartment contains a particular protein. 
D) Visualization of the surface structures of a specimen. 
E) Construction of three-dimensional images of structures smaller than 10 nm.

Question 12

A number of different types of microscopy exist.Each type of microscopy has advantages and disadvantages.Can you identify the microscope that would be most advantageous for the situations below?
a.A cell biologist wishes to visualize the ribosomes of a cell.
b.A microbiologist wishes to examine the motility of a bacterium.
c.An immunologist wishes to determine if a lymphocyte possesses a certain surface protein.
d.A virologist is trying to determine the three-dimensional shape of a virus.
e.A pathologist is trying to examine the cytoplasm of a cell for changes that result from viral infection.

Accepted Answer

(Answers may vary.)
a.Electron microscop

Question 13

Robert Hooke coined the term cell when studying thin slices of cork.These ________ were the first cells observed because ________.

Accepted Answer

A) dead plant cells; the thick cells walls did not require high resolution or magnification to view 
B) dead animal cells; they were immobile and did not need to be fixed before viewing 
C) compartments; they were actually the result of multiple cells that had merged and died to form large compartments that were easy to view 
D) immune cells; they produce antibodies that embed in the cell membrane to make it visible 
E) "little rooms"; they were 100 nm in diameter,much larger than most plant cells 
A) dead plant cells; the thick cells walls did not require high resolution or magnification to view 
B) dead animal cells; they were immobile and did not need to be fixed before viewing 
C) compartments; they were actually the result of multiple cells that had merged and died to form large compartments that were easy to view 
D) immune cells; they produce antibodies that embed in the cell membrane to make it visible 
E) "little rooms"; they were 100 nm in diameter,much larger than most plant cells

Question 14

Melvin Calvin and his colleagues used which of the following to deduce the steps in the Calvin cycle?

Accepted Answer

A) negative staining 
B) Drosophila melanogaster 
C) electron microscopy 
D) ultracentrifugation 
E) radioisotopes 
A) negative staining 
B) Drosophila melanogaster 
C) electron microscopy 
D) ultracentrifugation 
E) radioisotopes

Question 15

Once a scientific theory becomes a law,it

Accepted Answer

A) cannot be changed. 
B) cannot be challenged. 
C) becomes static. 
D) is subject to modification. 
E) is irrefutable. 
A) cannot be changed. 
B) cannot be challenged. 
C) becomes static. 
D) is subject to modification. 
E) is irrefutable.

Question 16

A microtome is used to

Accepted Answer

A) view microscopic organisms. 
B) slice thin sections of specimens. 
C) focus short wavelengths of light. 
D) manipulate tiny objects. 
E) dissect cellular organelles. 
A) view microscopic organisms. 
B) slice thin sections of specimens. 
C) focus short wavelengths of light. 
D) manipulate tiny objects. 
E) dissect cellular organelles.

________ is a biochemical technique that allows one to separate biological molecules based on size,shape,and/or affinity for specific molecules or functional groups.

Gregor Mendel was most influential in which field of biology?

You are studying the response of macrophages infected with the intracellular bacterium Brucella ,specifically by examining which gene products are being expressed.You would be studying the macrophage ________ to obtain this information.

Which of the following is mismatched?

To which of the following do Mendel's observations relate?

The outcome of the joining of cytology and biochemistry yielded a better understanding of the cell by

Glycolysis is also called the ________ pathway after the scientists who did most of the work to define it.

Wöhler revolutionized biology through his demonstration that biological molecules are governed by the ordinary laws of physics and chemistry.He demonstrated this principle by

In 1880,Walther Flemming identified ________,threadlike bodies seen in dividing cells.

synthesized urea in the laboratory from inorganic starting materials.Much of what is now called dates from this discovery.

Which of the following is an application of immunofluorescence microscopy?

Robert Hooke coined the term cell when studying thin slices of cork.These were the first cells observed because .

Melvin Calvin and his colleagues used which of the following to deduce the steps in the Calvin cycle?

Once a scientific theory becomes a law,it

A microtome is used to

The Chemistry of the Cell

The Macromolecules of the Cell

Cells and Organelles

Bioenergetics: the Flow of Energy in the Cell

Enzymes: the Catalysts of Life

Membranes: Their Structure,function,and Chemistry

Transport Across Membranes: Overcoming the Permeability Barrier

Chemotrophic Energy Metabolism: Glycolysis and Fermentation

Chemotrophic Energy Metabolism: Aerobic Respiration

Phototrophic Energy Metabolism: Photosynthesis

The Endomembrane System

Cytoskeletal Systems

Cellular Movement: Motility and Contractility

Beyond the Cell: Cell Adhesions, cell Junctions, and Extracellular Structures

The Structural Basis of Cellular Information: Dna, chromosomes, and the Nucleus

DNA Replication, repair, and Recombination

Gene Expression: Ithe Genetic Code and Transcription

Gene Expression: Iiprotein Synthesis and Sorting

The Regulation of Gene Expression

Molecular Biology Techniques for Cell Biology

Signal Transduction Mechanisms: Ielectrical and Synaptic Signaling in Neurons

Signal Transduction Mechanisms: Iimessengers and Receptors

The Cell Cycle and Mitosis

Sexual Reproduction,meiosis,and Genetic Recombination

Filters

Exam 1: A Preview of Cell Biology

________ is a biochemical technique that allows one to separate biological molecules based on size,shape,and/or affinity for specific molecules or functional groups.

Gregor Mendel was most influential in which field of biology?

You are studying the response of macrophages infected with the intracellular bacterium Brucella ,specifically by examining which gene products are being expressed.You would be studying the macrophage ________ to obtain this information.

Which of the following is mismatched?

To which of the following do Mendel's observations relate?

The outcome of the joining of cytology and biochemistry yielded a better understanding of the cell by

Glycolysis is also called the ________ pathway after the scientists who did most of the work to define it.

Wöhler revolutionized biology through his demonstration that biological molecules are governed by the ordinary laws of physics and chemistry.He demonstrated this principle by

In 1880,Walther Flemming identified ________,threadlike bodies seen in dividing cells.

________ synthesized urea in the laboratory from inorganic starting materials.Much of what is now called ________ dates from this discovery.

Which of the following is an application of immunofluorescence microscopy?

Robert Hooke coined the term cell when studying thin slices of cork.These ________ were the first cells observed because ________.

Melvin Calvin and his colleagues used which of the following to deduce the steps in the Calvin cycle?

Once a scientific theory becomes a law,it

A microtome is used to

The Chemistry of the Cell

The Macromolecules of the Cell

Cells and Organelles

Bioenergetics: the Flow of Energy in the Cell

Enzymes: the Catalysts of Life

Membranes: Their Structure,function,and Chemistry

Transport Across Membranes: Overcoming the Permeability Barrier

Chemotrophic Energy Metabolism: Glycolysis and Fermentation

Chemotrophic Energy Metabolism: Aerobic Respiration

Phototrophic Energy Metabolism: Photosynthesis

The Endomembrane System

Cytoskeletal Systems

Cellular Movement: Motility and Contractility

Beyond the Cell: Cell Adhesions, cell Junctions, and Extracellular Structures

The Structural Basis of Cellular Information: Dna, chromosomes, and the Nucleus

DNA Replication, repair, and Recombination

Gene Expression: Ithe Genetic Code and Transcription

Gene Expression: Iiprotein Synthesis and Sorting

The Regulation of Gene Expression

Molecular Biology Techniques for Cell Biology

Signal Transduction Mechanisms: Ielectrical and Synaptic Signaling in Neurons

Signal Transduction Mechanisms: Iimessengers and Receptors

The Cell Cycle and Mitosis

Sexual Reproduction,meiosis,and Genetic Recombination

Filters

synthesized urea in the laboratory from inorganic starting materials.Much of what is now called dates from this discovery.

Robert Hooke coined the term cell when studying thin slices of cork.These were the first cells observed because .