Question 1

Which of the following is true of fluorescence microscopy?

Accepted Answer

A) Fluorescence microscopy is best at viewing rounded, thicker specimens. 
B) Fluorescent light is emitted throughout the specimen being viewed. 
C) Fluorescence microscopy is able to overcome problems with confocal scanning microscopy. 
D) Fluorescence microscopy presents images in three dimensions. 
E) Fluorescence microscopy is used to view dead specimens only. 
A) Fluorescence microscopy is best at viewing rounded, thicker specimens. 
B) Fluorescent light is emitted throughout the specimen being viewed. 
C) Fluorescence microscopy is able to overcome problems with confocal scanning microscopy. 
D) Fluorescence microscopy presents images in three dimensions. 
E) Fluorescence microscopy is used to view dead specimens only.

Question 2

Jacques Monod and François Jacob deduced the mechanism responsible for the regulation of bacterial gene expression. They are, therefore, responsible for launching the era of

Accepted Answer

A) biochemistry. 
B) light microscopy. 
C) radioisotopes. 
D) the scientific method. 
E) molecular genetics. 
A) biochemistry. 
B) light microscopy. 
C) radioisotopes. 
D) the scientific method. 
E) molecular genetics.

Question 3

Which type of microscopy enhances and amplifies slight changes in the phase of transmitted light?

Accepted Answer

A) differential interference contrast microscopy 
B) fluorescence microscopy 
C) digital video microscopy 
D) phase- contrast microscopy 
E) both A and D 
A) differential interference contrast microscopy 
B) fluorescence microscopy 
C) digital video microscopy 
D) phase- contrast microscopy 
E) both A and D

Question 4

1 mm = nm

Accepted Answer

A) 1/1000 
B) 10 
C) 1/1,000,000 
D) 1,000,000 
E) 1000 
A) 1/1000 
B) 10 
C) 1/1,000,000 
D) 1,000,000 
E) 1000

Question 5

Which type of microscopy has the greatest resolving power?

Accepted Answer

A) phase- contrast 
B) digital video 
C) electron 
D) fluorescence 
E) confocal scanning 
A) phase- contrast 
B) digital video 
C) electron 
D) fluorescence 
E) confocal scanning

Question 6

The steps of the "scientific method," in the correct order, are

Accepted Answer

A) collect data, interpret results, test the hypothesis, make observations, and design experiments. 
B) collect data, interpret results, test the hypothesis, design experiments, make observations, and draw conclusions. 
C) design experiments, draw conclusions, collect data, interpret results, make observations, and test the hypothesis. 
D) make observations, formulate the hypothesis, design experiments, collect data, interpret results, and draw conclusions. 
E) none of the above 
A) collect data, interpret results, test the hypothesis, make observations, and design experiments. 
B) collect data, interpret results, test the hypothesis, design experiments, make observations, and draw conclusions. 
C) design experiments, draw conclusions, collect data, interpret results, make observations, and test the hypothesis. 
D) make observations, formulate the hypothesis, design experiments, collect data, interpret results, and draw conclusions. 
E) none of the above

Question 7

Which scientist is credited with coining the term "cell" from the Latin cellulae?

Accepted Answer

A) Robert Hooke 
B) Matthias Schleiden 
C) Antonie van Leeuwenhoek 
D) Robert Brown 
E) Theodor Schwann 
A) Robert Hooke 
B) Matthias Schleiden 
C) Antonie van Leeuwenhoek 
D) Robert Brown 
E) Theodor Schwann

Question 8

The limit of resolution can best be defined as

Accepted Answer

A) the magnification power of a microscope. 
B) the distance that an object must be moved to be distinguished from its background. 
C) the solvent that must be available to remix a solution. 
D) the distance that two objects must be apart to be distinguished as separate objects. 
E) the inverse of the wavelength of light; it is greatest for black light. 
A) the magnification power of a microscope. 
B) the distance that an object must be moved to be distinguished from its background. 
C) the solvent that must be available to remix a solution. 
D) the distance that two objects must be apart to be distinguished as separate objects. 
E) the inverse of the wavelength of light; it is greatest for black light.

Question 9

Gregor Mendel was most influential in which field of biology?

Accepted Answer

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

Question 10

Scanning electron microscopy (SEM)is especially suited to

Accepted Answer

A) creating a sense of depth. 
B) observe living specimens. 
C) examine internal cellular structure. 
D) both A and C. 
E) choices A, B, and C. 
A) creating a sense of depth. 
B) observe living specimens. 
C) examine internal cellular structure. 
D) both A and C. 
E) choices A, B, and C.

Question 11

Which organelle is round and derives its name from the Latin word for "kernel"?

Accepted Answer

A) mitochondrion 
B) nucleus 
C) Golgi complex 
D) chloroplast 
E) lysosome 
A) mitochondrion 
B) nucleus 
C) Golgi complex 
D) chloroplast 
E) lysosome

Question 12

The classic work of Wöhler (1828)that united the fields of biology and chemistry was based on the

Accepted Answer

A) identification of nucleotide bases. 
B) production of urea in the laboratory. 
C) discovery of ATP. 
D) discovery of yeast ferments. 
E) analysis of gene segregation. 
A) identification of nucleotide bases. 
B) production of urea in the laboratory. 
C) discovery of ATP. 
D) discovery of yeast ferments. 
E) analysis of gene segregation.

Question 13

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

Accepted Answer

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

Question 14

When scientists use the scientific method, they use terms to indicate their degree of certainty. Which of the following terms conveys the least degree of certainty?

Accepted Answer

A) theory 
B) law 
C) hypothesis 
D) both hypothesis and theory 
E) both theory and law 
A) theory 
B) law 
C) hypothesis 
D) both hypothesis and theory 
E) both theory and law

Question 15

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 after...

Which of the following is true of fluorescence microscopy?

Jacques Monod and François Jacob deduced the mechanism responsible for the regulation of bacterial gene expression. They are, therefore, responsible for launching the era of

Which type of microscopy enhances and amplifies slight changes in the phase of transmitted light?

1 mm = nm

Which type of microscopy has the greatest resolving power?

The steps of the "scientific method," in the correct order, are

Which scientist is credited with coining the term "cell" from the Latin cellulae?

The limit of resolution can best be defined as

Gregor Mendel was most influential in which field of biology?

Scanning electron microscopy (SEM)is especially suited to

Which organelle is round and derives its name from the Latin word for "kernel"?

The classic work of Wöhler (1828)that united the fields of biology and chemistry was based on the

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

When scientists use the scientific method, they use terms to indicate their degree of certainty. Which of the following terms conveys the least degree of certainty?

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

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 and Peroxisomes

Signal Transduction Mechanisms: I Electrical and Synaptic Signaling in Neurons

Signal Transduction Mechanisms: Ii Messengers and Receptors

Cytoskeletal Systems

Cellular Movement: Motility and Contractility

Beyond the Cell: Cell Adhesion, Cell Junctions, and Extracellular Structures

The Structural Basis of Cellular Information: DNA, Chromosomes, and the Nucleus

The Cell Cycle, Dna Replication, and Mitosis

Sexual Reproduction, Meiosis, and Genetic Recombination

Gene Expression: I the Genetic Code and Transcription

Gene Expression: II Protein Synthesis and Sorting

The Regulation of Gene Expression

Cancer Cells

Filters

Exam 1: A Preview of the Cell

Which of the following is true of fluorescence microscopy?

Jacques Monod and François Jacob deduced the mechanism responsible for the regulation of bacterial gene expression. They are, therefore, responsible for launching the era of

Which type of microscopy enhances and amplifies slight changes in the phase of transmitted light?

1 mm = nm

Which type of microscopy has the greatest resolving power?

The steps of the "scientific method," in the correct order, are

Which scientist is credited with coining the term "cell" from the Latin cellulae?

The limit of resolution can best be defined as

Gregor Mendel was most influential in which field of biology?

Scanning electron microscopy (SEM)is especially suited to

Which organelle is round and derives its name from the Latin word for "kernel"?

The classic work of Wöhler (1828)that united the fields of biology and chemistry was based on the

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

When scientists use the scientific method, they use terms to indicate their degree of certainty. Which of the following terms conveys the least degree of certainty?

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

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 and Peroxisomes

Signal Transduction Mechanisms: I Electrical and Synaptic Signaling in Neurons

Signal Transduction Mechanisms: Ii Messengers and Receptors

Cytoskeletal Systems

Cellular Movement: Motility and Contractility

Beyond the Cell: Cell Adhesion, Cell Junctions, and Extracellular Structures

The Structural Basis of Cellular Information: DNA, Chromosomes, and the Nucleus

The Cell Cycle, Dna Replication, and Mitosis

Sexual Reproduction, Meiosis, and Genetic Recombination

Gene Expression: I the Genetic Code and Transcription

Gene Expression: II Protein Synthesis and Sorting

The Regulation of Gene Expression

Cancer Cells

Filters