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Genetics From Genes To Genomes 6th Edition by Leland Hartwell - Test Bank
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Genetics From Genes To Genomes 6th Edition by Leland Hartwell - Test Bank
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,Genetics, 6e (Hartwell)Chapter 1 Genetics: The Study of Biological Information
1) How does DNA structure relate to its function?
A) The three-dimensional structure allows DNA to catalyze chemical reactions.
B) The order of nucleotides in a DNA strand specifies the order of amino acids in a protein.
C) DNA folds in a variety of shapes, each with a unique function.
D) The three-dimensional shape of DNA is critical for the storage of genetic information.
Answer: B
Section: 01.01
Topic: DNA: Life's Fundamental Information Molecule
Learning Objective: 01.01.01 Relate the structure of DNA function.
Bloom's: 2. Understand
Accessibility: Keyboard Navigation
2) What is a difference between the structure of DNA and proteins?
A) DNA is composed of amino acids and proteins are composed of nucleotides.
B) DNA is composed of the four nucleotides A, G, C, and T and proteins are composed of the
four nucleotides A, G, C, and U.
C) DNA is composed of nucleotides and proteins are composed of amino acids.
D) DNA is composed of 10 different amino acids and proteins are composed of 20 different
amino acids.
Answer: C
Section: 01.02
Topic: Proteins: The Functional Molecules of Life Processes
Learning Objective: 01.02.01 Compare the chemical structures of DNA and proteins.
Bloom's: 2. Understand
Accessibility: Keyboard Navigation
3) A genome can be best described as
A) a segment of DNA that encodes an RNA or a protein.
B) an organized package of DNA and proteins.
C) a single pair of nucleotides connected by hydrogen bonds.
D) the DNA in all chromosomes in a cell.
Answer: D
Section: 01.01
Topic: DNA: Life's Fundamental Information Molecule
Learning Objective: 01.01.02 Differentiate between a chromosome, DNA, a gene, a base pair,
and a protein.
Bloom's: 1. Remember
Accessibility: Keyboard Navigation
1
Copyright © 2019 McGraw-Hill Education. All rights reserved.
No reproduction or distribution without the prior written consent of McGraw-Hill Education.
,4) What is the difference between the function of DNA and the function of proteins?
A) DNA performs most cellular functions and proteins store information.
B) DNA stores genetic information in the order of nucleotides and proteins store genetic
information in the order of amino acids.
C) DNA stores genetic information and proteins perform most cellular functions.
D) DNA provides structure to the cell and proteins act as enzymes.
Answer: C
Section: 01.02
Topic: Proteins: The Functional Molecules of Life Processes
Learning Objective: 01.02.02 Differentiate between the functions of DNA and the functions of
proteins.
Bloom's: 1. Remember
Accessibility: Keyboard Navigation
5) Which statement supports the theory that all organisms are related?
A) The genetic code is almost universal.
B) All flies have two wings.
C) Body parts with similar functions in different species are determined by unrelated genes.
D) Prokaryotes have circular chromosomes.
Answer: A
Section: 01.03
Topic: Molecular Similarities of All Life-Forms
Learning Objective: 01.03.01 Summarize the molecular evidence for the common origin of
living organisms.
Bloom's: 1. Remember
Accessibility: Keyboard Navigation
6) New genes are thought to arise by which mechanism?
A) Gene duplication followed by divergence due to mutation.
B) Fusion of two genes due to mating between individuals of two different species.
C) Conversion of introns to exons by the accumulation of mutations.
D) Mutation of a DNA sequence activates a gene that was previously turned off.
Answer: A
Section: 01.04
Topic: The Modular Construction of Genomes
Learning Objective: 01.04.01 Describe mechanisms by which new genes could arise.
Bloom's: 1. Remember
Accessibility: Keyboard Navigation
2
Copyright © 2019 McGraw-Hill Education. All rights reserved.
No reproduction or distribution without the prior written consent of McGraw-Hill Education.
, 7) What is the most likely way a mutation in one gene can convert one body part to another?
A) The mutated gene encodes a protein that affects the expression of many other genes.
B) The mutated gene encodes a protein that determines cell shape.
C) The mutation is in a structural gene and results in production of more protein than usual.
D) A mutation in only one gene cannot convert one body part to another.
Answer: A
Section: 01.04
Topic: The Modular Construction of Genomes
Learning Objective: 01.04.02 Explain how regulation of gene expression can alter gene
function.
Bloom's: 5. Evaluate
Accessibility: Keyboard Navigation
8) A recent technical advancement that has accelerated the study of genomes is the ability to
A) sequence large complex genomes rapidly and inexpensively.
B) rapidly identify and mutate individual disease-causing genes.
C) determine the function of genes by comparing genome sequences.
D) edit DNA in germ-line cells to correct disease-causing mutations.
Answer: A
Section: 01.05
Topic: Modern Genetic Techniques
Learning Objective: 01.05.01 Explain how advances in technology have accelerated the analysis
of genomes.
Bloom's: 2. Understand
Accessibility: Keyboard Navigation
9) What is the difference between genetic dissection and genome sequencing?
A) Genetic dissection reveals information about one gene at a time and genome sequencing
reveals information about all the genes in a genome at once.
B) Genetic dissection experiments can be accomplished in any species and genome sequencing is
only possible in model organisms.
C) Genetic dissection depends on the availability of mutations in model organisms and mutations
are of no use in the study of genomes by genome sequencing.
D) The genetic dissection approach is affordable and genome sequencing is prohibitively
expensive.
Answer: A
Section: 01.05
Topic: Modern Genetic Techniques
Learning Objective: 01.05.02 Compare the knowledge obtained from genetic dissection and
genome sequencing.
Bloom's: 2. Understand
Accessibility: Keyboard Navigation
3
Copyright © 2019 McGraw-Hill Education. All rights reserved.
No reproduction or distribution without the prior written consent of McGraw-Hill Education.
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