Concepts of Biology
1st Edition
ISBN: 9781938168116
Author: Samantha Fowler, Rebecca Roush, James Wise
Publisher: OpenStax College
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Textbook Question
Chapter 9, Problem 4RQ
a. conservative
b. semiconservative
c. dispersive
d. none of the above
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Which mechanism requires the ability to distinguish between newly synthesized and template strands of DNA?
a. Nucleotide selection
b. DNA proofreading
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d. All of the above
The model that correctly describes the process of DNA replication is
a. the conservative model.
b. the semiconservative model.
c. the dispersive model.
d. all of the above.
To make a new DNA strand, which of the following is necessary?
a. A template strand c. Heavy nitrogen
b. Nucleotides d. Both a and b
Chapter 9 Solutions
Concepts of Biology
Ch. 9 - Figure 9.10 You isolate a cell strain in which the...Ch. 9 - Which of the following does cytosine pair with? a....Ch. 9 - Prokaryotes contain a ______ chromosome, and...Ch. 9 - DNA replicates by which of the following models?...Ch. 9 - The initial mechanism for repairing nucleotide...Ch. 9 - A promoter is ______. a. a specific sequence of...Ch. 9 - Portions of eukaryotic mRNA sequence that are...Ch. 9 - The RNA components of ribosomes are synthesized in...Ch. 9 - How long would the peptide be that is translated...Ch. 9 - Control of gene expression in eukaryotic cells...
Ch. 9 - Post-translational control refers to: a....Ch. 9 - Describe the organization of the eukaryotic...Ch. 9 - Describe the structure and complementary base...Ch. 9 - How do the linear chromosomes in eukaryotes ensure...Ch. 9 - Transcribe and translate the following DNA...Ch. 9 - Describe how controlling gene expression will...
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Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, biology and related others by exploring similar questions and additional content below.Similar questions
- Avery, MacLeod, and McCarty demonstrated that the transforming principle can be destroyed by DNase. Thus, DNA is the genetic material A. Both statements are correct B. Both statements are incorrect C. First statement is Correct, Second is Incorrect D. First statement is Incorrect, Second is Correctarrow_forwardIn DNA replication, what is meant when we say it is “semi-conservative”? a. One new DNA molecule contains the parent strands and the other DNA molecule contains only new strands b. Both new DNA strands contain a parent strand and a template strand c. The new DNA molecules are exactly like the original strand d. Some of the genes are replicated, some aren’tarrow_forwardDNA gyrasea. promotes negative supercoiling.b. relaxes positive supercoils.c. cuts DNA strands as part of its function.d. does all of the abovearrow_forward
- Polymerase Chain Reaction, or PCR, can Group of answer choices A. target a specific region of DNA and cut it out of the rest of the genetic material for further analysis. B. copy the number of copies of a selected region of DNA linearly. C. increase the number of copies of a selected region of DNA exponentially. D. copy the entire genome at least a dozen times.arrow_forwardWhich of the following is FALSE about current Sanger dideoxy DNA sequencing procedures? a. Chain termination occurs during synthesis of a new DNA strand. b. Many steps can be automated. c. No DNA is synthesized in the procedure. d. Fluorescent molecules can be used to detect the DNA.arrow_forwardNegative supercoiling may enhance activities like transcriptionand DNA replication because ita. allows the binding of proteins to the major groove.b. promotes DNA strand separation.c. makes the DNA more compact.d. causes all of the above.arrow_forward
- Which of the following BEST describes DNA replication? a. Conservative b. Semiconservative c. Discontinuous d. Destructivearrow_forwardWhich of the following is not a part of the Sanger method tosequence DNA?a. dideoxynucleotides b. DNA polymerase c. electrophoresis d. reverse transcriptasearrow_forwardDNA polymerase III is a processive enzyme, which means that a. it does not dissociate from the growing strand after it has attached a nucleotide to the 3′ end. b. it makes a new strand very quickly. c. it proceeds toward the opening of the replication fork. d. it copies DNA with relatively few errors.arrow_forward
- A scientist uses a molecule of DNA composed of radioactive nucleotides as a template for replication and transcription in a nonradioactive environment. a) What percentage of individual strands of DNA will be radioactive after three (3) DNA replication cycles? 2. b) What percentage of RNA will be radioactive?arrow_forwardCellular DNA replication uses the enzymes for the process while PCR uses thermal denaturation that helps seperate DNA strands. I need a picture that shows the difference between them two using the statement above.arrow_forwardDNA fragments that are 500 bp, 1000 bp, and 2000 bp in length are separated by gel electrophoresis. Which fragment will migrate farthest in the gel? a. The 2000-bp fragment b. The 1000-bp fragment c. The 500-bp fragment d. All will migrate equal distances.arrow_forward
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