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 2RQ
Which of the following does cytosine pair with?
a. guanine
b. thymine
c. adenine
d. a pyrimidine
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Which of the following are pyrimidines?
Select one:
A.
adenine and thymine
B.
cytosine and thymine
C.
adenine and guanine
D.
adenine and cytosine
E.
guanine and thymine
What carries the genetic information in all cells?
A. ribonucleic acid
B. deoxyribonucleic acid
C. cytosine
D. guanine
Which of the following is NOT a dissimilarity between RNA and DNA?
a) Types of bases
b) Double-stranded vs. single-stranded
c) Type of sugar
d) Formation of Phosphodiester bonds
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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- Which of the following is not a nucleotide? a. adenosine triphosphate b. adenosine diphosphate c. adenine d. cytosine e. arabinosearrow_forwardCystic Fibrosis is caused by which of the following? a. Replacement of three nucleotides with a new three nucleotide sequence b. Addition of three nucleotides c. Deletion of three nucleotidesarrow_forwardWhich statement about DNA bases is true? A. Adenine and guanine are purines. B. Thymine and adenine are pyrimidines. C. Guanine and cytosine are pyrimidines. D. Guanine and cytosine are purines. E. None are correctarrow_forward
- _______ are single-ringed bases. a purines b pyrimidines c adenines d guaninesarrow_forwardThe antiparallel nature of DNA refers to a. its charged phosphate groups. b. the pairing of bases on one strand with bases on the other strand. c. the formation of hydrogen bonds between bases from opposite strands. d. the opposite direction of the two strands of nucleotides.arrow_forwardIn a DNA molecule, Select one: A. The nucleotides are hydrogen-bonded to one another B. The bases are covalently bonded to one another. C. The bases are hydrogen-bonded to the sugars. D. The nucleotides are covalently bonded to one another.arrow_forward
- An American biochemist Erwin Chargaff discovered that in the cells of all organisms he studied, the amount of adenine is always equal to the amount of thymine, and the amount of cytosine is always equal to the amount of guanine. Explain his findings.arrow_forwardWithin the Central Dogma, what is the primary function of DNA? a. make proteins b. preserve nuclear integrity c. maintain the genetic information d. keep a boundary between RNA and Proteinarrow_forwardThe energy to form the phosphodiester bond between nucleotides in a single strand comes from A, the nucleotides in Triphosphate form B. only from ATP C. The single Phosphate of nucleotides D. GTP provides the energyarrow_forward
- A friend tells you that only four differentkinds of bases are found in RNA. What would you say in reply?arrow_forwardWhich enzyme links amino acids together? (a) ribozyme (b) peptidyl transferase (c) DNA polymerase I (d) RNA polymerase II (e) amino-acyl tRNA synthetasearrow_forwardThe two strands of DNA in a double helix are ______________.arrow_forward
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