BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
10th Edition
ISBN: 9781305967359
Author: STARR
Publisher: CENGAGE L
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Textbook Question
Chapter 8, Problem 4SA
One species’ DNA differs from others in its _______.
| a. |
c. double helix |
| b. DNA sequence | d. sugar-phosphate backbone |
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In 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.
One species’ DNA differs from others in its______ . a. nucleotides c. double helix b. DNA sequence d. sugar–phosphate backbone
The 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.
Chapter 8 Solutions
BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)
Ch. 8 - Which is not a nucleotide base in DNA? a. adenine...Ch. 8 - What are the base-pairing rules for DNA? a. A-G,...Ch. 8 - Similarities in ___________ are the basis of...Ch. 8 - One species DNA differs from others in its...Ch. 8 - In eukaryotic chromosomes, DNA wraps around...Ch. 8 - The chromosome number ________ . a. refers to a...Ch. 8 - Prob. 7SACh. 8 - DNA replication requires ________ . a. DNA...Ch. 8 - Energy that drives the attachment of a nucleotide...Ch. 8 - When DNA replication begins, _______ . a. the two...
Ch. 8 - The phrase 5to3 refers to the _________ . a....Ch. 8 - After DNA replication, a eukaryotic chromosome...Ch. 8 - Prob. 13SACh. 8 - _________ is an example of reproductive cloning....Ch. 8 - Match the terms appropriately. ___ nucleotide ___...Ch. 8 - Determine the complementary strand of DNA that...Ch. 8 - Woolly mammoths have been extinct for about 4,000...Ch. 8 - Xeroderma pigmentosum is an inherited disorder...
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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
- Which is not a nucleotide base in DNA? a. adenine c. glutamine e. cytosine b. guanine d. thymine f. All are in DNA.arrow_forwardWhat would happen to the base pairing of DNA if we removed the van der Waals dispersion forces? Click on the VIEW IMAGE button to get a hint. a) The bases would lose their structure b) There would be no significant change c) The ladder of DNA would hydrolyze d) The double helix would unwindarrow_forwardA double-stranded molecule of B DNA contains 340 nucleotides. What information do you know based on the question and your understanding of the topic?arrow_forward
- What is different between RNA and DNA? a. Only rna has adenine b. Only dna forms hydrogen bonds beteeen complementary regions c. Ribose has a 2' OH group unlike deoxyribose d. DNA uses uracil as a basearrow_forwardThe “rungs” of the DNA double helix are held together by a. ionic bonds.b. hydrogen bonds.c. covalent bonds.d. the force of the backbones on the outside of the helix pushing them together.arrow_forwardHelicase unwinds DNA by disrupting... A. Covalent bonds B. Hydrogen bonds C. A and B D. Neither A nor Barrow_forward
- The DNA of different species differs in the (a) sequence of bases. (b) complementary base-pairing. (c) number of nucleotide strands. (d) location of the sugar-phosphate portion of the DNA molecule.arrow_forwardWhich of the following statements is (are) true? (a) The two strands of DNA run parallel from their 5' to their 3' ends. (b) An adenine–thymine base pair contains three hydrogen bonds. (c) Positively charged counterions are associated with DNA. (d) DNA base pairs are always perpendicular to the helix axisarrow_forwardThe 3’ end of DNA molecule refers to a(n) __________ that can form a phosphodiester bond (a) OH group (b) phosphate group (c) nitrogenous base (d) enzyme (e) hydrogenarrow_forward
- Which 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_forwardHow is each new nucleotide added to the growing end of a DNA strand? a. A dehydration reaction joins the monomer to the new strand b. By using DNA polymerase c. Both of the above d. A hydrolytic reaction joins the monomer to the new strandarrow_forwardWhat is the structure of a DNA molecule? A. Two nucleotide strands coiled into a double helix held together by bonds between internal nucleotide bases B. Three nucleotide strands coiled into a triple helix held together by bonds between internal nucleotide bases C. Two nucleotide strands coiled into a double helix held together by bonds between external nucleotide bases D. A single nucleotide strand held together by bonds between internal nucleotide basesarrow_forward
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