Biological Science
5th Edition
ISBN: 9780321743671
Author: Scott Freeman
Publisher: PEARSON
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Chapter 4, Problem 3TYK
Summary Introduction
Introduction:
DNA (deoxyribonucleic acid) is the genetic material present in all the cells. It is a double helical structure that is composed of nucleotides. A
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Students have asked these similar questions
What provides the negative charge associated with DNA?
a. sulfhydryl groups
b. nitrogenous bases
c. phosphate groups
d. deoxyribose's hydroxyl groups
e. ribose's hydroxyl groups
Considering the principle of complementary base pairing, you would expect an equal ratio of which two nitrogenous bases in a DNA molecule?
a.
guanine and thymine
b.
uracil and adenine
c.
thymine and cytosine
d.
cytosine and guanine
e.
adenine and guanine
How are nucleotides connected to each other in a single strand of DNA?
A.
The nitrogenous bases and acids link the separate nucleotides into a chain.
B.
The phosphate group of one nucleotide binds to the sugar on the next nucleotide.
C.
The hydroxy group of one nucleotide stabilizes the phosphate group of the adjacent nucleotide.
D.
The sugar of one nucleotide binds directly to the sugar of the adjacent nucleotide.
Chapter 4 Solutions
Biological Science
Ch. 4 - What are the four nitrogenous bases found in RNA?...Ch. 4 - 2. What determines the primary structure of a DNA...Ch. 4 -
4. Which of the following rules apply to the...Ch. 4 - Prob. 3TYKCh. 4 - Prob. 5TYKCh. 4 -
6. What is responsible for the increased...Ch. 4 - Prob. 8TYUCh. 4 - Prob. 9TYUCh. 4 - Prob. 7TYUCh. 4 - Prob. 10TYU
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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
- What 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_forwardEnzymes can break down the DNA catalyze the hydrolysis of the covalent bonds that join nucleotides together. What would happen to DNA molecules treated with these enzymes? a. The two strands of the double helix would separate b. The phosphodiester linkages of the polynucleotide backbone would be broken. c. The pyrimidines would be separated from the deoxyribose sugar. d. All bases would be separated from the deoxyribose sugars.arrow_forwardWhat is an example of an unusual base pair interaction that is found in RNA but not DNA? 1. G-U 2. G-C 3. A-T 4. G-Aarrow_forward
- What forces hold the two individual strands of DNA together to form a double helix? a. ionic bonds b. covalent bonds c. hydrophobic bonds d. hydrogen bonds e. no correct responsearrow_forwardWhen two adjacent bases in the same strand of DNA dimerize (form a covalent bond between them), what happens to the DNA? a. the original strand of DNA now contains a new DNA sequence b. the original strand of DNA is prevented from opening during replication, so this section of DNA will not be replicated c. the original strand of DNA is methylated, which causes the bases to mismatch d. the original strand of DNA is kinked, which prevents DNA polymerase from working properly e. the original strand of DNA is unaffected, so no additional mutations arisearrow_forwardWhat is the genetic information in DNA due to? A. composition of DNA in a gene B. specificity of base pairing C. sequence of nucleotides D. sugar-phosphate backbone E. precise three-dimensional conformation of DNAarrow_forward
- What types of bonds form between 5' and 3' carbons on the same strand of DNA/RNA? which answer choice? a. Hydrogen bond b. Phosphodiester bond c. Peptide bond d. Ionic bondarrow_forwardWhich part of the DNA is broken in a double strand break? a. Hydrogen bonds between bases b. Covalent bonds between the base and the sugar c. Covalent bonds between the base and the 2'-OH group d. Covalent bonds between the 3'OH of one nucleotide and the 5' phosphate of the next nucleotidearrow_forwardWhich statement describes Linus Pauling's contribution to the understanding of DNA structure? a Having first discovered the spiral shape of proteins, Linus Pauling used x-ray technology to hypothesize that the DNA molecule consisted of two consistently spaced strands that formed a spiral shape. b Having originally studied proteins, Pauling proposed that DNA was a three-chained helix with a sugar-phosphate backbone at the center and bases sticking out from the backbone. c Linus Pauling conducted experiments to prove that DNA carried genetic information. d Linus Pauling studied DNA base pairing.arrow_forward
- What feature of a DNA fragment causes it to move through a gel during electrophoresis? a. the electrical charges of its phosphate groups b. its nucleotide sequence c. the hydrogen bonds between its base pairs d. its double helix shapearrow_forwardA new type of nucleic acid molecule is found have a base composition of 29% adenine, 19% thymine, 21% cytosine and 31% guanine. The molecule is probably: a. single stranded DNA b. double stranded RNA c. double stranded DNA d. single stranded RNAarrow_forwardGiven a DNA strand with nucleotide sequence 3’ CCGTTACCGC 5’, how many hydrogen bonds are formed between this strand and its complementary strand? A. 9 B. 10 C. 20 D. 27 E. 30arrow_forward
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