BIOLOGY:THE ESSENTIALS (LL) W/CONNECT
3rd Edition
ISBN: 9781260670929
Author: Hoefnagels
Publisher: MCG CUSTOM
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Textbook Question
Chapter 7, Problem 1MCQ
If one strand of DNA has the sequence ATTGTCC, then the sequence of the complementary strand will be
| a. | TAACAGG. |
| b. | ACCTCGG. |
| c. | CGGAGTT. |
| d. | CCTGTTA. |
Expert Solution & Answer
Summary Introduction
Introduction:
DNA is made up of sugar-phosphate backbone, including nitrogenous bases. The two chains are parallel to each other but oriented in opposite directions. The nitrogenous bases are paired with hydrogen bonds.
Answer to Problem 1MCQ
Correct answer:
In the complementary strand of DNA (Deoxyribonucleic Acid), adenine (A) binds with thymine (T), and cytosine (C) binds with guanine (G). Hence, the correct answer is option a.
Explanation of Solution
Reason for correct answer:
Option a. is given as “TAACAGG.”
The given sequence is ATTGTCC. A pairs T and G pairs with C; thus, TAACAGG should be the sequence of the complementary strand.
Reason for incorrect answer:
Option b. is given as, “ACCTCGG.”
The sequence is incorrect except the A which is present in the first place. Hence, option b. is incorrect.
Option c. is given as, “CGGAGTT.”
The given sequence CGGAGTT is incorrect as T is present C, A is with G, G is with T, and so on. This sequence is violating the Chargaff rule. Hence, option c. is incorrect.
Option d. is given as, “CCTGTTA.”
In this particular option, the sequence given is wrong as A binds with C, T is with C, T is with T, and so on. Hence, option d. is incorrect.
Hence, the options b., c., and d. are incorrect.
Conclusion
T should be paired with A and G should be paired with C. Hence, according to this rule correct sequence should be TAACAGG. Thus, the correct answer is option a.
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Students have asked these similar questions
One half of a DNA strand has the following sequence of bases GCTACGGCGTTATCCCC.
What would appear on the other half?
A. CGATTCCGCAATAGGGG
B. GCTAAGGCGTTATCCCC
C. CGATGCCGCAATAGGGG
D. ATAGGAATACCGCTTTT
E. TATCCTTATGGCGAAAA
if the DNA sequence if: TTACGTA, the complementary RNA sequence will be following
A. AATCGAT
B. AATGCTA
C.AATGCAT
D.AAUGCAU
If the sequence of one chain of a DNA double helix is TAACGTA, the sequence of its partner strand in the double helix must bea. TAACGTA. c. ATTGCAT.b. ATGCAAT. d. TACGTTA.
Chapter 7 Solutions
BIOLOGY:THE ESSENTIALS (LL) W/CONNECT
Ch. 7.1 - Prob. 1MCCh. 7.1 - Prob. 2MCCh. 7.2 - Prob. 1MCCh. 7.2 - Prob. 2MCCh. 7.2 - Prob. 3MCCh. 7.3 - Prob. 1MCCh. 7.3 - Prob. 2MCCh. 7.3 - Prob. 3MCCh. 7.3 - Prob. 4MCCh. 7.3 - Prob. 5MC
Ch. 7.4 - Prob. 1MCCh. 7.4 - Prob. 2MCCh. 7.4 - Prob. 3MCCh. 7.5 - Prob. 1MCCh. 7.5 - Prob. 2MCCh. 7.5 - Prob. 3MCCh. 7.5 - Prob. 4MCCh. 7.5 - Prob. 5MCCh. 7.6 - Prob. 1MCCh. 7.6 - Prob. 2MCCh. 7.6 - Prob. 3MCCh. 7.7 - Prob. 1MCCh. 7.7 - Prob. 2MCCh. 7.7 - Prob. 3MCCh. 7.7 - Prob. 4MCCh. 7.8 - Prob. 1MCCh. 7.8 - Prob. 2MCCh. 7.8 - Prob. 3MCCh. 7.8 - Prob. 4MCCh. 7.8 - Prob. 5MCCh. 7.9 - Prob. 1MCCh. 7.9 - Prob. 2MCCh. 7.10 - Prob. 1MCCh. 7.10 - Prob. 2MCCh. 7 - If one strand of DNA has the sequence ATTGTCC,...Ch. 7 - Transcription copies a _____ to a complementary...Ch. 7 - Prob. 3MCQCh. 7 - Prob. 4MCQCh. 7 - Prob. 5MCQCh. 7 - Prob. 6MCQCh. 7 - At which stage in viral replication does the...Ch. 7 - Prob. 8MCQCh. 7 - Prob. 1WIOCh. 7 - Prob. 2WIOCh. 7 - Prob. 3WIOCh. 7 - Prob. 4WIOCh. 7 - Prob. 5WIOCh. 7 - Prob. 6WIOCh. 7 - Prob. 7WIOCh. 7 - Prob. 8WIOCh. 7 - How many codons are in the mRNA molecule that you...Ch. 7 - Prob. 10WIOCh. 7 - Prob. 11WIOCh. 7 - Prob. 12WIOCh. 7 - Prob. 13WIOCh. 7 - Prob. 14WIOCh. 7 - Prob. 15WIOCh. 7 - Prob. 16WIOCh. 7 - Prob. 17WIOCh. 7 - Prob. 18WIOCh. 7 - Prob. 19WIOCh. 7 - Prob. 20WIOCh. 7 - Prob. 21WIOCh. 7 - Prob. 1SLCh. 7 - Prob. 1PITCh. 7 - Where do promoters, terminators, stop codons,...Ch. 7 - Prob. 3PITCh. 7 - Review the Survey the Landscape figure in the...
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