Biology: The Unity and Diversity of Life (MindTap Course List)
14th Edition
ISBN: 9781305073951
Author: Cecie Starr, Ralph Taggart, Christine Evers, Lisa Starr
Publisher: Cengage Learning
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Textbook Question
Chapter 8, Problem 4SQ
One species' DNA differs from others in its _______
a.
b. DNA sequence
c. sugar-phosphate backbone
d. all of the above
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Students have asked these similar questions
One species’ DNA differs from others in its______ . a. nucleotides c. double helix b. DNA sequence d. sugar–phosphate backbone
Explain why scientists preferred proteins as the source of genetic material over DNA.
A. DNA seemed too simple of a molecule compared to proteins
B. Proteins are made up of combinations of 20 different amino acids compared to DNA's 4 bases. The larger number seemed more likely to account for all the variety and diversity in organisms.
C. Scientists knew more about proteins than they did DNA.
D. All of the answers are correct explanations.
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.
Chapter 8 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
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 - Variation in _____ is the basis of variation in...Ch. 8 - One species' DNA differs from others in its...Ch. 8 - Prob. 5SQCh. 8 - Prob. 6SQCh. 8 - Prob. 7SQCh. 8 - When DNA replication begins, ______. a. the two...Ch. 8 - DNA replication requires _______. a. DNA...Ch. 8 - HersheyChase Experiments The graph shown in FIGURE...
Ch. 8 - HersheyChase Experiments The graph shown in FIGURE...Ch. 8 - HersheyChase Experiments The graph shown in FIGURE...Ch. 8 - HersheyChase Experiments The graph shown in FIGURE...Ch. 8 - HersheyChase Experiments The graph shown in FIGURE...Ch. 8 - Energy that drives the attachment of a nucleotide...Ch. 8 - The phrase "5 prime to 3 prime" refers to the...Ch. 8 - After DNA replication, a eukaryotic chromosome...Ch. 8 - Prob. 13SQCh. 8 - Prob. 14SQCh. 8 - Prob. 15SQCh. 8 - Prob. 1CTCh. 8 - Woolly mammoths have been extinct for about 4,000...Ch. 8 - Xeroderma pigmentosum is an inherited disorder...
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- The DNA of cells is damaged (a) thousands of times per day. (b) by collisions with other molecules, chemical accidents, and radiation. (c) not very often and only by radiation. (d) both a and barrow_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_forwardThe backbone of DNA molecule is made of? a. nucleotides b. alternating phosphates and bases c. alternating bases and sugars d. alternating sugar and phosphate moleculesarrow_forward
- The molecule DNA is important to biological systems because a. it can be replicated. b. it encodes the information for making a new individual. c. it forms a complex, double-helical structure. d. nucleotides form genes.arrow_forwardThe Miller experiment created a. life. b. artificial proteins. c. DNA. d. simple molds. e. amino acids.arrow_forwardThe nitrogen bases in DNA are bonded to thea. phosphate b. deoxyribose c. ribose d. hydrogenarrow_forward
- Which 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_forwardSegments of DNA act as templates that guide the amino acids to join together to form a. proteins. b. sugars. c. phosphates. d. fours kinds of bases. e. all of the above.arrow_forwardWhich is not a nucleotide base in DNA? a. adenine c. glutamine e. cytosine b. guanine d. thymine f. All are in DNA.arrow_forward
- Which of the following is not a DNA sequence? a. TAG b. AUGAUUCT d. AAAAAAAAAA e. CGGarrow_forwardOne strand of a DNA molecule has the base sequence 5’-CACTTA-3’. The complementary base sequence on the other strand of DNA will be 3’-_____-5’. A. GTGAAT B. GUGAAU C. UTUGGT D. TGTAAGarrow_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_forward
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