Genetics: Analysis and Principles
6th Edition
ISBN: 9781259616020
Author: Robert J. Brooker Professor Dr.
Publisher: McGraw-Hill Education
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Textbook Question
Chapter 9.3, Problem 1COMQ
Which of the following could be the components of a single
a. Deoxyribose, adenine, and thymine
b. Ribose, phosphate, and cytosine
c. Deoxyribose, phosphate, and thymine
d. Ribose, phosphate, and uracil
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Levene made which contribution to our understanding of DNA structure?
a. He determined that the nucleus contains DNA.
b. He determined that DNA contains four nitrogenous bases
c. He determined that DNA consists of nucleotides.
d. He determined that the nitrogenous bases of DNA are present in regular ratios
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.
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 correct
Chapter 9 Solutions
Genetics: Analysis and Principles
Ch. 9.1 - In the experiment of Avery, McLeod, and McCarty,...Ch. 9.1 - In the Hershey and Chase experiment involving T2...Ch. 9.2 - Going from simple to complex, which of the...Ch. 9.3 - Which of the following could be the components of...Ch. 9.3 - Prob. 2COMQCh. 9.4 - Prob. 1COMQCh. 9.5 - Prob. 1COMQCh. 9.5 - Prob. 2COMQCh. 9.6 - 1. Which of the following is not a feature of the...Ch. 9.6 - 2. A groove in the DNA refers to
a. the...
Ch. 9.6 - Prob. 3COMQCh. 9.7 - 1. A double-stranded region of RNA
a. forms a...Ch. 9 - 1. What is the meaning of the term genetic...Ch. 9 - Prob. 2CONQCh. 9 - 3. Look up the meaning of the word transformation...Ch. 9 - Prob. 4CONQCh. 9 - 5. Draw the structures of guanine, guanosine, and...Ch. 9 - Prob. 6CONQCh. 9 - 7. Describe how bases interact with each other in...Ch. 9 - Prob. 8CONQCh. 9 - 9. What is meant by the term DNA sequence?
Ch. 9 - Make a side-by-side drawing of two DNA helices:...Ch. 9 - 11. Discuss the differences in the structural...Ch. 9 - What part(s) of a nucleotide (namely, phosphate,...Ch. 9 - List the structural differences between DNA and...Ch. 9 - Draw the structure of deoxyribose and number the...Ch. 9 - Write a sequence of an RNA molecule that could...Ch. 9 - Compare the structural features of a...Ch. 9 - Which of the following DNA double helices would be...Ch. 9 - What structural feature allows DNA to store...Ch. 9 - Prob. 19CONQCh. 9 - Prob. 20CONQCh. 9 - Prob. 21CONQCh. 9 - 22. On further analysis of the DNA described in...Ch. 9 - Prob. 23CONQCh. 9 - Prob. 24CONQCh. 9 - In what ways are the structures of an helix in a...Ch. 9 - Prob. 26CONQCh. 9 - Prob. 27CONQCh. 9 - 28. What chemical group (phosphate group, hydroxyl...Ch. 9 - The base composition of an RNA virus was analyzed...Ch. 9 - Prob. 30CONQCh. 9 - Prob. 31CONQCh. 9 - Prob. 32CONQCh. 9 - Prob. 33CONQCh. 9 - As described in Chapter 15, the methylation of...Ch. 9 - 35. An RNA molecule has the following sequence:...Ch. 9 - 1. Genetic material acts as a blueprint for an...Ch. 9 - 2. With regard to the experiment described in...Ch. 9 - Prob. 3EQCh. 9 - Prob. 4EQCh. 9 - 5. With regard to Chargaff’s experiment described...Ch. 9 - 6. Gierer and Schramm exposed plant tissue to...Ch. 9 - 1. Try to propose structures for a genetic...Ch. 9 - Prob. 2QSDC
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- The 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_forwardHow 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.arrow_forwardIf the DNA of an organism contains 20% adenine, what is its percentage of guanine? a.20% b.60% c.80% d.30%arrow_forward
- The type of bonds between the nucleotide bases of the two strands of DNA are a.polar covalent bonds. b.nonpolar covalent bonds. c.hydrogen bonds. d.ionic bonds.arrow_forwardA DNA molecule consists of 500 nitrogenous bases, of which 150 are G bases. So, the percentage of nitrogenous base T is equal to? choose the correct answer A)20% B)30% C)40% D)60%arrow_forwardAccording to Chargaff’s rules for DNA base composition, if a DNA sample contained 10% guanine, the sample should have: A. 40% cytosine B. 90% cytosine C. 10% adenine D. 40% thyminearrow_forward
- Levene proposed that DNA was a tetranucleotide, meaning ___. A. it was made up of the same 4 bases bonded together in the same order B. it was made up of the same 4 bases bonded together in different orders C. it was made up of the same 4 amino acids bonded together in the same order D. it was made up of the same 4 sugars bonded together in different ordersarrow_forwardA) What is the difference between a nucleoside and a nucleotide? B) Give any two differences between DNA and RNA. C) Draw the structure of deoxyribose and ribose below, and number the carbons. What is the difference between the two structures? Please answer all 3 partsarrow_forwardWhich of the following is false regarding a DNA molecule? a-It contains a double helix structure b-It stores genetic information c-It contains the nitrogen base Uracil d-It contains base pairsarrow_forward
- 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_forwardWhich of the following characteristics does not describe DNA? a contains thymine b contains uracil c contains cytosine d stays in the nucleusarrow_forwardThe 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_forward
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