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 9, Problem 3SQ
An RNA molecule is typically ______; a DNA molecule is typically______.
- a. single-stranded; double-stranded
- b. double-stranded; single-stranded
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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 molecules
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.
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 9 Solutions
Biology: The Unity and Diversity of Life (MindTap Course List)
Ch. 9 - A chromosome contains many different genes that...Ch. 9 - A binding .site for RNA polymerase is called a ___...Ch. 9 - An RNA molecule is typically ______; a DNA...Ch. 9 - RNAs form by_____; proteins form by ________. a....Ch. 9 - The main function of a DNA molecule is to ________...Ch. 9 - The main function of an mRNA molecule is to ___ ....Ch. 9 - Prob. 7SQCh. 9 - Prob. 1DAACh. 9 - Prob. 2DAACh. 9 - Prob. 3DAA
Ch. 9 - Prob. 4DAACh. 9 - Prob. 8SQCh. 9 - Anticodons pair with ___ . a. mRNA codons b. DNA...Ch. 9 - Up to ______ amino adds can be encoded by an mRNA...Ch. 9 - Prob. 11SQCh. 9 - Prob. 12SQCh. 9 - Prob. 13SQCh. 9 - Energy that drives translation is provided mainly...Ch. 9 - Match the terms with the best description. __...Ch. 9 - Researchers are designing and testing antisense...Ch. 9 - An anticodon has the sequence GCG. What amino acid...Ch. 9 - Each position of a codon can be occupied by one of...Ch. 9 - Prob. 4CTCh. 9 - Translate the .sequence of bases in the previous...Ch. 9 - Bacteria use the.same stop codons as eukaryotes....
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- An RNA molecule is typically _________ ; a DNA molecule is typically ______ . a. single-stranded; double-stranded b. double-stranded; single-strandedarrow_forwardThe nucleotide sequence in a single strand of DNA represents which level of structure? a. quaternary b. tertiary c. primary d. secondaryarrow_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
- Within the Central Dogma, what is the primary function of DNA? a. make proteins b. preserve nuclear integrity c. maintain the genetic information d. keep a boundary between RNA and Proteinarrow_forwardWhich of the following statements best describes DNA and RNA? a. Both are found in chromosomes b. DNA is found in chromosomes, RNA is not. c. RNA is found in chromosomes, DNA is not. d. neither is found in chromosomesarrow_forwardOne 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. TATCCTTATGGCGAAAAarrow_forward
- 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.arrow_forwardThe sequence of one strand of DNA is ACCTGC. What is the sequence of the complimentary strand of DNA? A. ACCTCG B. TGGACG C. UGGAGC D. ACCUGCarrow_forwardA DNA helix is found in the _____ form while an RNA helix is found in the _____ form. A) A, B B) B, A C) C, D D) Right, Leftarrow_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_forwardIn a DNA strand, a phosphate connects a 3′ carbon atom in onedeoxyribose toa. a 5′ carbon in an adjacent deoxyribose.b. a 3′ carbon in an adjacent deoxyribose.c. a base in an adjacent nucleotide.d. none of the above.arrow_forwardWhich of the following would be most likely to cause a mutation? A. the addition of nucleotides to the 3’ end of the growing strand B. the insertion of a mismatched nucleotide into a DNA strand C. the unwinding of the DNA strand D. the synthesis of short stretches of DNAarrow_forward
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