Biology: The Unity and Diversity of Life
15th Edition
ISBN: 9780357093795
Author: STARR
Publisher: CENGAGE LEARNING (CUSTOM)
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Textbook Question
Chapter 9, Problem 3SQ
In cells, most RNA molecules are ___ ; most DNA molecules are ___ .
- a. single-stranded; double-stranded
- b. double-stranded; single-stranded
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Students have asked these similar questions
Each time double-stranded (ds) DNA is replicated, the resulting copies of DNA include:
A.
One parent (original) strand and one daughter (new) strand
B.
Either two parent (original) strands or two daughter (new) strands
C.
Four parent strands
D.
Four daughter strands
Which 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 DNA
The double-helix model of DNA resembles a twisted ladder inwhich the rungs of the ladder area. a purine paired with a pyrimidine.b. A paired with G, and C paired with T.c. sugar-phosphate paired with sugar-phosphate.d. a 5′ end paired with a 3′ end.e. Both a and b are correct.
Chapter 9 Solutions
Biology: The Unity and Diversity of Life
Ch. 9 - RIPs as Cancer Drugs Researchers are taking a page...Ch. 9 - RIPs as Cancer Drugs Researchers are taking a page...Ch. 9 - RIPs as Cancer Drugs Researchers are taking a page...Ch. 9 - RIPs as Cancer Drugs Researchers are taking a page...Ch. 9 - A chromosome contains many different genes that...Ch. 9 - A binding .site for RNA polymerase is called a ___...Ch. 9 - In cells, most RNA molecules are ___ ; most DNA...Ch. 9 - Prob. 4SQCh. 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. 8SQCh. 9 - Prob. 9SQCh. 9 - Anticodons pair with ___ . a. mRNA codons b. DNA...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 - Can you .spell your name (or someone else's) using...Ch. 9 - Bacteria use the.same stop codons as eukaryotes....
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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
- People used to think that the genetic code could be found in proteins, because there are so many. How do you think the genetic code can be stored in DNA with just 4 choices?arrow_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 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_forward
- 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_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_forwardA term for the coding region of DNA is: ?? (Group of answer choices) A.a nucleotide B. an exon C.an intron D.a codon E. an allele.arrow_forward
- Which of the following is NOT a dissimilarity between RNA and DNA? a) Types of bases b) Double-stranded vs. single-stranded c) Type of sugar d) Formation of Phosphodiester bondsarrow_forwardThe 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.arrow_forwardThe “rungs” of the DNA double helix are held together by a. ionic bonds.b. hydrogen bonds.c. covalent bonds.d. the force of the backbones on the outside of the helix pushing them together.arrow_forward
- How do the sugars of RNA and DNA differ? a. RNA has a six-carbon sugar; DNA has a five-carbon sugar. b. The sugar of RNA has a hydroxyl group that is not found in the sugar of DNA. c. RNA contains uracil; DNA contains thymine. d. DNA’s sugar has a phosphorus atom; RNA’s sugar does not.arrow_forwardWhich of the following is NOT a characteristic of the DNA Double Helix? a) The two strands run in an anti-parallel fashion based on their polarity. b) Hydrogen bonding between nucleotides holds the strands together. c) DNA is 20 Angstrom's wide. d) The percentage of Guanine and Thymine present in a double helix strand are always equal.arrow_forwardYour lab partner tells you proteins are used to make enzymes, you say, no enzymes are used to make proteins. Who is right? Explain your answer. – realize that enzymes are proteins and that the enzyme polymerase is used to transcribe DNAarrow_forward
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