Biochemistry
9th Edition
ISBN: 9781305961135
Author: Mary K. Campbell, Shawn O. Farrell, Owen M. McDougal
Publisher: Cengage Learning
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Chapter 9, Problem 44RE
RECALL What is the basic purpose of tRNA?
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Chapter 9 Solutions
Biochemistry
Ch. 9 - REFLECT AND APPLY Consider the following in light...Ch. 9 - Prob. 2RECh. 9 - RECALL What is the structural difference between...Ch. 9 - RECALL Give the name of the base, the...Ch. 9 - RECALL What is the difference between ATP and...Ch. 9 - RECALL Give the sequence on the opposite strand...Ch. 9 - RECALL Are the sequences shown in Question 6 those...Ch. 9 - REFLECT AND APPLY (a) Is it biologically...Ch. 9 - REFLECT AND APPLY A friend tells you that only...Ch. 9 - REFLECT AND APPLY In the early days of molecular...
Ch. 9 - REFLECT AND APPLY Why is RNA more vulnerable to...Ch. 9 - Prob. 12RECh. 9 - RECALL Draw a GC base pair. Draw an AT base pair.Ch. 9 - RECALL Which of the following statements is (are)...Ch. 9 - Prob. 15RECh. 9 - BIOCHEMICAL CONNECTIONS Describe the landmark case...Ch. 9 - Prob. 17RECh. 9 - Prob. 18RECh. 9 - RECALL Which of the following statements is (are)...Ch. 9 - RECALL Define supercoiling, positive supercoil,...Ch. 9 - RECALL What is propeller twist?Ch. 9 - RECALL What is an AG/CT step?Ch. 9 - RECALL Why does propeller-twist occur?Ch. 9 - Prob. 24RECh. 9 - RECALL If circular B-DNA is positively...Ch. 9 - RECALL Briefly describe the structure of...Ch. 9 - Prob. 27RECh. 9 - REFLECT AND APPLY List three mechanisms that relax...Ch. 9 - REFLECT AND APPLY Explain how DNA gyrase works.Ch. 9 - Prob. 30RECh. 9 - REFLECT AND APPLY Would you expect to find...Ch. 9 - REFLECT AND APPLY One of the original structures...Ch. 9 - REFLECT AND APPLY What is the complete base...Ch. 9 - REFLECT AND APPLY Why was it necessary to specify...Ch. 9 - Prob. 35RECh. 9 - Prob. 36RECh. 9 - Prob. 37RECh. 9 - BIOCHEMICAL CONNECTIONS A recent commercial for a...Ch. 9 - REFLECT AND APPLY A technology called PCR is used...Ch. 9 - REFLECT AND APPLY Why does DNA with a high AT...Ch. 9 - RECALL What are the three primary RNA types?Ch. 9 - RECALL What determines the base sequence of all...Ch. 9 - RECALL What is the name of the process that...Ch. 9 - RECALL What is the basic purpose of tRNA?Ch. 9 - RECALL The base sequence of which type of RNA is...Ch. 9 - RECALL What is the name of the process by which...Ch. 9 - Prob. 47RECh. 9 - Prob. 48RECh. 9 - Prob. 49RECh. 9 - RECALL Why do we say that micro RNAs are involved...Ch. 9 - Prob. 51RECh. 9 - Prob. 52RECh. 9 - Prob. 53RECh. 9 - Prob. 54RECh. 9 - Prob. 55RECh. 9 - Prob. 56RECh. 9 - REFLECT AND APPLY Would you expect tRNA or mRNA to...Ch. 9 - REFLECT AND APPLY The structures of tRNAs contain...Ch. 9 - REFLECT AND APPLY Would you expect mRNA or rRNA to...Ch. 9 - REFLECT AND APPLY Which would be more harmful to a...Ch. 9 - REFLECT AND APPLY Explain briefly what happens to...Ch. 9 - REFLECT AND APPLY Explain why a 50S ribosomal...Ch. 9 - Prob. 63RECh. 9 - Prob. 64RECh. 9 - Prob. 65RECh. 9 - Prob. 66RECh. 9 - RECALL What is the difference between miRNA and...Ch. 9 - Prob. 68RECh. 9 - Prob. 69RE
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- RECALL What is the difference between miRNA and siRNA?arrow_forwardREFLECT AND APPLY You are studying with a friend who says that the hydrogen-bonded portions of tRNA play no important role in its function. What is your reply?arrow_forwardREFLECT AND APPLY Would you expect tRNA or mRNA to be more extensively hydrogen bonded? Why?arrow_forward
- REFLECT AND APPLY Why is a trimming process important in converting precursors of tRNA and rRNA to the active forms?arrow_forwardRECALL What are the three primary RNA types?arrow_forwardREFLECT AND APPLY The structures of tRNAs contain several unusual bases in addition to the typical four. Suggest a function for the unusual bases.arrow_forward
- RECALL List several ways in which RNA is processed after transcription.arrow_forwardREFLECT AND APPLY Explain why a 50S ribosomal subunit and a 30S ribosomal subunit combine to form a 70S subunit, instead of an 80S subunit.arrow_forwardREFLECT AND APPLY A friend tells you that only four different kinds of bases are found in RNA. What would you say in reply?arrow_forward
- REFLECT AND APPLY Your book contains about 2 million characters (letters, spaces, and punctuation marks). If you could type with the accuracy with which the prokaryote E. coli incorporates, proofreads, and repairs bases in replication (about one uncorrected error in 109to1010 bases), how many such books would you have to type before an uncorrected error is permitted? (Assume that the error rate is one in 1010 bases.)arrow_forwardREFLECT AND APPLY E. coli incorporates deoxyribonucleotides into DNA at a rate of 250 to 1000 bases per second. Using the higher value, translate this into typing speed in words per minute. (Assume five characters per word, using the typing analogy from Question 36.)arrow_forwardREFLECT AND APPLY A sample of a peptide of unknown sequence was treated with trypsin; another sample of the same peptide was treated with chymotrypsin. The sequences (N-terminal to C-terminal) of the smaller peptides produced by trypsin digestion were as follows: MetValSerThrLysValIleTrpThrLeuMetIleLeuPheAsnGluSeArg The sequences of the smaller peptides produced by chymotrypsin digestion were as follows: AsnGluSerArgValIleTrpThrLeuMetIleMetValSerThrLysLeuPhe Deduce the sequence of the original peptide.arrow_forward
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