Genetics: Analysis and Principles
6th Edition
ISBN: 9781259616020
Author: Robert J. Brooker Professor Dr.
Publisher: McGraw-Hill Education
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Chapter 24.3, Problem 1COMQ
Summary Introduction
Introduction:
Computer programs consists of certain operations that can either manipulate or analyze the genomic data. In studies of gene sequences, a computer data file contains experimentally derived DNA (deoxyribonucleic acid), RNA (ribonucleic acid) or amino acid sequence, which is entered in the file using instruments such as densitometers or fluorometers.
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An open reading frame (ORF) is distinguished by the presence of
a. a stop codon.
b. a start codon.
c. a sequence of DNA long enough to encode a protein.
d. All of the choices are correct.
The function of the genetic code is toa. promote transcription.b. specify the amino acids within a polypeptide.c. alter the sequence of DNA.d. none of the above
Which of the following is true about the genetic code?
A. A codon is three to six bases long.
B. Each amino acid is specified by only one codon.
C. The codon signaling the end of transcription also codes for an amino acid.
D. There are multple codons signaling the start of transcription.
E. All organisms use essentially the same genetic code.
Chapter 24 Solutions
Genetics: Analysis and Principles
Ch. 24.1 - 1. A DNA microarray is a slide that is dotted...Ch. 24.1 - 2. The purpose of a ChIP-chip assay is to...Ch. 24.1 - 3. For the method of RNA sequencing (RNA-Seq),...Ch. 24.1 - A gene knockout is a gene a. whose function has...Ch. 24.2 - Prob. 1COMQCh. 24.2 - Prob. 2COMQCh. 24.2 - Prob. 3COMQCh. 24.2 - Prob. 4COMQCh. 24.3 - Prob. 1COMQCh. 24.3 - 2. Homologous genes
a. are derived from the same...
Ch. 24.3 - Prob. 3COMQCh. 24 - 1. Give the meanings of the following terms:...Ch. 24 - Prob. 2CONQCh. 24 - What is a database? What types of information are...Ch. 24 - Prob. 4CONQCh. 24 - Prob. 5CONQCh. 24 - Prob. 6CONQCh. 24 - Prob. 7CONQCh. 24 - Prob. 8CONQCh. 24 - Prob. 1EQCh. 24 - In the procedure called RNA sequencing (RNA-Seq),...Ch. 24 - 3. Can two-dimensional gel electrophoresis be used...Ch. 24 - Prob. 4EQCh. 24 - 5. Describe the two general types of protein...Ch. 24 - 6. Discuss the bioinformatics approaches that can...Ch. 24 - 7. What is a motif? Why is it useful for computer...Ch. 24 - Discuss why it is useful to search a database to...Ch. 24 - Prob. 9EQCh. 24 - In this chapter, we considered a computer program...Ch. 24 - Prob. 11EQCh. 24 - Prob. 12EQCh. 24 - Prob. 13EQCh. 24 - Refer to question 3 in More Genetic TIPS before...Ch. 24 - Prob. 15EQCh. 24 - Prob. 16EQCh. 24 - 1. Let’s suppose you are in charge of organizing...
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Similar questions
- There are 61 mRNA codons that specify an amino acid, but only 45 tRNAs. This is best explained by the fact that A. some tRNAs have anticodons that recognize two or more different codons. B. the rules for base pairing between the third base of a codon and tRNA are flexible. C. many codons are never used, so the tRNAs that recognize them are dispensable. D. A and B only E. A, B, and Carrow_forwardThe codons CCU, CCC, CCA, and CCG all code for the amino acid threonine. This is because the genetic code is a,b,c,d, or e? a. generic b. faulty c. reducible d. redundant e. All of the answers are correctarrow_forwardWhich of the following is an RNA processing event that increases the number of potential polypeptides that can be encoded by a single gene. a. transcription b. alternative splicing c. alternative transcription d. polyadenylationarrow_forward
- A codon is: a. An alternative name for gene b. Three amino acids that encode a nucleotide c. Three nucleotides that encode an amino acid d. One of three nucleotides that encode and amino acidarrow_forwardWhich of the following statements are accurate descriptions of the genetic code? MARK ALL THAT APPLY Select one or more: a. The genetic code is made up of triplet nucleotides that specify an amino acid. b. The genetic code is unambiguous because codons only specific a single amino acid. C. The genetic code is read in an overlapping manner. d. The genetic code is redundant because a single codon can specify more than one amino acid. e. Some amino acids are encoded by more than one codon. f. All codons of the genetic code specify amino acids.arrow_forwardWhich of the following would probably cause the most severe damage to a gene's expression and phenotype a. A missense mutation changing the first methionine codon to an arginine codon. b. A deletion of a base in the 455th codon of a 456-amino acid protein. c. Alteration of a UGG codon to a UGA codon at position 324 of a 324 amino acid protein. d. Mutation of a GUC codon (valine) to a GUU codon (valine).arrow_forward
- In which of the following does nitrogenous base pairing (base complementarity via hydrogen bonds) NOT play a key, direct role? A. transcription of RNA from a DNA template B. binding of the TATA binding protein to the TATA box C. the RNAi pathway of gene regulation D. Codon-Anticodon recognition in translationarrow_forwardA codon is a. one of three nucleotides that encode an amino acid. b. three nucleotides that encode an amino acid. c. three amino acids that encode a nucleotide. d. one of four bases in DNAarrow_forwardWhich of the following mutations would have the greatest negative impact on the protein product of a gene? A. a single base deletion close to the end of the coding region of a gene. B. a single base insertion near the start of the coding region of the gene C. a base-pair substitution D. a deletion of three bases near the middle of the genearrow_forward
- Which of the following statements about coding strands of a gene is false? a. The sequence of the coding strand is complementary to the primary transcript. b. The sequence of the coding strand is complementary to the template strand. c. The coding strand may be on either strand of a given chromosome. d. All of the above are true about the coding strand.arrow_forwardWhich of the following is a function of the 7-methylguanosine cap? a. Exit of mRNA from the nucleus b. Efficient splicing of pre-mRNA c. Initiation of translation d. All of the abovearrow_forwardThe process of RNA interference may lead toa. the degradation of an mRNA.b. the inhibition of translation of an mRNA.c. the synthesis of an mRNA.d. both a and b.arrow_forward
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