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 1.1, Problem 4COMQ
The process of transcription directly results in the synthesis of
a. DNA.
b. RNA.
c. a polypeptide.
d. all of the above.
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After transcription, the molecule that is formed is
a.complementary to part of one strand of DNA.
b.complementary to both strands of DNA.
c.double-stranded and inside the nucleus.
d.identical to an entire single strand of DNA.
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 the best description of a transcription factor?
A. A protein that brings the correct nucleotides to RNA polymerase
B. A protein that binds to specific DNA sequences
C. A DNA sequence that binds to RNA polymerase
D. A modification that is made to mRNA to help it be exported from the nucleus.
.
Chapter 1 Solutions
Genetics: Analysis and Principles
Ch. 1.1 - 1. Which of the following is not a constituent of...Ch. 1.1 - 2. A gene is a segment of DNA that has the...Ch. 1.1 - The function of the genetic code is to a. promote...Ch. 1.1 - The process of transcription directly results in...Ch. 1.2 - Gene expression can be viewed at which of the...Ch. 1.2 - 2. Variation in the traits of organisms may be...Ch. 1.2 - 3. A human skin cell has 46 chromosomes. A human...Ch. 1.2 - 4. Evolutionary change caused by natural selection...Ch. 1.3 - Which of the following is not a model organism? a....Ch. 1.3 - A person studying the rate of transcription of a...
Ch. 1.4 - The scientific method involves which of the...Ch. 1 - Pick any example of a genetic technology and...Ch. 1 - Prob. 2CONQCh. 1 - Most genes encode proteins. Explain how the...Ch. 1 - Prob. 4CONQCh. 1 - Prob. 5CONQCh. 1 - Prob. 6CONQCh. 1 - Prob. 7CONQCh. 1 - Your textbook describes how the detrimental...Ch. 1 - Prob. 9CONQCh. 1 - Prob. 10CONQCh. 1 - Prob. 11CONQCh. 1 - Prob. 12CONQCh. 1 - 13. With regard to biological evolution, which of...Ch. 1 - 14. What are the primary interests of researchers...Ch. 1 - What is a genetic cross?Ch. 1 - Prob. 2EQCh. 1 - Prob. 3EQCh. 1 - 4. Many organisms are studied by geneticists. Do...Ch. 1 - Prob. 5EQ
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- In prokaryotes, control of gene expression usually occurs at the a. splicing of pre-mRNA into mature mRNA. b. initiation of translation. c. initiation of transcription. d. All of the choices are correct.arrow_forwardThe three stages of transcription are a. initiation, ribosome binding, and termination. b. elongation, ribosome binding, and termination. c. initiation, elongation, and termination. d. initiation, regulation, and termination.arrow_forwardWithin a cell, the amount of protein made using a given mRNA molecule depends partly on A. the presence of certain transcription factors. B. the rate at which the mRNA is degraded. C. the degree of DNA methylation. D. the number of introns present in the mRNA. please explain which is correct and incorrect and whyarrow_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_forwardNonsense mutations occur when: A.The new codon causes an incorrect amino acid to code for an incorrect protein B.The loss or gain of 1 or 2 nucleotides that affects the coding for a protein. C.An alteration in sequence results in a new codon that causes the code to create an incomplete protein. D.Chromosomes break, causing a loss of DNA E.Genes in chromosome mutate and code for incorrect DNAarrow_forwardWhich of the following is the definition of a gene? A. RNA that delivers amino acids to a ribosome during translation B. A unit of information encoded in the sequence of nucleotide bases in DNA C. The RNA component of ribosomes D. RNA that carries a protein-building messagearrow_forward
- The splicing process a. occurs in prokaryotes. b. joins introns together. c. can produce multiple mRNAs from the same transcript. d. only joins exons for each gene in one way.arrow_forwardThe basal transcription apparatus is composed of a. five general transcription factors. b. RNA polymerase II. c. a DNA sequence containing a TATA box and transcriptional start site. d. all of the above.arrow_forwardWhich 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.arrow_forward
- A binding site for RNA polymerase is called a .a. gene c. codonb. promoter d. proteinarrow_forwardPost-translational modifications of proteins can affect which of the following? a. protein function b. transcriptional regulation c. chromatin modification d. all of the abovearrow_forwardWhich of the following is not a key difference between bacteria and eukaryotes? a. Initiation of transcription requires more proteins in eukaryotes. b. A 7-methylguanosine cap is added only to eukaryotic mRNAs. c. Splicing is common in complex eukaryotes but not in bacteria. d. All of the above are key differences.arrow_forward
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