EBK BIOLOGY
5th Edition
ISBN: 9780100667976
Author: Maier
Publisher: YUZU
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Chapter 9, Problem 6LTB
Summary Introduction
Introduction:
The cells perform several activities for their survival. These activities are called cellular activities. Replication, transcription and translation are important cellular activities.
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During transcription, ___________________.
a. A cell divides to make 2 new cells
b. A cell divides to make 4 new cells
c. DNA is used as a template to create mRNA
d. mRNA, rRNA, and tRNA work together to make proteins
Select the most complete list of correct structures involved in the process of transcription
a.
mRNA, amino acids, ribosomes, polypeptide chains
b.
DNA, mRNA, RNA polymerase, a promoter
c.
mRNA, polypeptide chains, RNA polymerase
d.
DNA, mRNA, amino acids
A scientist is interested in producing flowers with a darker red color. To do this, the scientist alters the promoter of the gene to make it more active. This results in increased transcription and increased red pigments. The scientist then alters the promoter to make it even more active. This results in white flowers with no red pigment. Genetic research showed an increase in the siRNA in the cell. What did the siRNA do to the mRNA?
A. The siRNA caused the mRNA to be broken down.
B. The siRNA caused alternative splicing of the mRNA.
C. The siRNA caused increased methylation of the mRNA.
D. The siRNA caused the ribosome to no longer recognize this mRNA.
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- A promoter is ______. a. a specific sequence of DNA nucleotides b. a specific sequence of RNA nucleotides c. a protein that binds to DNA d. an enzyme that synthesizes RNAarrow_forwardIf the sequence of DNA on the template strand of a gene is AAA,the mRNA codon produced by transcription will be _______ andwill specify the amino acid _______ .a. AAA, lysineb. AAA, phenylalaninec. TTT, arginined. UUU, phenylalaninee. TTT, lysinearrow_forwardA binding site for RNA polymerase is called a .a. gene c. codonb. promoter d. proteinarrow_forward
- Choose the DNA sequence from which this mRNA sequence wastranscribed: 5′-AUACGAUUA-3′.a. 3′-TATGCTAAT-5′ c. 3′-UAUCGUAAU-5′b. 3′-UTUGCUTTU-5′ d. 3′-CTCAGCTTC-5′arrow_forwardWhich of the following phrases does not describe a function of the promoter? a. Serves as sequence to which transcription apparatus binds b. Determines the first nucleotide that is transcribed into RNA c. Determines which DNA strand is template d. Signals where transcription endsarrow_forwardRNA polymerase binds to a _________ to initiate _________. a. mRNA; translation b. promoter; transcription c. primer; transcription d. transcription factor; translationarrow_forward
- Reverse transcriptase assembles a(n)_____ on a(n)_____ template. a. mRNA; DNA c. DNA; ribosome b. cDNA; mRNA d. protein; mRNAarrow_forwardWhich of the following are steps of transcription? Select all that apply. a.RNA polymerase assembles a strand of mRNA complementary to the noncoding strand of DNA. b.RNA polymerase binds to a gene’s promoter. c.RNA polymerase assembles a strand of mRNA complementary to the coding strand of DNA. d.RNA polymerase moves over the gene and unzips the double helix to form a “transcription bubble.”arrow_forwardThrough wobble, a single ____________________ can pair with more than one ____________________. a. codon, anticodon b. group of three nucleotides in DNA, codon in mRNA c. tRNA, amino acid d. anticodon, codonarrow_forward
- Which statement/s is/are TRUE about transcription?A. During transcription, DNA polymerase binds to RNA and separates the DNA strands.B. RNA polymerase uses one strand of DNA as a template to assemble nucleotides into a strand of RNA.C. RNA polymerase binds only to DNA promoters, which have specific base sequences.D. Promoters are signals in RNA that indicate to RNA polymerase where to begin transcription.E. Transcription occurs in the 3’ to 5’ direction with respect to the growing mRNA strand.arrow_forwardEukaryotes such as humans have linear chromosomes. In order to signal the end of DNA replication, there is a large repetitive sequence of DNA called a telomere. The telomere region of the DNA signals a process called a. detachment b. termination c. elongation d. transcriptionarrow_forwardThe binding of ________ is required for transcription to start. a. a protein b. DNA polymerase c. RNA polymerase d. a transcription factorarrow_forward
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