Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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During the embryonic development of a fruit fly, bicoid protein regulates transcription in the
nucleus. Transcription in fruit flies is similar to that in humans.
The molecule that is most similar in function to the bicoid and the molecule that it binds to in
order to initiate transcription, respectively, are
A. Molecule Most Similar to Bicoid Protein. Molecule that Bicoid Binds To
RNA Polymerase DNA Strand
B. Molecule Most Similar to Bicoid Protein Molecule that Bicoid Binds To
DNA Polymerase DNA Strand
C. Molecule Most Similar to Bicoid Protein Molecule that Bicoid Binds To
RNA Polymerase mRNA Strand
D. Molecule Most Similar to Bicoid Protein Molecule that Bicoid Binds To
DNA polmerase mRNA Strand
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- 1. (a) The initiation factors form a complex with RNA polymerase Gene is switched ON Gene is switched OFF Does NOT affect the gene expression (b) RNA polymerase binds at the upstream region. Gene is switched ON Gene is switched OFF Does NOT affect the gene expressionarrow_forwardThe binding of an enhancer O stimulates transcription of a specific gene. O stimulates splicing of a specific mRNA. O stimulates splicing of all MRNAS. O stimulates transcription of all genes. O increases the stability of a specific MRNA.arrow_forward1.The Shine Dalgarno sequence is ____________. located in the 50S subunit of ribosome. located on the 16S rRNA component of the 30S subunit of ribosome. a sequence upstream of the AUG initiation codon on mRNA. a DNA consensus sequence in the promoter region of a gene. a signal for transcription termination.arrow_forward
- Based on your understanding of transcription, place the following events in the correct order. 1. A base pairs with U, and G with C 2. RNA released 3. RNA polymerase binds 4. transcription bubble 5. DNA polymerase grows new chain 6. A base pairs with T, and C with G 7. Promoter is reached O 3,4, 7, 5, 6, 1 O 5, 6, 3, 1, 2 O 7,3, 4, 6, 1, 2 O 3, 7, 4, 1, 2 O 5, 2, 4, 7, 1, 3arrow_forwardThe diagram represents DNA that is part of the RNA-coding sequence of a transcription unit. The bottom strand is the template strand. 5'-GCATATGCGGTAC-3' 3'-CGTATACGCCATG-5' Give the sequence found on the RNA molecule that is transcribed from the above DNA molecule. Enter your answer from 5' to 3'. 5'- -3'arrow_forwardDuring RNA splicing a. All exons are removed and degraded in the cell b. mRNA is made from DNA template c. Introns are removed from the mRNA and the exons are spliced together d. mRNA is translated into a protein moleculearrow_forward
- Which of the following statements is TRUE? Group of answer choices The human DNA is single-stranded and both strands serve as a template for transcription. In some cases, mRNA can be converted into a double-stranded DNA. All statements are true. The mRNA molecule attaches to ribosomes during transcription. Ribosomes are made up of tRNAs.arrow_forwardTwo cells use the same segment of DNA to produce two different proteins. The mRNA transcribed by cell A contains more introns than does the mRNA produced by cell B. Which of the following is true about the proteins of these cells? O A The protein for cell A is longer. O B. The protein for cell A is shorter. O C. Cell A produces more of this protein. O D. Cell A produces less of this protein. mswered MacBook Air F3 F4 F7 F9 @ # $ % & * 2 5 6 7 W E R S D H Karrow_forwardImmunostaining was used to investigate the expression of the Fibrillin 1 gene in muscle fibres. Two antibodies were used, Antibody A binds to a muscle membrane protein that is unrelated to Fibrillin. Antibody B binds to the N terminus of Fibrillin 1, whilst Antibody C binds to the C terminus of Fibrillin 1. What is the best explanation for the staining pattern see in the following figure Antibody B Antibody A Antibody Carrow_forward
- Some research suggests that translation of proteins is regulated by ribosome stalling: ribosomes attach to mRNA and then stall; elongation commences only in response to a specific stimulus. What might be an advantage to gene regulation by ribosome stalling?arrow_forward. Which of the following mRNA codons signals the start of translation in eukaryotic cells? 5’-UGA-3’ 3’-AUG-5’ 5’-UAG-3’ 3’-GUA-5’ 5’-UAA-3’arrow_forward
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