Select the incorrect statement: OA Transcription produces an MRNA of a gene that leaves the nucleus. O B. A hydrophobic hormone-receptor complex may increase the expression of a specific protein by stimulating the transcription of more of that protein's MRNA. OC Protein synthesis is a two-phase process that includes transcription and translation. O D. In the process of transcription, the entire chromosome is copied by RNA polymerase.

Select the incorrect statement: OA Transcription produces an MRNA of a gene that leaves the nucleus. O B. A hydrophobic hormone-receptor complex may increase the expression of a specific protein by stimulating the transcription of more of that protein's MRNA. OC Protein synthesis is a two-phase process that includes transcription and translation. O D. In the process of transcription, the entire chromosome is copied by RNA polymerase.

Name: Select the incorrect statement:O A. Transcription produces an mRNA of
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Description: Select the incorrect statement:O A. Transcription produces an mRNA of a gene that leaves the nucleus.O B. A hydrophobic hormone-receptor complex may increase the expression of a specific protein by stimulating the transcription of more of that prote

Concepts of Biology

1st Edition

ISBN:9781938168116

Author:Samantha Fowler, Rebecca Roush, James Wise

Publisher:Samantha Fowler, Rebecca Roush, James Wise

Chapter9: Molecular Biology

Section: Chapter Questions

Problem 10RQ: Control of gene expression in eukaryotic cells occurs at which level(s)? a. only the transcriptional...

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Number the following steps of protein synthesis in the order in which they occur, starting with 1 and ending with 9.a. _____ The stop codon is reached, and the polypeptide is released.b. _____ The small ribosomal subunit finds the start codon, and the large ribosomal subunit joins.c. _____ The end of the gene is reached, and the pre-mRNA is released and then edited.d. _____ The transcription factor binds the promoter.e. _____ The protein is folded and modified to become functional.f. _____ RNA polymerase builds the mRNA transcript.g. _____ mRNA and initiator tRNA bind the small ribosomal subunit.h. _____ New tRNA molecules are brought into the A site successively, and the peptide chain of the tRNA in the P site is joined to the amino acid of the tRNA in the A site.i. _____ mRNA exits the nucleus via a nuclear pore.
Number the following steps of protein synthesis in order in which they occur, starting with 1 and ending with 9. a. ____ the stop codon is reached, and the polypeptide is released b.____ the small ribosomal subunit finds the start codon, and the large ribosomal subunit joins. c.____ the end of the gene is reached, and the pre-mRNA is released and then edited. d. ____ The transcription factor bonds the promoter. e. ____ the protein is folded and modified to become functional. f. ____ RNA polymerase builds the mRNA transcript. g. ____ mRNA and initiator tRNA bind the small ribosomal subunit. h. ____ new tRNAs are brought into the A site successively, and the peptide chain of the tRNA in the P site is joined to the amino acid of the tRNA in the A site. i. ____ mRNA exits the nucleus via a nuclear pore.
Some hormones act by binding to the promoters of particular genes in such a way that RNA polymerase can attach much more easily to that gene. What effect would this have on whether or not the gene is “expressed”?
For each statement about gene expression mechanisms, choose the correct end to the sentence. For each gene, the template strand for transcription is determined by…. The direction of translation is determined by…… The tissue-specificity of protein production is determined by…. choices: a. location of the start codon b. location of the promoter c. direction of polymerization by RNA polymerase d. none of these e. direction of movement of ribosomes f. overall orientation of the chromosome
Which of the following statament is NOT TRUE about gene expression?a. The expression of genes that code for proteins includes two stages: replication and translationb. Translation is the synthesis of a polypeptide using the information in the mRNA.c. During gene expression, the information encoded in genes is used to make specific polypeptide chains or RNA molecules.d. Gene expression is the process by which DNA directs the synthesis of proteins
Which of the following may produce more than one functional protein from an mRNA transcript?a. chromatin condensation b. transcriptional regulation c. epigeneticsd. alternative mRNA processing
Which of the following gene expression regulatory mechanisms saves the most energy but takes the longest to fully express the genes once signaled? a. transcriptional regulation b. post-transcriptional regulation c. post-translational regulation d. translational regulation
a hormone receptor gene is deleted from the genome of a cell.in the absence of the hormone,what would you except about the expression of a gene that is activated by the hormone signiling?what would you expect to happen to the gene expression if the same cell is now treated with hormone?
Which of the following is an example of post-transcriptionalcontrol of gene expression?(A) the addition of methyl groups to cytosine bases of DNA(B) the binding of transcription factors to a promoter(C) the removal of introns and alternative splicing of exons(D) gene amplification contributing to cancer
Which of the following is NOT a mechanism of control of gene expression Group of answer choices a. Co-dominance b. mRNA transport c. DNA Methylation d. Control of translation e. Control of transcription
Control of gene expression in eukaryotic cells occurs at which level(s)? a. only the transcriptional level b. epigenetic and transcriptional levels c. epigenetic, transcriptional, and translational levels d. epigenetic, transcriptional, post-transcriptional, translational, and post-translational levels
Choose the option that goes with the blank. The parentheses after the blank are the choices. In gene expression, a gene is _________ (translated, transcribed) into mRNA, which is then _________ (translated, transcribed) into a protein.