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Name: a) Define the term gene expressionb) State 4 difference between prokar
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Description: a) Define the term gene expressionb) State 4 difference between prokaryotes and eukaryotes gene expressionc) state the importance of regulating gene expression

Science

Biochemistry

ce between prokaryotes and eukaryotes gene expression c) state the importance of regulating gene expressio

BIOLOGY:CONCEPTS+APPL.(LOOSELEAF)

10th Edition

ISBN:9781305967359

Author:STARR

Publisher:STARR

Chapter9: From Dna To Protein

Section: Chapter Questions

Problem 15SA: Put the following processes in order of their occurrence during expression of a eukaryotic gene: a....

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Gene Expression: 14) Look at the diagram: a) For each of the molecules in the diagram, identify what type of molecule they are, and label their ends (3',5',N,C). b) For each arrow, name the process and identify the major enzymes involved. c) Where do each of these activities take place in a bacterial cell? In a eukaryotic cell? Draw a picture if it helps you explain it.
1. Bradykinin peptide: a) The sequence of the gene that encoded it, indicating with different colors, the direction, its components and the part of the cell where it occurs with the name of this stage. b) The sequence of the mature mRNA, indicating with different colors the structure of its components and the site of the cell with the name of the stage where it occurs. c) Mention the site of the cell where the bradykinin peptide was synthesized. d) In the DNA sequence make a point mutation by substitution, indicate with a different color the site and the effect it will have on the respective codon and to which amino acid it will be translated. 2. Based on the answer in (a), use the DNA sequence of bradykinin to describe the outcome of the replication step. 5. You have the picture of DNA transcription and mRNA translation between prokaryotic and eukaryotic cells.Instruction: Make a comparative chart showing the differences between the two cells. (image) 7. Methylations. Describe…
Put the following processes in order of their occurrence during expression of a eukaryotic gene: a. mRNA processing c. transcription b. translation d. RNA leaves nucleus
Expression of a gene, in terms of greater accumulation of the protein it encodes, could be increased by. A) increasing transcription of that gene. B) inhibiting proteases that break down the protein it encodes C) increasing the half life of its MRNA transcript D) A and C E) A, B and C
26) Eukaryotes are unable to couple transcription and translation because: A) the two processes occur in separate regions of the cell B) they do not have the specialized ribosomes that occur in bacteria C) the genetic code in eukaryotes is incompatible with the formation of polyribosomes D) the mRNA of eukaryotes do not have the appropriate spacers that polycistrons allow for polyribosomes to form E) eukaryotic mRNA molecules are monocistronic. asap please.
he DNA site that is bound by a transcriptional activator regulates gene expression in a) cisb) trans
A transcriptional activator protein regulates gene expression in a) cisb) trans
transcription in eukaryotes; a) Occurs simultaneously with translation. Ob) Does not require the RNA polymerase to bind to the promotor Oc) Requires transcription factors d) Occurs in the cytoplasm
In eukaryotic cells, alternative splicing of the pre-mRNA (primary transcript) to form different mature mRNAs is an example of _________________ regulation. A) transcriptional B)post-transcriptional C) translational D) post-translational
What is a possible outcome of the addition of a transcription factor such as Myod to the nucleus of a cell? Assume that there are no other factors to either activate or prevent the response of the cell. Group of answer choices A) Production of mRNA from genes that were previously not expresed B)adding methyl groups to DNA C)prevention of protein synthesis D)uncoiling of the chromatin to allow transcription
Which statement is false: A) Each type of protein ( ex: hemoglobin vs trypsionngen) varies in the length and amino acid sequence of its peptide B) After the rpocess of transcription is complete, the mRNA that is produced will continue being tranlsated by ribosomes for the rest of the cells life. mRNA never breaks down C) A ribosome will bind to an mRNA and will translate the sequence by reading one codon at a time and adding one amino acid to the peptide chain. It will stop the translation once it encounters a stop codon D) The gene for a protein provides the information on the legth of the peptide, along w the amino acid sequence so the protein can be synthesized by a ribosome E) Once mRNA has left the nucleus, ribosomes will bind to it and will follow the instructions in its sequence to make the new protien
A given coding strand sequence in a Eukaryote is as follows 5'GGGAATATAA GACCGATGGA GGGTACAG CCCTATCAC GATACGCAGG ATAGCAGCA 3" a) Mark the promoter in blue and transcribe from the G after the promoter. b) Translate the mRNA made c) The mRNA made by the cell was 10 nucleotides shorter than what you have made. What could have happened? d) EXTRA practice: A particular triplet of bases in the coding strand of DNA is 5'GAC 3'. What is the amino acid for this codon and will be the anticodon on the tRNA that binds the mRNA codon?