Which of the follow general transcription factors contains the protein TBP and binds to TATA box promoters first? Group of answer choices TFIID TFIIB TFIIA TFIIF
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Gene Interactions
When the expression of a single trait is influenced by two or more different non-allelic genes, it is termed as genetic interaction. According to Mendel's law of inheritance, each gene functions in its own way and does not depend on the function of another gene, i.e., a single gene controls each of seven characteristics considered, but the complex contribution of many different genes determine many traits of an organism.
Gene Expression
Gene expression is a process by which the instructions present in deoxyribonucleic acid (DNA) are converted into useful molecules such as proteins, and functional messenger ribonucleic (mRNA) molecules in the case of non-protein-coding genes.
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- Bong Question #1: The diagram below depicts the regulatory regions for two (made-up) genes, which contain cis-regulatory sequences X, Y, and Z and bind to transcriptional regulatory proteins: zelo led diogot bolgate SMARTY – a transcriptional ACTIVATOR protein, which is present in all neuronal cells and binds to cis-regulatory sequence, X1oq & vino 19vewod.152 moldong sai mut tum BRAWNY-a transcriptional ACTIVATOR protein, which is present in all muscle cells and binds to cis-resgulatory sequence, Yolgulum di ko malo na SNARKY - a transcriptional REPRESSOR protein, which is present in peripheral neurons only and binds to cis-regulatory sequence Z 100 bio se i da se lotimo broup gniwollt od 19 bolgate ons zegg or we de base do no me to stir noitesup od went of sistemos seu anoitesup 15wens horle 10oldog woy ni gnius stoted 1910 ni tatayot ovizasovo got no rade od lliw anioq azia oo ingene Aroom or b X y Jeol VELY gan 100 Tonnodige ΤΑΤΑ, 229nibrow dong H .aodto diw atse meldong mov.no o…You continue to study the expression of the hexose kinase gene and capture the following electron micrograph of the gene being expressed. MRNA 1 20 ORI 40 60 TTCGAGCTCTCGTCGTCGAGATACGCGATGATATTACTGGTAATATGGGGATGCACTATC AAGCTCGAGAGCAСCAGCTСТАТGCGСТАСТАТААТGAССАКТАТАСССТАCGTGATAG 5" 3' RNA promoter polymerase 4a. Was this micrograph taken of a sample prepared from human cells or prokaryotic cells? How do you know? 4b. What is the sequence of the first 10 nucleotides of the transcript of this gene? 5' 3' --- 4c. What are the first 5 amino acids encoded by this gene? )Note - there is a codon table available at the beginning of this exam. N' C' 4d. Will translation stop at the UAA which begins at position 41? Explain your logic 4e. You also study the expression of 3 different mutants for this gene. For each mutant answer the following: Does this mutation change the sequence of the protein produced? Why or why not? If it does change the sequence of protein be sure to write out the new…From the list given - choose all of the regulatory proteins that would bind the eukaryotic gene to control its expression THERE ARE MULTIPLE ANSWER TO THE QUESTION Group of answer choices A RNA polymerase II B 3' UTR C mediator protein D 5' UTR E activators F coding sequence G specific transcription factors H general transcription factors
- A single mutation in one of the transcription factors inProblem 33 results in a drastic reduction in YFG transcription. Diagram what this mutant interaction mightlook likeYou study the expression of the hexose kinase gene and capture the following electron micrograph of the gene being expressed. MRNA 1 20 ORI 40 60 ТТCGAGCTCTСGTCGTCGAGATACGCGATGATATTАСТGGТААТАТСGGGАTGCАСТАТС 3' 5' AAGCTCGAGAGCAGCAGCTCTATGCGCTACTATAATGACCATTATAÇECCTACGTGATAG ΤΑTC promoter RNA polymerase Practice Question 4 C) What are the first 5 amino acids encoded by this gene? N' C' ribosomeYou study the expression of the hexose kinase gene and capture the following electron micrograph of the gene being expressed. MRNA 1 20 ORI 40 60 AGATACGCGATGATATTACTGCTA AAGCTCGAGAGCAGCAGCTCТАTGCGCTACТАТААТGACCАТТАТАССССТАCGTGATAG 3' TТCGAGCTCTСGTCGTCGAGA ПААТАТСGGGATGCАСТАТ С 5' RNA promoter polymerase Practice Question 4 G) You also study the expression of different mutants for this gene. Mutant C has had the first 5 base pairs deleted (position 1-5). Does this mutation change the sequence of the protein produced? Why or why not? If it does change the sequence of protein be sure to write out the new sequence. If it does not change the protein sequence, what effect (if any) would you expect it to have on expression of the gene? For mutant C answer the following: Does this mutation change the sequence of the protein produced? Why or why not? If it does change the sequence of protein be sure to write out the new sequence. If it does not change the protein sequence, what effect (if any)…
- You study the expression of the hexose kinase gene and capture the following electron micrograph of the gene being expressed. MRNA 1 20 ORI 40 60 TTCGAGCTCTCGTCGTCGAGATACGCGATGATATTACTGGTAA! AAGCTCGAGAGCAGCAGCTСТАTGCGCTAСТАТААТGACСАТТАТАССССТАСGTGATAG 3' СTGGIAATATOGGGATGCACTАТС 5' RNA promoter polymerase Practice Question 4 F) You also study the expression of different mutants for this gene. Mutant B has a 2 G/C pairs inserted between position 19 and 20 (position denoted by the ^ in the sequence above). For mutant B answer the following: Does this mutation change the sequence of the protein produced? Why or why not? If it does change the sequence of protein be sure to write out the new sequence. If it does not change the protein sequence, what effect (if any) would you expect it to have on expression of the gene? 1 20 ORI 40 60 3'...TTCGAGCTCTCGTCGTCGAGATACGCGATGATATTACTGGTAATATGGGGATGCACTATC...5' 5'..AAGCTCGAGAGCAGCAGCTCTATGCGCTACTATAATGACCATTATACCCCTACGTGATAG...3' promoter m in…Refer to the following illustration to answer the question. O protein A is not made because it is normally required for its own transcription TRANSIENT SIGNAL TURNS ON EXPRESSION OF PROTEIN A What is protein A? O a maintenance methyltransferase O a histone PAY O a cell type-specific gene regulator a HAT (histone acetyltransferase) any of the above PAD the effect of the transient signal is remembered in all of the cell's descendantsThe Assembly of Class III Transcription Initiation Complexes consists of TATA-binding protein (TBP) TBP-associated factor (TAF) Both None
- Which of the following general transcription factors aids polymerase binding in the right direction on promoters? Group of answer choices TFIID TFIIB TFIIA TFIIFWhich of the following would be used to describe a gene that is transcriptionally controlled by activator ahd/or repressor proteins? Constitutive Regulated Environmental-independent. Permanently repressed. Permanently enhanced. Moving to another question will save this response. 144 Hz ms CURVED Optix MAG271C CAMING Firameless Desgn Gomine Os0 APP msi High Rofresh Rate Fast Respense Time Curved GamingGiven the following schematic for a gene and its associated regulatory regions, answer the following questions by placing the correct letter in the provided blanks please put in the correct letter for the questions What region would provide cell type-specific expression of genes? region What site would significantly increase gene expression rates? = region What region or regions of this gene’s coding sequence are expressed as amino acids = region