Choose all of the following that you think are correct Protein(s) that play a role in initiating transcription in eukaryotes include A) general transcription factors. B) transposase enzymes C) RNA polymerase II. D) mediator protein complex. E) enhancers F) topoisomerase G)helicase

Q: Most structural genes of bacteria are grouped together and transcribed from a single affect…

A: DNA and RNA are are nucleic acids present in the organisms. DNA is the deoxy ribose nucleic acid…

Q: Suppose a gain-of-function mutation happens in an oncogene. Which of the following changes is likely…

A: Cancer causing gene is known as oncogenes and its an abnormal active gene which promotes growth of…

Q: gene transcription regulation in eukaryotes that are post-transcriptional/pre-translational:

A:

Q: The lac operon is an example of ________ control in which the presence of an ________ is required…

A: lac operon is present in E.coli and it produce the enzymes which are required for the lactose…

Q: Transformation: A) O is the process by which a bacterium converts genetic information into a protein…

A: Prokaryotes are the single celled organisms (unicellular) and are the simplest form, which do not…

Q: My Avya mouse is brownish because a) the CpG island with the transposon is unmethylated. b) it was…

A: Epigenetic systems that facilitate gene-environment interactions are involved in the ability of…

Q: 1. a)What would happen if the aminoacyl tRNA synthetase responsible for charging alanine tRNAs also…

A: The polymerization of amino acids according to the codons on mRNA to form proteins is known as…

Q: What epigenetic modification(s) would you expect to see near a gene promoter where transcription is…

A: The histones undergo methylation and acetylation for close and loose packaging of the DNA. The…

Q: a piece of DNA is produced with  1) an enhancer from a gene expressed in the liver, 2) a promoter…

A: Given: A piece of DNA is produced with 1) an enhancer from a gene expressed in the liver, 2) a…

Q: i)Describe attenuation control and how it is used to regulate gene expression. ii)Give a specific…

A:

Q: A full-length eukaryotic gene is inserted into a bacterial chromosome. The gene contains a complete…

A: The eukaryotic DNA is composed of coding and non-coding sequences, almost 90% are non-coding…

Q: Match each one (they can be repeated): 1) Plasminogen- Plasmin 2) Pro-insulin- Insulin 3) CFTR…

A: Transcription and translation are two crucial mechanisms of all living cells. The enzyme  RNA…

Q: Which of the following statements is not true of both the LacI and TrpR repressor proteins?a) an…

A: The objective of the question is to identify the statement that is not true for both LacI and TrpR…

Q: Which of the following is true about the HesC gene? Choose all possible answe a) repressed by the…

A: Hematopoietic Stem Cells (HSCs) are the main cells inside the hematopoietic system that have the…

Q: An alien visits Earth and is found to have the same 'genetic code' as humans. However, the alien has…

A: Mutation occurs when there is a change or damage in the DNA in such a way that it alters the genetic…

Q: 9. In eukaryotic gene expression, non-coding RNAS such as miRNA (microRNA important role in gene…

A: Ribonucleic acid is a nucleic acid found in all living organisms. The term "RNA interference" refers…

Q: TBP stands for?a) TATA box polymeraseb) TATA-box binding proteinc) Transcription associated factord)…

A: TBP is a type of a protein that helps in the process of transcription. Transcription is the process…

Q: Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an…

A: Transcription factors are the class of nuclear proteins that facilitate transcription. It is studied…

Q: Which of the following statements is true regarding the lys2-128d reporter?  Select all that apply.…

A: INTRODUCTION Lys2-128d is a reporter allele of the Spt- gene in Saccharomyces cerevisiae (yeast)…

Q: Which of the following is not true of cDNA produced usinghuman brain tissue as the starting…

A: Introduction  Central Dogma: it is the key mechanism by which DNA can be transcribed into mRNA by…

Q: Match the type of chromatin modification with the most likely effect on gene expression near the…

A: DNA and histone proteins, which are essential elements of the chromatin structure, are chemically…

Q: Eukaryotic genomes have many copies of genes H1, H2A, H2B, and H3, but some copies have accumulated…

A: This question is based on mutations and genome.

Q: A) List the steps for gene expression in prokaryotes and eukaryotes. B) Relate the differences in…

A: The gene expression the process in which the genetic information present in the DNA (gene) is copied…

Q: The attenuation mechanism that helps block expression of the tryptophan operon requires all of the…

A: In transcriptional attenuation, the expression of genes are negatively regulated by controlling the…

Q: When ligand bin

A: 23) the correct answer is B) Animal cells respond to hormones produced by bacteria.   These hormones…

Q: Rho independent terminators Select an answer and submit. For keyboard navigation, use the up/down…

A: Transcription is the process in which the RNA is formed out of the DNA. The process of transcription…

Q: Most inherited forms of cancer involve _______________ and these individuals are for the mutation.…

A: Firstly we can examine what each of the terms given represents. 1. Tumor suppressor gene: It is a…

Q: Which of the following mode of gene regulation CANNOT be regarded as "transcriptional regulation"…

A:

Q: The RNAi and the microRNA (miRNA) pathways share many components and characteristics. What unique…

A: After being processed and incorporated into the Argonaute proteins which employ them for controlling…

Q: Which of the following bacterial operon is not controlled by attenuation? a) Histidine b) Leucine c)…

A: The bacterial operon that is not controlled by attenuation is the arabinose operon. Attenuation is a…

Q: The regulation of the trp operon genes by the Trp repressor protein is an example of ______ gene…

A: The regulation of the trp operon genes by the Trp repressor protein is an example of  negative gene…

Q: A mutation takes place that switches a codon from ACG to ACA. What type of mutation is this? A)…

A: A mutation is a random change in the DNA sequence.

Q: Nucleosome-free regions: A) are always only associated with genes that are being actively…

A: Introduction :- The organization of genetic material in eukaryotic organism's nucleus is done with…

Q: How do repressors reduce transcription of an operon? A) recruit RNA polymerase to promoters B)…

A: Repressors are the proteins that has a negative effect on the expression of gene. These are those…

Q: The absence of tryptophan (trp) in E. coli A) O produces an inactive trp repressor B) O causes…

A: The gene regulation in prokaryotes (E. coli) is controlled by operon system. On operon system…

Q: Speculate as to why eukaryotes have either a) much more complex promoter and enhancer regions than…

A: In eukaryotes the process of transcription and translation are physically separated because the…

Q: The lac operon has which of the following characteristics? O 1) usually requires an activator…

A: In Eukaryotes all genes are separate and produce individual mRNAs on transcription. However, in…

Q: Question 1 (1 point) Which statement(s) about the lac operon in E. coli is correct? O A) It is an…

A: The lac operon in Escherichia coli (E. coli) is a well-known example of gene regulation in bacteria.…