Compare the control of gene regulation in eukaryotes and prokaryotes in terms of: a. transcription b. regulatory mechanisms and its components

Q: association of 2alpha and 2 beta chains to form adult hemoglobin     identify which describes the…

A: Translation is process of conversion of RNA to protein.

Q: What is the default state of the lac operon? a. LacI repressor is sitting on the operator sequence…

A: Lacl repressor is sitting on a operator sequence and blocks RNAP from transcribing lacZYA

Q: Although the specific mechanism of RNA interference has not been fully defined, it involves A. the…

A: The RNA interference works at the post transcriptional level because it occurs after the synthesis…

Q: 1. For each of the following, explain how eukaryotic transcriptional initiation would be affected.…

A: According to bartleby expert guidelines, when multiple questions are posted we are allowed to answer…

Q: Describe the organs of the GI tract including the four accessory organs

A: Answer: Introduction: The role of the digestive system in human body is 'breakdown down of foods,…

Q: An enhancer:  A. is a consensus sequence in DNA located where RNA polymerase first binds. B. may…

A: An enhancer refers to a sequence in the region of DNA that bind to certain transcription factors and…

Q: 4. Apolipoprotein B is a protein that binds lipids and carries them around the body. One of the two…

A: The rate of translation varies amongst prokaryotes and eukaryotes. In prokaryotic cells, this rate…

Q: 8. Professor X at the University of Hong Kong recently identified a new gene "LivX" which is only…

A: The gene is the sequence of nucleotides that code for a specific protein in a cell. The expression…

Q: 1.True or false: In a bacterial species with a "lac operon", the repressor protein will be bound to…

A: Prokaryotic gene regulatory system is known as operon system. In this process the expression of…

Q: 1. in a TATAT sequence, would the number of sequences similar to a promoter increase or decrease if…

A: In this question, we discuss the possibility of variation affecting the number of sequences similar…

Q: A mechanism of control in E. coli not discussed in this chapter involves pausing of ribosomes…

A: Introduction  Gene Regulation: Expression of gene is highly regulated in both prokaryotes as well as…

Q: Which statement(s) below regarding DNA mutations is true: A. Mutations only occur in genes B.…

A: Ans: D) Mutation can occur in promoters.   Mutation is a change in the sequence of DNA due to…

Q: 10. In eukaryotes, the level of chromatin organization (how nucleosomes are packed together) Is…

A: Deoxyribonucleic acid, or DNA, is a molecule that holds the information that allows an organism to…

Q: 3). Consider the four mutations (i-iv) described below: i. One of the mutations causing cystic…

A: A mutation is a permanent change in the DNA sequence of an organism's genome. Mutations can occur…

Q: functional insulin required the association of two polypeptides known as the A and B chains…

A: Pre transcription control involves in DNA methylation.  Transcriptional control involves in…

Q: .Is attenuation likely to be involved in eukaryotic gene regulation? Briefly explain your answer.

A: Attenuation is a regulatory mechanism used in bacterial operons to ensure proper transcription and…

Q: 1. Lac and Trp Operon are two different processes of sugar and amino acid. Describe the differences…

A: Lac and Trp operon are found in E. coli and other bacteria.

Q: 1. Write a short note on transcription. What is TFBS? What is the role of RNA polymerase?

A: Since you have asked multiple questions with multiple subparts, we will solve the first question for…

Q: )A scientist compares the sequence of a disease gene and a healthy gene and finds that these two…

A: The gene is the unit of heredity that is carried out from the parents to the offspring. This…

Q: 21. Which of the following is NOT a function/ property of the Signal Recognition Particle  a.…

A: The Signal Recognition Particle (SRP) is a ribonucleoprotein complex and plays important roles in…

Q: 1. Using the data available describe the phenotype that you observe when each of these three genes…

A: The question is related to the use of RNA interference (RNAi) to study the function of specific…

Q: 17. Which of the following can turn a repressible operon on? A. An increase in concentration of the…

A: An operon is a functioning unit of genomic DNA in prokaryotes that consists of a cluster of genes…

Q: 15. What percent of a typical mammalian genome is classified as an exon? A. 0.7% B. 1.5% C. 3.2% D.…

A: The complete set of genes or the total amount of genetic material present in a cell or an organism…

Q: of gene. 12. Steroid hormone receptor complex binds to the A. transcription start site B. promoter…

A: Steroid hormones are lipid-soluble molecules that can easily diffuse through the cell membrane to…

Q: 3. You are investigating an abnormal eukaryotic cell line that makes mRNAs much longer than the…

A: mRNAs are single-stranded RNA molecules that are complementary to one of the DNA strands of a gene.…

Q: . heterochromatic regions decondense for gene expression a. pre-transcriptional control b.…

A: Heterochromatin regions are condensed regions of the chromatin that are transcriptionally switched…

Q: 5. Scientists recently described a unique family of chemotactile receptors (CRs) that allows for…

A: Octopuses are highly intelligent and resourceful animals that possess a complex nervous system and…

Q: Part of a gene is written below, and transcription begins at the boxed T/A base pair and proceeds…

A: Gene is present on a chromosome and contains hereditary information. These genes are later…

Q: 53. The DNA sequence from which a functional non-coding RNA is transcribed is often called an RNA…

A: The fundamental structural and operational unit of heredity is the gene. DNA nucleotides make up the…

Q: The nr2f5 gene is transcribed into mRNA in both neurons and glia. The microRNA miR-5xb has partial…

A: Introduction  The expression of genes is highly regulated in both prokaryotes as well as in…

Q: 4. To understand the function of the Bcl11a protein, scientists attempted to knockdown its…

A: Small interfering RNAs (siRNAs) are a powerful tool for gene silencing, having the potential to…

Q: Eukaryotic cells have multiple complex mechanisms for the regulation of gene expression, but a…

A: Answer :- a) Operons Explanation - Eukaryotic genes aren't organized into operons, therefore every…

Q: tight packing of previously less condensed chromatin   identify which describes the statement…

A: Post translational modifications in histone proteins can change the shape of chromatin, which can…

Q: Which of the following gene regulation mechanisms are found ONLY in prokaryotes?   a. coordinate…

A: DNA modifications can happen in both prokaryotes and eukaryotes, Transcriptional and Translational…

Q: Identify the eukaryotic level of gene regulation. Choose the correct answer below. a. Pre-…

A: INTRODUCTION Eukaryotic level of gene regulation include epigenetic, transcriptional, post…

Q: Which of the following conditions will result to deactivation of a gene? a. histone methylation b.…

A: In this question we have to describe about regulation of genes . See full answer in step 2.

Q: Which of the following statement about transcription is accurate? a) It occurs in the nucleus. Ob)…

A: Introduction  Transcription is the process by which genetic information encoded in DNA is used to…

Q: 26. Synthesis of a repressible enzyme is stopped by a the allosteric transition b. the substrate…

A: In the regulation of gene expression, various mechanisms come into play to control the activity of…

Q: . What are the functions of the following list of RNAs; a. mRNA b. rRNA c. snoRNA d. snRNA e. tRNA…

A: RNA is a single strand of ribonucleic acid which is made up of polynucleotide chain. A nucleotide…

Q: 1. With reference to the figure, discuss the results of the Western Blotting experiments, what they…

A: This is the technique that is used to analyze various proteins from the mixture extracted from…

Q: 1. Which types of RNA are transcribed by each RNA polymerase enzyme in eukaryotic cells?

A: Transcription is the synthesis of RNA from DNA that is the process of copying the information of a…

Q: onsidering the 7 levels of gene regulation, which of the following mechanisms acts at first level?…

A: Gene expression is a tedious process involving several steps such as replication, transcription and…

Mitochondrial Mutations

A mitochondrion is a cellular organelle that serves as the site for cellular respiration and energy production (ATP or Adenosine Triphosphate). It is a double-membrane-bound organelle and is only present in eukaryotic cells.