12a. In what condition is the LacZ gene transcribed? ANSWER (in one sentence) 12b. Fill in the following table about the Lac operon (LacZ gene) Environmental Condition + Glucose and + Lactose Glucose and + Lactose - Glucose and - Lactose + Glucose and - Lactose Which proteins bind to the LacZ promoter? ANSWER ANSWER ANSWER ANSWER Is LacZ transcribed? (Yes or No) ANSWER ANSWER ANSWER ANSWER

Q: Model 1: What conditions would need to be present in the cell in order to reverse the regulatory…

A: The operon is the system that explains the regulation of gene expression in terms of switching “on”…

Q: The lac operon consists of three structural genes, lacZ, lacY and lacA that are transcribed as a…

A: ii) LacP is called the promoter gene of lac operon.

Q: 6) E. coli can use the permease encoded by Lacy to take up the sugar raffinose, however raffinose…

A: Lac operon  Lactose operon is the group of three gene lacZ, lacY, and lacA which are linked to…

Q: Genes in both prokaryotes and eukaryotes are regulated by activators and repressors.a. Compare and…

A: Gene regulation refers to the mechanisms that are responsible for the repression or induction of…

Q: Choose the best answer. transcriptional bubble in prokaryotes is produced by… Group of answer…

A: Transcription is the process by which RNA is produced from the DNA template. This process occurs…

Q: The only way that information is extracted out of DNA is through the transcription of MRNAS that…

A: According to our guideline we can answer only the first question. So upload the second question…

Q: Termination of DNA transcription in prokaryotes can be   Question 22 options:   intrinsic or…

A: Termination of transcription is the process by which RNA polymerase-catalyzed RNA synthesis on a DNA…

Q: The lac operon consists of three structural genes, lacZ, lacY and lacA that are transcribed as a…

A: Lac operon has *3 structural genes- lacZ, lacY, lacA *promoter, *operator, *terminator, *regulator.

Q: Draw primary RNA transcript and mRNA. label any modifications that have been made in the structure,…

A: The given sequence is of the dna.this is the coding strand of the template and this consist of…

Q: Electrostatic interactions between positively and negatively charged protein surfaces are the only…

A: Let's explore the above questions are true or false.

Q: 12b. Fill in the following table about the Lac operon (LacZ gene) Environmental Condition + Glucose…

A: Gene regulation is the mechanism to control the amount of gene expression in the cells.

Q: Here is a list of knockout gene mutations that are desired to make in E. coli genome. You should…

A: A number of knockout gene mutations in the E. coli genome are shown to us in this scenario. Each…

Q: 13. Choose/mark the correct word to complete the statement. Consider the regulation of CAMP and the…

A: Operon is the segment of DNA which contains regulatory gene, promoter gene, operator gene and…

Q: . Define operon and describe how operons affect how bacteria can regulate their gene expression.

A: In prokaryotes, one promoter is able to regulate multiple genes.

Q: Enhancers promoters changing transcription potential insulator sequence translation distant the same…

A: 1. Enhancers can regulate genes from a distance, and yet they influence expression of only some…

Q: Answer the following questions based on the lac Operon metabolic pathway.

A: Gene Regulation In prokaryotes , control of the rate of transcription is the site for control of…

Q: lactose a. Activation CAP lac I repressor allolactose b. Repression CAP lac I repressor CAMP с CAMP…

A: Lac operon consists of the cluster of genes. The letters depicted in the lac operon below are as…

Q: 10. Modify the diagrams below to reflect the activation and repression of lac operon. Use arrows,…

A: Lac operon contains genes involved in metabolism. The genes are expressed only when lactose is…

Q: A. A mutation is recovered in the gene that encodes the lactose operon repressor protein (LacI).…

A: Lac operon is a simple prokaryotic group of genes for the metabolism of lactose. It consists of…

Q: Question 2 : With respect to the E.coli Lac operon, the lac repressor is: A. DNA B. RNA C. Protein…

A: DNA

Q: Which of the following sequences best describes the correct (5' – 3') organization of a typical…

A: A typical eukaryotic gene's organisation is a complicated process including a number of regulatory…

Q: the visual system, it is critical to keep a subset of neuronal genes in a repressed state to…

A: HAT play an important role  in regulations of gene expression. it helps to increase gene…

Q: If there was a mutation such that the lac I protein could no longer bind lactose, but could still…

A: Lac operon is responsible for the metabolism of lactose in bacteria.

Q: 5) The bacterial Lac operon is an example of transcriptional regulation. What are the major…

A: Using an example of Escherichia coli for the bacterial lac operon. Escherichia coli is a…

Q: A mutation in the trp repressor gene that prevents the apo-repressor from binding the co-repressor…

A: Tryptophan operon Tryptophan operon is negatively regulated operon, it includes five gene, promotor,…

Q: Part A If E. coli bacteria are placed in an environment that contains both glucose and lactose, the…

A: When glucose concentrations are low, E. coli can use other sugars as fuel. The c AMP-CAP protein…

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

A: Answer: Introduction: Eukaryotic cellular process is regulated in the transcription process and RNA…

Q: B. What is different about the way in which these two DNA sequences increase the rate of…

A: The Catabolite activator protein (CAP) in E.coli activates transcription at more than a hundred…

Q: Think about components/interactions of lac operon during conditions of: - glucose, + lactose…

A: In the presence of easily metabolisable sugars like glucose, the bacteria first utilizes the simple…

Q: 1. What are the main elements of the lac operon and their functions?

A: NOTE- Since you have posted multiple questions So we will be solving the first question for you. As…

Q: You mutated the gene encoding the cyclic AMP receptor protein (CRP). In this mutant, the CRP is…

A: Operon is a gene regulatory structure that contains clusters of genes and these clusters of genes…

Q: Under the following conditions, what will be occurring with the lac operon? Glucose: Present…

A: lac operon is present in E.coli and contain genes that control lactose metabolism and only active…

Q: 2. The promoter (P) is the start site of transcription through the binding of RNA polymerase before…

A: The lac operon: The lac operon or the lactose operon is the most widely studied gene with respect to…

Q: Please answer this question. I mainly want part A, but if you could answer part B as well, I would…

A: Transcription is the process of formation of mRNA from DNA molecule.  Translation is the process of…

Q: High levels of glucose in the environment result in low levels of transcription of the lac operon.…

A: Answer- glucose lowers the levels of cAMP, which is necessary to activate the CAP protein

Q: Which of the follow general transcription factors contains the protein TBP and binds to TATA box…

A: The correct answer is: a. TFIID TFIID is a general transcription factor that contains the…

Q: The next set of questions are all related to the following operon: This figure represents the ABC…

A: Introduction:- An operon is the unit of gene expression and regulation. It consists of promoter…

Q: When would the lac operon in E. coli be repressed, and why?

A: Operon includes a group of structural genes and regulatory sequences.

Q: (i) A repressor binds to RPA and an activator binds to RPC 1. [Select] 2. [Select] 3. [Select]

A: Gene expression, the process by which information from a gene is used to synthesize a functional…

Q: Class: Name: RNA Modification Questions Answer the following questions. 1. What is the initial…

A: # According to our guidelines we can answer only first 3 subparts or in case of short type questions…

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.