Q: compare and contrast the negative and positive regulation of prokaryotic gene expression
A: The operon is a set of genes transcribed under the control of the operator gene. More particularly,…
Q: A scientist splices a eukaryotic promoter in front of a bacterial gene and inserts the gene in a…
A: Splicing is a process which ensures that the mRNA includes the correct information sequences.…
Q: The word transcribe means “to write out.” The word translate means “to express in another language.”…
A: In another language, Transcribe means “to write out” Translate means “to express in”
Q: How had DNA Microarray Technology revolutionized the study of gene activity? a) gene expression in…
A: A DNA microarray (also known as a DNA chip or a biochip) is a collection of tiny DNA patches that…
Q: Design an experiment to determine whether a specific gene is transcribed by RNA polymerase II.
A: RNA polymerase II (Pol II) is responsible for the flow of genetic information from DNA to messenger…
Q: Describe all the elements required to carry out the process of translation.
A: What is translation Translation refers to the process of polymerization of amino acids to form a…
Q: Describe how cDNA is made.
A: A cDNA or complementary DNA (deoxyribonucleic acid) is produced from ssRNAs (single-stranded…
Q: Two examples utilize RNA reverse transcription in their biology, what are they?
A: Reverse transcription is the exact opposite of the transcription. It involves the synthesis of the…
Q: Describe the effects of changing the promoter on the transcription of the DNA strand/gene the…
A: The promoter is the DNA (deoxyribonucleic acid) element that binds to the RNA (ribonucleic acid)…
Q: compare how histones and micro RNA control gene expression.
A: A gene is an essential unit of heredity and a succession of nucleotides in DNA or RNA that encodes…
Q: The process of turning genes on and off is known as Gene expression A O Gene regulation .B O Gene…
A: Gene is the specific sequence of nucleotides on DNA. It encodes a specific protein.
Q: Describe the relationship between gene regulation and gene activity in a cell.
A: A gene is a specific region of DNA with the information to make protein. Genes control the genetic…
Q: A principle of biology is the genetic material provides ablueprint for reproduction. Explain how…
A: The DNA (deoxyribonucleic acid) is the hereditary unit of an organism. It consists of purines and…
Q: A down promoter mutation causes the promoter of a gene to be_______ like the consensus sequence and…
A: For gene expression, the promoter is the most essential element, since it is the DNA…
Q: Which of the following phrases does not describe a function of the promoter? a. Serves as sequence…
A: DNA transcription is the process of the formation of messenger RNA(mRNA) from DNA. The genetic…
Q: Diagram a termination of transcription showing how inverted repeats can be involved in releasing the…
A: DNA and RNA are the genetic elements present in almost all cells. DNA encodes for proteins through…
Q: An activated eukaryotic transcription factor looks for specific:
A: Transcription is the process by which DNA is used as a template to synthesize an RNA sequence.…
Q: Describe how histones tighten and loosen their grip on DNA
A: Histones represent a family of proteins that are related to DNA (deoxyribonucleic acid) present in…
Q: Which of the following is least related to the other items? A. RNA Polymerase B. transcription…
A: Transcription It is defined as the process of production of RNA sequence from the DNA sequence. The…
Q: Explain how a reverse transcriptase activity within a cell can result in gene amplification.
A: Reverse transcriptase was the RNA dependent DNA polymerase enzyme where complementary DNA was…
Q: Compare and contrast transcription in bacteria and eukaryotes.
A: Step 1 Transcription is the formation of RNA (ribonucleic acid) over the template DNA. It generates…
Q: Which one is not a part of the transcription unit? a) RNA primase b) Promoter c) RNA coding sequence…
A: Deoxyribonucleic acid (DNA) is a double stranded helical genetic material containing thousands of…
Q: During transcription, the DNA can be modified by the enzyme DNA methyltransferase and will enhance…
A: In DNA 4 types of nitrogenous bases are found. That are adenine (A), guanine (G), thymine (T) and…
Q: describe how scientists use reporter constructs containing foreign genes whose protein products are…
A: Deoxyribonucleic acid (DNA) is a double-stranded molecule, which consists of two strands of…
Q: A binding site for RNA polymerase is called a .a. gene c. codonb. promoter d. protein
A: Transcription is a process in which one strand of DNA known as template strand is known as converted…
Q: Explain how the interaction of RNA polymerase with the promoter woulddiffer if the figure showed…
A: Step 1 Transcription is the formation of RNA (ribonucleic acid) over the template DNA. It generates…
Q: A mutation within the promoter region can alter transcription of a gene. Describe how this can…
A: A promoter is a transcriptional unit which is located towards 5' end (upstream) of the structural…
Q: The coding sequence for gene F is read from left to right. The coding sequence for gene G is read…
A: The original DNA strand that mRNA is built from is called the template strand because it serves as a…
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: Describe how the absence of the RNA polymerase enzyme affects the process.
A: RNA polymerase is an enzyme. It is used in the transcription process. The RNA polymerase binds to…
Q: The portion of a gene that will be expressed in a protein is called a(an) a. Exon b. Intron c.…
A: A gene is a segment or region of DNA (deoxyribonucleic acid) that encodes for proteins or regulatory…
Q: Which of the following is NOT a regulatory DNA sequence? Origin Promoter Repressor
A: A regulatory sequence is defined as a DNA sequence capable enough to affect the expression of…
Q: Write an essay below to describe the process by which mRNA is formed. Use these terms correctly in…
A: Transcription of DNA into mRNA and translation of mRNA into protein is known as the central dogma of…
Q: Sketch a figure to show how reverse transcription is catalyzed by the enzyme reverse transcriptase.…
A: Reverse transcription is a process of synthesis of RNA (short for ribonucleic acid) from DNA (short…
Q: You are trying to produce a mammalian protein in the bacterium Escherichia coli. To make sure you…
A: E.coli is a gram-negative bacteria. It contains plasmids that are used as vectors in many processes…
Q: Describe the major steps involved in gene transcription. This answer must not exceed 1200 words.…
A: Answer: Introduction: Prokaryotic gene expression is regulated by two processes i.e. transcription…
Q: Compare and contrast bacterial and eukaryotic gene expression mechanisms.
A: Crick established the central dogma of molecular biology by explaining the flow of genetic…
Q: Describe 2 ways RNA is processed after transcription
A: RNA processing after transcription is discussed below.
Q: A regulatory region shows all of the following properties except
A: Ans - a) can be located in an exon. Regulatory regions cannot be present at the exon portion of a…
Q: In eukaryotic cells, transcription cannot begin until(A) the two DNA strands have completely…
A: The deoxyribonucleic acid (DNA) is the hereditary material that transmits the genetic information…
Q: Give three examples of the importance of consensus sequences to gene expression.
A: The transcription is a process through which information in the DNA molecule is transcribed into…
Q: Based on your understanding of transcription, place the following events in the correct order.
A: The act of transcribing information from a strand of DNA into a new messenger RNA molecule is known…
Q: General transcription factors Select an answer and submit. For keyboard navigation, use the up/down…
A: The general transcription factors bind to other proteins or to a sequence element within the…
Q: A regulatory transcription factor protein typically contains _________ that binds to the ________ of…
A: Transcription is the first step in central dogma of protein synthesis. It involves formation of…
Q: Which of the following is involved in pre-transcriptional gene regulation? a.) alternative splicing…
A: Transcription is a process of converting the genetic information in the DNA to RNA in the nucleus of…
Q: Mistakes made during transcription affect the cell but are not considered “mutations.” Why not?
A: Answer: Introduction: Mutation- These are the random heritable changes that occurs in the DNA…
Explain in your own words the role of a medical transcriptionist
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- A promoter is ______. a. a specific sequence of DNA nucleotides b. a specific sequence of RNA nucleotides c. a protein that binds to DNA d. an enzyme that synthesizes RNADescribe the process of transcription in your own words, using the following terms: activator, enhancer, promoter, DNA bending protein, RNA polymerase, transcription factors, mRNA transcript.Use examples to describe transcription factors.
- What are the cellular activities that help describe "expression of genetic information"? (Choose all that applies) Replication Transcription C) Translation RegulationWhen summarizing the process of transcription in a cell as a gene is used to build a polypeptide, which of these statements accurately reflects the process of transcription? Choose ALL that apply. A - An mRNA molecule is produced in the nucleus of the cell. B - A polypeptide is synthesized based on the sequence of nucleotides on the tRNA molecule. C - The RNA molecules contains three nucleotides in a row whose bases form a codon. D - The ribosome attaches to the DNA to build a polypeptide. E - The resulting RNA molecule is a complement of the gene on the DNA.Use the simple flow chart below to outline the basic procedure of genetic engineering in six steps make sure that your answers are in form of short sentences or clauses with complete thought
- Discuss in your own wordings the concept of gene expression. proper explanation and diagramExplain the ideas of transcription and translation using this picture.For each of these things, say whether it describes the coding sequence or the regulatory sequence. The ______________ sequence determines the order of a protein’s amino acids. The ______________ sequence attaches to transcription factors. The ______________ sequence is where RNA polymerase attaches to start transcription. The ______________ sequence includes the start and stop codons. The ______________ sequence allows the gene to be activated in some cells but not others.
