Genes in a bacteriophage that are expressed after expression of genes that initiate the lytic cycle Group of answer choices a. Immediate Early Genes b. Delayed Early Genes c. Late Early Genes d. Late Genes 2. The differential expression of alleles depending on whether they are maternally or paternally derived. Group of answer choices a. Position Effect Varigation b. Genomic Imprinting c. Epigenetic Inheritance d. Dosage Compensation 3. Amino acids at the N-terminal end of eukaryotic polypeptides that contain the information required for the post-translational processing and determining the extra-cellular destination of the nascent polypeptides. Group of answer choices a. Kozak Sequence b. Signal Sequence c. Chaperone Sequence d. Sigma Sequence

Q: Assuming that the level of glucose is low, a mutation in the repressor associated with the lac…

A: The lac operon stands for lactose operon. These are a set of genes that are found in E.coli and…

Q: Free DNA nucleotides bonds with the exposed complementary bases on the RNA template strand II. Poly…

A: The process of the formation of identical copies of DNA is called replication. It occurs in the…

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: 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: 24. TRUE or FALSE: A microRNA (in red) binds to its mRNA target (black) as shown below:…

A: False  The target will be cleaved.

Q: 37. Telomere Repetitive DNA found near the centromere of higher eukaryotes В. Specialized structure…

A: Since you have posted multiple questions, we will solve the first question for you. If you want any…

Q: 10. V(D)J recombination contributes to the diversity of immunoglobulins, and occurs by: A. Random…

A: Recombination or crossing across occurs, in this procedure, genetic material is exchanged between…

Q: Six strains of E. coli (mutants 1–6) that had one of thefollowing mutations (i–vi) affecting the lac…

A: In an experiment, six strains of E. coli named as mutants 1-6 have the presence of the mutations…

Q: 26) If there is no lactose present in the cell of a bacterium with a "lac operon" the repressor…

A: Operon system is an example of prokaryotic gene regulation in which the expression of polycystonic…

Q: 1. Determine what is being meant by the statements: a. What is a binary vector? What characteristic…

A: A vector is a DNA molecule that is used in molecular cloning to intentionally transport foreign…

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: 12. You want to determine the location of the promoter and operator for an operon. To do so, you…

A: 1) If operator is removed, expression becomes constitutive 2) If promoter is removed, there should…

Q: 1. why does the genome contain so many more genes for rRNA than mRNA? 2. why is it effective for a…

A: Since you have asked multiple questions, we will solve the first question for you. If you want any…

Q: Match the terms with the type of transposon B. IS A. retrotranspson abundant in humans A L1 8 DNA…

A: A DNA (deoxyribonucleic acid)  that is capable of transposition, such segments are mostly found in…

Q: 35.  Gene silencing by RNA interference acts by _____ of the target gene.

A: Ribonucleic acid or RNA is a type of nucleic acid that helps in the synthesis of protein. It is made…

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: 5. There are four genes in the FAK operon. a. How many mRNAs are encoded by this operon? b. The FAK…

A: Question 5 Answer a) There is only one mRNA that codes for four genes in the FAK operon.…

Q: A mutation in the Duchenne muscular dystrophy gene involves the deletion of two bases and their…

A: Boys are mostly affected by the Duchenne muscular dystrophy (DMD). It's an X-linked recessive…

Q: 11) Draw a bacterial expression vector with all required vector sequences. Be sure to label any…

A: Bacterial expression vectors are used to introduce foreign genetic material into a host in order to…

Q: 5. Six colorectal cancer (CRC) patient samples and one normal colon biopsy from a healthy individual…

A: Patient 3, 4, 5 and 6 are exhibiting aberrant Wnt signalling when compared from normal.  Level of…

Q: I. In the lac operon, repression occurs when there is no lactose present. II. In the absence of…

A: When lactose absent and glucose is present no transcription of lac operon happens. Becaise lac…

Q: I. CAP-CAMP complex binds to the operator locus blocking the RNA polymerase. II. In the presence of…

A: The lactose operon (also known as the lac operon) is a set of genes that are specific for uptake and…

Q: 8. Which of the following is a proto-oncogene? Select all that apply. a. Abl b. Ras c. Myc d. Bax

A: Oncogenes are genes that have the potential to cause cancer. They are mutated forms of normal genes…

Q: a. CRISPR-Cas9 is a valuable biotechnology tool. Explain how this system uses RNA and the result of…

A: CRISPR-Cas9  is known as unique biotechnology tool which allows medical researchers and geneticists…

Q: 7. Consider the 3 mechanisms of HGT in prokaryotes and identify 1) which one leads to the presence…

A: Horizontal gene transfer (HGT) refers to the transfer of genetic material from one species to…

Q: 1a.The complete genotype of the host yeast strain is MATa ade2 his3 leu2 met15 ura3.  Name one…

A: Hi! Thanks for your question. As the second part of the question (b) is incomplete because it does…

Q: 1. Which of these methods will allow cell counting and segregation? a. Flow Cytometry b. Western…

A: Introduction :- Bio-physical techniques or methods are combination of biological and physical…

Q: . As described in the textbook, the plasmid vector pBluescript II contains an ampicillin resistance…

A: A plasmid is a single-stranded, circular DNA molecule that is separate from chromosomal DNA and may…

Q: 1. A strain of E. coli is genetically engineered in which the lacZ and lacY removed and replaced…

A: Operon acts as a single regulated unit having one or more structural gene, promoter gene, a…

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: Match the eukaryotic polymerases and accessory proteins with the polymerases (or polymerase…

A: PCNA stands for proliferating cell nuclear antigen. In prokaryotes three different types of DNA…

Q: In a bacterial species with a "lac operon", the repressor protein will be bound to DNA when lactose…

A: Lac opreron is the custer of genes that regulates the expression of genes. It consists of one…

Q: Match the features of plasmids below with their meaning : Origin of replication LacZ gene antibiotic…

A: Plasmid is rounded Structure in the bacteria apart from main genome which functions as a a vehicle…

Q: 17. NF1 protein ---- Ras signaling. a. activates b. inhibits 18. The deacetylation of the histones…

A: *NOTE: Kindly repost for other questions. Dear Student as per the guidelines we are supposed to…

Q: 2. You are planning to clone a gene into the PBR322 plasmid vector. The gene has Bgl II restriction…

A: Gene cloning is the technique to produce the exact copies of the desired gene by utilizing genetic…

Q: Which of these is found in eukaryotes but not in bacteria?

A:

Q: female calico cat has patches of black and white due to random x-chromosome inactivation a.…

A: * Calico cats are always femal and they will displays red and black based colors  depends on which…

Q: I. Answer the following: 1. What are the main elements of the lac operon and their functions? 2.…

A: Definition:- An operon is a group of genes that are transcribed at the same time.  These are a…

Q: The selection of the clones in plasmid-based directed mutagenesis depends on O a. Replication error…

A: NOTE: AS PER OUR GUIDELINES WE ARE ONLY SUPPOSED TO ATTEMPT THE FIRST QUESTION, PLEASE RESUBMIT THE…

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 repair mechanisms can lead to frameshift mutations? a. Nonhomologous…

A: 1.Answer-- correct option is (b)        Nucleotide excision repair

Q: What type of genetic alteration allows p53 to promote cell growth

A: The missense point mutation on exon 7 of p53 gene promote the cell growth which later leads to the…

Q: Provide the SIGNIFICANT differences between the following: 1. Operon Systems Inducer/Lac…

A: An operon is a cluster of functional genes which are regulated by the common operator. Operons…

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.