= exons = introns Transcription termination site (also poly A site) Promoter Start of transcription 3' ТАА 132 ATT 5' ΑTG 50 ТАС 90 130 222 850 126 5' 32 QUESTION 3: What is the length in nucleotides of the mature, processed B-globin mRNA? A.620 B.980 C.438 D.1600

Q: The following DNA nucleotides are found near the end of a bacterial transcription unit.…

A: Transcription is one of the two main processes essential for gene expression. In this process, the…

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: Which of the following mutations could be appropriately describedas a position effect?A. A point…

A: The mutation is caused due to alteration occurred in the gene sequence due to either environmental…

Q: 1) RNA polymerase 2) sigma (o) subunit of RNA polymerase 3) rho (p) factor 4) transcription factors…

A: RNA polymerase  extend or polymerise RNA.   Sigma subunit of RNA polymerase binds to promoter…

Q: a. The promoter is to the right so transcription goes right to left. b. This sequence 5’…

A: Transcription is is a cellular process by which DNA can produce RNA by the use of RNA polymerase…

Q: D D Intron +1 E E A В В C GGGCGG GCCCAATCT TATAAA Intron -5000 -100 -25 1. What region functions…

A: The transcription is the process of conversion DNA to RNA . DNA stands for dioxy ribonucleic acid…

Q: Select the descriptions that are specific for a general transcription factor Select 2 correct…

A: Correct options are: Option A i.e. transcription factor can act to repress or activate a certain…

Q: Through alternative splicing, eukaryotes (a) reinforce gene inactivation (b) prevent transcription…

A: The transcriptional process of genes has some differences in prokaryotic cells and eukaryotic cells.…

Q: Which of the following is/are a role for the poly-A tail? (Select all that apply.) a) Facilitates…

A: Polyadenylation is a post-transcriptional modification process where the PolyA tail containing…

Q: During transcription, how many RNA nucleotide bases would usually be encoded by a sequence of 99 DNA…

A: Transcription is the first step of making a protein from DNA instructions. The human genome is made…

Q: 1. Determine what is being meant by each statements: a. It describes mRNA that results in a single…

A:

Q: 2. Given the mRNA for a protein: 5'-CCGAACGAUGGGCUAUCCCUAACCGUUU -- 3' Write the amino acid sequence…

A: The nucleotide sequence in mRNA is translated to an amino acid by rules of genetic code. A codon…

Q: 1.  Gene expression may be regulated after translation using the following mechanisms EXCEPT a. by…

A: Gene expression --Introduction -- Different cell types express different sets of genes . Two…

Q: Tay Sachs disease is an autosomal recessive disease in which a protein – Hex A - is abnormal. To…

A: Molecular Biology is the branch of biology that deals with a study of the composition, arrangement,…

Q: 1. Contents of the diagram below was discovered in the 1960s. Explain in detail what this diagram is…

A: Transcription is defined as the process by which the information present in a strand of DNA will be…

Q: The “domain-swapping” experiment that grafts the Gal4 DNA-binding domain to the LexA activation…

A: The ans is option C.

Q: 5. A mutant strain of Salmonella bacteria carries a mutation of the rho protein t hat has full…

A: Rho factor is involved in termination of transcription in prokaryotes. It binds to termination site.

Q: 1. Transcription: a)State the role of RNA polymerase in gene transcription.b. Explain why the DNA…

A: Transcription is the process of copying information from a strand of DNA to a newly synthesized…

Q: Specific transcription factors in eukaryotes interact with enhancers, which may be a long distance…

A: Transcription is the process by which mRNA is transcribed from double-stranded DNA. The core enzyme…

Q: A mutation in one gene that reverses the phenotypic effects of amutation in a different gene isa. an…

A: A mutation is a change that occurs in deoxyribonucleic acid (DNA) sequence during the process of…

Q: In a couple of sentences, explain how eukaryotic activator proteins (that are usually gene-specific…

A: Transcription factors are proteins that bind to neighbouring DNA and help switch particular genes…

Q: David Pribnow studied the base sequences of promoters in bacteria and bacterial viruses. He found…

A: The central dogma of molecular biology, given by Dr. Francis Crick states that the information…

Q: During translation, ____________ is the step in which new t-RNA is attracted to the ribosome (a)…

A: Translation is the process in which proteins are synthesized by ribosomes. Translation occurs after…

Q: A scientist compares the promoter regions of two genes. Gene A’s core promoter plus proximal…

A: Promoters are nucleotide sequences location upstream of a gene. They serve as sites where proteins…

Q: 3. Shown here is the structure of a human gene. = exons = introns Transcription termination site…

A: According to our guideline we can answer only first 3 subparts of a question. So, upload the…

Q: Original strand: G G G C T A G G G C C A A , Mutant strand: G G G G C T A G G G C C A A . What type…

A: According to our guideline we can answer only the first three subparts of a question. So, please…

Q: Assembly of transcription initiation complexes is mainly controlled by

A: Assembly of transcription initiation complex is a process of bringing together all the components…

Q: You saw this figure many times during the WC1 group work.   To get from the biomacromolecule(s)…

A: Biomacromolecules are the complex polymers of different monomer units (simple). In a human body,…

Q: Your investors are concerned that the GasP protein might not be sufficiently produced under normal…

A: Answer a. As the transcription of GasP protein has been 'triggered' by some chemical (abiotic…

Q: Which of the following is true regarding General transcription factors? a. Act at every gene for a…

A: Transcription factors are proteins which binds to DNA, resulting in regulation of gene expression…

Q: What would happen if a lysine residue that was normally acetylated was mutated to an arginine?  A.…

A: Lysine acetylation occurs in the eukaryotic and prokaryotic organisms and it mutates thousands of…

Q: A researcher is trying to identify regulatory DNA sequences near a gene of interes- Several modified…

A: An enhancer is a a short region of DNA that when present either upstream or downstream of a gene can…

Q: A human gene was initially identified as having three exons and two introns. The exons are 456, 224,…

A: Part A.

Q: In which strand is the promoter? 5' TCATGAGATA GCCATGCATA TCTAGTATGT AGGCATCTGA GTTTATATCT CA 3' 3'…

A: Phosphodiester linkages connect DNA strands, which are polymers or chains of deoxynucleoside…

Q: Transcription in prokaryotes produces mRNA that is ready to translate, while in eukaryotes the RNA…

A: Transcription is a proces of synthesis of RNA from DNA.During transcription;only one of the strand…

Q: Answer these questions concerning promoters. a) What role do promoters play in transcription? b)…

A: A region in DNA molecule that initiates transcription of a particular gene is referred to as a…

Q: a. What is grey donut shaped object supposed to represent? b. Label with the word "promoter" where…

A: Transcription is the first step of the central dogma, it is a process where an RNA transcript is…

Q: what is a promoter and give the element and their functions of E.coli promoter  b) what are…

A: The Hox transcription factor family is important for proper body pattern formation in organisms as…

Q: Promoters are DNA sequences a. near a transcription start site b. bound to a repressor protein c.…

A: it is related to molecular biology.

Q: 8. The following diagram represents the Christmas-tree-like structures during transcription. On the…

A: Introduction: A single nucleic acid strand has a backbone composed of repeating pentose-phosphate…

Q: The following diagram represents a transcription unit in a hypothetical DNA molecule. 5′ … TTGACA ……

A: Bacterial transcription is the process in which a segment of bacterial DNA is copied into a newly…

Q: Below is the double stranded DNA sequence of part of a hypothetical yeast genome encoding a very…

A: Introduction Transcription : It Is The Initial Stage In Gene Expression, Which Involves "The…

Q: B. Briefly describe/summarize what happens in Transcription (focus on the enzymes necessary for each…

A: The replication of DNA is semi-conservative and depends on complementary base pairing.…

Q: Cro protein expression and activity may be activated in a prophage by a)lysogenic dominance b)rapid…

A: Role of Cro protein:                     The host SOS response triggers the prophage induction by…

Q: Which of the following parts of the eukaryotic promoter are bound by general transcription factors?…

A: As visible In image GTF general transcription factor bind to core protein , proximal elements

Q: How does transcription resemble DNA replication? a. In both processes the new nucleic acid is…

A: DNA replication is the cycle by which a twofold stranded DNA particle is duplicated to create two…

Q: Choose the item in column 2 that best matches each item in column 1. A. Provides information for…

A: core RNA polymerase - multi subunit enzyme composed of 5 subunits : 2α , β , β' and omega.  RNA…

Q: 1. Where would the RNA polymerase II bind this piece of DNA = region B 2. What DNA sequence would…

A: 1. DNA polymerase 2 binds with the piece of DNA - B & A. Explanation - Region B is the - 80 CAAT…

Q: A DNA mutation in which of the following part of a gene is likely to be most damaging to…

A: It is a multiple choice question.

Q: The following diagram represents a transcription unit on a DNA molecule. a. Assume that this DNA…

A: The transcription is a process through which information in the DNA molecule is transcribed into…

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.