Explain the fate of transferred chromosomal DNA ifrecombination does not occur in the recipient cell.

Q: Define gene knockout.

A: A gene is the basic and functional unit of heredity and can be defined as a functional part of DNA…

Q: Is chromatin structure is altered in transcription? Explain

A: Solution-  Chromatin- It is a thread like structure in nucleus. it's uncondensed molecules of DNA…

Q: Briefly explain how patterns of DNA methylation are transmitted across cell divisions.

A: DNA methylation is a biological mechanism that attaches methyl groups to DNA molecule. Methylation…

Q: explain Scope of heterochromatin effects?

A: Chromatin means DNA +proteins (histones) or histones combine with DNA known as chromatin. Both the…

Q: Define the Dna methylation.

A: DNA is copied by the process of DNA replication, which uses existing DNA strands to create new DNA…

Q: Describe chromatin when the CpG islands are methylated?

A: The eukaryotic chromosome is made of half DNA and half proteins. Out of total proteins, one half is…

Q: Why are some chromosomal regions amplified/deleted in a specific manner in certain tumor types?

A: Chromosomal amplification: Chromosomal amplification can be explained as the increase in the amount…

Q: Describe three examples of errors in cellular processes that lead to DNA duplications.

A: In molecular biology, DNA replication or duplication is the natural cycle of creating two…

Q: Describe how reversible chemical changes to histones are linked to chromatin modification.

A: Histones are basic proteins associated with DNA in the nucleus and allow it to condense in chromatin…

Q: Give a reason for the discontinuous synthesis of DNA on one of the parental strands?

A: DNA( deoxyribonucleic acid) is the double-stranded molecule that is the genetic material in most…

Q: Define histone code.

A: Histone code is the hypothesis that the transcrition of genetic information encoded in DNA is in…

Q: Define about copy number variations (CNVs) ?

A: Genomics is the study of genomes through analysis, sequencing and mapping of genes and non-…

Q: Explain the function of reverse transcriptase.

A: Transcription is the process of the formation of RNA from the DNA template strand. The enzyme is DNA…

Q: During S phase, how are histonesand their modifying enzymescontrolled to replicate…

A: Cells reproduce by a cycle of growing and dividing called a cell cycle. The cell cycle is the…

Q: define the term deletion loop

A: Chromosomes are thread-like structures that carry genetic information. Each chromosome consists of…

Q: Explain briefly the transcription termination stage.

A: The method of producing an RNA copy of a gene sequence is known as transcription. This duplicate,…

Q: Define the Chromatin Remodeling ?

A: Genes are the hereditary unit of an organism. The genes have DNA (deoxyribonucleic acid) which code…

Q: Define about Chromatin Remodeling ?

A: The DNA is packed into the nucleus by using the protein. The chromatin is a DNA- protein complex.…

Q: Explain the chromatin remodeling complexes ?

A: In eukaryotes, the DNA is firmly twisted and tightly coiled into a complex called Chromatin. This…

Q: Cells that continue toexpress telomerase include which cells?

A: A telomere is a region at the end of the eukaryotic chromosome that contains repetitive sequences.…

Q: n which condition does guanine-cytosine content inhibit the formation of right-handed DNA?

A: The guanine–cytosine content (or G+C content) is the percentage of nucleotides in a DNA or RNA…

Q: Explain how DNA methylation is heritable.

A: DNA methylation is the structural modification in the DNA that is done by the covalently addition of…

Q: If the recipient cell did not already have a lys− gene, could the lys+ DNA become incorporated into…

A: Transfer of genes in prokaryotes occurs through horizontal transfer mechanisms such as transduction,…

Q: Explain the following term: Gene:

A: Genes are found on chromosomes, which are small spaghetti-like structures.

Q: Define amplified

A: Amplified is a term used to expand something.

Q: Define gene locus

A: Gene is basic unit of heredity that is responsible for physical and functional activity.

Q: describe X-chromosome reactivation.

A: The X chromosome is one of the sex chromosomes that is an essential chromosome for survival. The X…

Q: explain Gene relocation due to transposition

A: Transposition is defined as the phenomenon of the relocation of one gene from one loci to another.…

Q: cell is deficient of Sgol, how would this affect the chromosome movement during Hosis I and II?…

A: Meiosis is a type of cell division that occurs at the time of gamete formation in the sex cells. It…

Q: determine the approximate number of amino acids that would be missing in the telomerase protein of a…

A: Telomeres are the repeating nucleotide sequences found at the ends of chromosomes. Telomeres…

Q: Describe two different ways that histone modifications may alter chromatin structure.

A: Chromosomes appear at the time of cell division in the form of thread like structures inside the…

Q: Contrast the   mobilization mechanisms ofretrotransposons and DNA transposons.

A: Transposable elements (TEs) are the small segments of DNA that can move from one position to other…

Q: Describe the technique of chromosome painting, and explain why it is used.

A: The thread-like structure found inside the nucleus of the cell is called a chromosome. It consists…

Q: describe primary transcript

A: The study of cellular molecules such as proteins and NAs (nucleic acids) is called molecular…

Q: How the process of chromatin condensation is performed?

A: As we understand, the cell DNA is never exposed and unaccompanied by different proteins. Maybe, it…

Q: Explain Termination of transcription by rho specific protein

A: The Rho factor is a protein that  is involved in termination of transcription in prokaryotes. Rho…

Q: Explain the function of reverse transcriptase enzyme.

A: Enzymes are the biocatalyst that enhances the rate of reaction. They decrease the activation energy…

Q: explain the statement Transposons can move genes to newchromosomal locations.

A: Transposons are referred to as chromosomal segments which can undergo transposition.

Q: Explain the special mechanism used to replicate chromosome ends

A: End replication problem occurs in the linear eukaryotic chromosomes where the ends of chromosomes…

Q: Give one examples of mutaion?

A: Any alteration in the deoxyribonucleic acid (DNA) sequence is termed as genetic mutation.

Q: Define copy number variants (CNVs)

A: The chromosomal alteration could be the structural or numerical abnormalities that exist in an…

Q: Explain what it is a region of condensed pinched chromosomes?

A: Chromosomes are stainable condensed chromatin fibres that are rod-shaped or threadlike. They are…

Q: Describe one way of mapping the location of histones on the gencome.

A: The DNA in a eukaryotic cell's nucleus is bundled into chromatin, whose fundamental building block,…

Q: Describe how specialized DNA polymerases are able to synthesizeDNA over a damaged region.

A: The hereditary unit of an organism is referred to as the DNA (deoxyribonucleic acid). The DNA…

Q: Define the function of reverse transcriptase.

A: The production of RNA from a DNA template strand is known as transcription. Because it forms RNA…

Q: Describe how reversible chemical changes to DNA and histones are linked to chromatin modification.

A: DNA is the genetic material in most living organisms. It is the information hub of the cell that…