Q: Could stem cells be made to differentiate into meat cells and then cloned to produce edible meat?
A: Stem cells are specialized undifferentiated cells that have the ability to give rise to different…
Q: What functions does supercoiling serve for the cell?
A: Supercoiling refers to a double helix of DNA that has undergone additional twisting in the same…
Q: What are histones and what do they do?
A: Histones are highly basic proteins which are found in the nucleus of the eukaryotic cell, which…
Q: Why interphase is called prepering phase?
A: The series of events in a particular sequence that leads to the division of parent cell into…
Q: Different types of alternative splicing events ?
A: The DNA (deoxyribonucleic acid) is the hereditary unit of an organism. The DNA is transcribed to…
Q: What is the difference between a prophage and a Lysogen?
A: A virus that parasitizes a bacterium by infecting the bacterial cell and replicate inside bacterium…
Q: Why is it wrong to call the created elements cells?
A: Blood is a liquid connective tissue that flows within the blood vessels of the body. Blood is…
Q: Distinguish between totipotent, pluripotent, multipotent, and unipotent stem cells.
A: Stem cells are reserve cells that can be differentiated into more specialized cells by mitosis. Stem…
Q: What is Allosomes? State its other name?
A: Chromosomes are long thread-like structures that carry coded genetic information in the form of DNA.…
Q: What can happen to chromosomes in cancer cells?
A: Cancer cells vary from normal cells in a range of ways. Normal cells become cancerous after a…
Q: What is the difference between pluripotent and multipotent stem cells
A: Pleuripotent Stem Cells These cells can give rise to all of the cell types that make up the body.…
Q: What is facultative chromatin?
A: Chromatin are of two types. They are euchromatin and heterochromatin. Euchromatin are enriched with…
Q: what is the role and relevence of chromatin in gene expression
A: Chromatin: It is the mass of genetic materials composed of DNA and Proteins which are condensed to…
Q: What are promoters with respect to DNA?
A: Introduction Genes are the typical genomic sequence which undergo transcription to produce the…
Q: Why Interphase Polytene Chromosomes Arise by DNA Amplification?
A: The gene is the unit of heredity for all living entities. This resides in the form of chromosomes…
Q: What are the two common characteristics of stem cells?
A: Two common characterstics of stem - cells are : Perpetual self - renewal. Ability to differentiate…
Q: What are core histones?
A: DNA is wrapped around histone octamer to form nucleosome. In a nucleosome structure of DNA double…
Q: difference between cytoplasmic determinants and induction?
A: A process in which cell can influence the fate of development of other cell is known as induction…
Q: Which histone is not a necessary component in the formation of nucleosornes?
A: In eukaryotes, the DNA is packed in a compact form in which a DNA segment is wound around 8 histone…
Q: what is the definition of epigenome
A: Epigenetics is the study of how modifications to DNA and histones influence gene expression.…
Q: What role does chromatin structure play in cell memory and in cell reprogramming?
A: Cellular reprogramming is a process of formation of pluripotent stem cells from mature and…
Q: What is the role of histone proteins in the nucleus?
A:
Q: Why exosome complex destroys the mRNA ?
A: Exosomes are defined as vesicles which are nano metric-sized, being packed as biomolecules ranging…
Q: What is the function of euchromatin?
A: The chromatin is the complex formed by the condensation of DNA and histone proteins. Chromatin…
Q: What are histones made of and Why histones are basic proteins?
A:
Q: What two properties define a stem cell? Distinguish between a totipotent stem cell, a pluripotent…
A: In the body, stem cells work as a repair system. Stem cells are cells having the ability to develop…
Q: What is the function of histones?
A: Chromosomes are thread-like structure situated inside the nucleus of plant and animal cells. Each…
Q: What are the basic functions of histones?
A: The folding of the DNA molecule into a compact, orderly structure that fits into the limited space…
Q: How many types of histones and non histone are there?
A: Histones are highly basic proteins present in the eukaryotic cell nuclei. They pack and order the…
Q: Are all pluripotent stem cells created equal, however?
A: Pluripotent cells are capable of repeated division to form most or all of the cell types but cannot…
Q: how is the structure of chromatin loops beneficial to a cell?
A: DNA is the genetic material and in humans it is very large molecule compared to size of cell .
Q: How
A: Introduction :- In the cell nucleus, the DNA double helix is tightly wrapped around nuclear…
Q: What are reporter gene ?
A:
Q: What is allosteric repressor ?
A: Biology terms are fundamental concepts and terms used in biology, which is the study of life and…
Q: how is genetic information organized in a cell
A: Heritable biological information is encoded in DNA or RNA nucleotide sequences (some viruses), such…
Q: How are chromosomes in eukaryotic cells packaged?
A: The eukaryotic DNA can be packed into chromosome shape. this type of packaging is only observed it…
Q: What role do histones play in nucleosomes?
A: Introduction Each human cell contains around 2 meters of DNA which contains about 3 billion base…
Q: What role do the initiation factors play in protein synthesis?
A: Protein synthesis is the process in which the protein is being produced by RNA through translation.…
Q: What are transcription factors and why are they important? Explain.
A: Introduction Protein is the key biomolecule in the biological system, any important physiological…
Q: Why does chromatin condense during apoptosis?
A: Apoptosis is a genetically programmed phenomenon where a dying cell breaks off in many small…
Q: What are CDKs? How do they contribute to cell division
A: The Vital proteins involved in the control of cell cycle are Cyclin-dependent kinases / CDKs.
Q: What makes up histones?
A: HISTONES are a family of proteins that are associTED With DNA in the nucleus and these proteins help…
Q: What is the function of the spliceosome in hnRNA?
A: Introduction- Eukaryotic hnRNA is known as heterogeneous nuclear RNA that forms cytoplasmic mRNA in…
Q: Histones are made of which structures?
A: The genetic material DNA is found in all organisms and it is found in the nucleolus of the nucleus.…
Q: What are a transcription unit?
A: Transcription is the cycle by which the data in a strand of DNA is duplicated into another molecule…
Q: What are induced pluripotent stem cells? How are they derived from adult somatic cells?
A: Pluripotent stem cells are those cells that have the ability to renew themselves by dividing and…
Why are some stem cells called pluripotent?
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- What is the function of histone?Distinguish between totipotent, pluripotent, multipotent, and unipotent stem cells.Adult stem cells, such as those in the bone marrow, brain, or hair follicles, can best be described as ______, whereas embryonic stem cells are described as ______. a. totipotent; pluripotent b. pluripotent; multipotent c. multipotent; pluripotent d. totipotent; multipotent