One way that researchers create a cell line that is "immortal" (divides forever in culture) is by introducing DNA that forces the cell to express telomerase. Why do cells that don't express the telomerase protein stop dividing? What specifically goes wrong?

Q: In several experiments, you find these orders of genes getting transferred in from the chromosome…

A: F plasmid is a type of plasmid which allows the transfer of genes from one bacteria to the other…

Q: In cancerous cells, telomeres are substantially longer then telomeres found in non-cancerous cells.…

A: Telomeres are the repetitive DNA–protein complexes at the ends of chromosomes, that are important…

Q: The figure below shows a partial chromosome map of an E. coli Hfr strain.  Each mark = 10 minutes…

A: Given: A partial chromosome map of an E. coli Hfr strain.  Each mark = 10 minutes between…

Q: 51.  In conjugation, the F+ cell ................................         Group of answer choices…

A: As per our guidelines, we are supposed to answer first question only. Please repost other question…

Q: Which of the following is NOT a mechanism by which plasmids increase the possibility of being…

A: The DNA (deoxyribonucleic acid) is the hereditary unit of an organism. It consists of purines and…

Q: During X inactivation, all but one gene get silenced on one X chromosome. Why does one gene escape…

A: X inactivation This process is also called lyonization and through this process, one of the copies…

Q: A research laboratory uses a cancer cell line that has undergone thousands of cell cycle divisions…

A: Chromosome is a compact form of a DNA molecule along with some proteins. It is generally seen in…

Q: You are tutoring a fellow student about the genomes of prokaryotes. You ask them to give you one…

A: The objective of the question is to identify the correct statement about the genomes of bacteria…

Q: Telomerase is not active in most human cells. Some cancer biologists have suggested that activation…

A: Telomere is a repetitive nucleotide sequence added at each end of the chromosome. It acts as a…

Q: "If we could turn on telomerase activity in all our cells, we could prevent aging" is true or false.

A: Many potential risks, such as wrinkles, skin folds, a loss of sight, hearing, and sense of smell,…

Q: Which of the following solves the problem of shortening of chromosomes in each cell cycle?a) DNA…

A: The DNA replication mechanism is a semiconservative replication in which the parent DNA acts as the…

Q: how can two cells with the exact same genome obtain different structures and functions?

A: Cells are not only characterised by their genome , but also by genes they express.  Cells have…

Q: Select the true statements: A.) It is possible, through genetic engineering, to fuse a fluorescent…

A: Explanation:     -A fluorescent fusion protein can indeed be produced by fusing a fluorescent…

Q: In yeast cells, telomerase remains active and maintains telomeres of about 300 base pairs. Propose…

A: Telomeres play a very important role in preserving our genome information.

Q: You have found that two types of bacteria (one large, one small) can undergo horizontal gene…

A: Bacteria are small single cell organisms. They found everywhere on earth. Some of them can survive…

Q: If you wanted to make an assay detecting SARS-CoV-2 virus presence, like the assay shown in the…

A: In the sandwich ELISA, two antibodies called matched antibody pairs, which are specific for…

Q: It is possible to take the DNA of a gene from any source and place it on a chromosome in the nucleus…

A: Recombinant DNA technology is the process in which the recombination of genetic material takes place…

Q: According to the question，how do we know if we see more than 2 copies ，it indicate the cell is…

A: The cell cycle is a sequence of events by which a cell duplicates its genome and synthesis other…

Q: In the reproductive cloning of an animal, what cell type is used as the source of the genome of the…

A: Cloning is the process of creating an organism or a population of organisms that are genetically…

Q: Bacteriophage λ, after infecting a cell, can integrate into the chromosome of the cell if the…

A: Temperate phages are bacterial viruses that as a part of their life cycle reside within the…

Q: Using a diagram, and 3-5 sentences, explain the relationship between cell immortality and telomerase…

A: Each time a cell divides, the telomeres get shorter. Telomeres are a region of repetitive nucleotide…

Q: Which of the following are essential to the condensation of chromosomes as cells enter mitosis?a)…

A: Mitosis is a process of cell division in which a cell nucleus splits into two resulting in the…

Q: In the experiment below, flasks of human fibroblasts are either transfected with a control gene or…

A: The cell division is the process by which a single mother cell divides and produce two or more…

Q: In yeast, you have sequenced a piece of wild-type DNA and it clearly contains a gene, but you do not…

A: To find the mutated genes one must code all the amino acid of the genetic modified yeast and normal…

Q: A line of mouse cells is grown for many generations in a medium with 15N. Cells in G1 are then…

A: A line of mouse cell, which has been growing in a 15N -rich medium for generations will have only…

Q: In 1994, telomerase activity was discovered in human cancer cell lines. Although telomerase is not…

A: The expectation of this survey is to depict what is known and obscure about telomerase in…

Q: Why was an understanding of the cell cycle crucial to the success of Wilmut’s team in the first…

A: Cloning is a process carried out to produce identical species or individuals with the help of…

Q: E. coli is severely exposed to UV light and is DNA damaged, but it attempts to replicate its genome.…

A: U.V. Light -- Ultra Violet Light -- It is the shortest wavelength of Ultra violet light emitted  by…

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: Discuss how ultra violet light works as a mutagen. This could include: What is UV light and the…

A: Electromagnetic radiation is an energy form that possesses both magnetic and electrical components.…

Q: Despite being asexual, bacteria can develop genetic variability during the process of conjugation.…

A: Conjugation is a process involving the exchange of genetic material between bacteria via direct…

Q: What is the role of the enzyme telomerase? In what kind of cell is it normally most active and most…

A: Telomerase is the enzyme responsible for adding telomeres to DNA. The ends of chromosome are called…

Q: In eukaryotes, sexual reproduction is the main process by which new gene combinations are generated.…

A: Genetic material passes on from parents to offspring along with the information loaded in the form…

Q: Telomere shorting is related to aging. Telomerase can extend telomeres. Why do we not just figure…

A: ANSWER: Despite the fact that telomerase has been related to the protection of cancer, studies have…

Q: First picture: 1. What must be added in a minimal media for the recombinants to grow? 2. What must…

A: Here's the breakdown of the media to select for F- ala+his+val- recombinants:Minimal Media…

Q: In normal cells, the telomeric DNA sequences are which of the following (select one)?   A. Get…

A: 1. Telomere is a repetitive sequence of TTAGGG at the end of chromosomes. 2. During DNA replication,…

Q: Why does the probe bind to a specific site on a chromosome?

A: Cell division is the process by which a cell divides into two daughter cells. During this process,…

Q: Which statement is true of topoisomerases? They alter chromosomal condensation by regulating…

A: The DNA is the genetic material in living organisms that is a double stranded coiled macromolecules.

Q: propose a method with the help of which they can generate many copies of the gene.

A: The production of multiple copies of a gene from a single gene, this technique is called as DNA…

Q: Hello, I did a Natural Transformation lab and have these questions to answer but don't really…

A: Natural transformation is a process by which some bacterial cells can take up and incorporate…

Q: Some flatworms can regrown body parts when injured. In the lab, you can sever the tail or head off…

A: The ability of an organism to regenerate amputated body parts is known as regeneration. There are…