How can defects in the regulation of cell-cyle checkpoints would affect cells and explain how these defects relate to uncontrolled division in cancer and cancer progression? Describe the movements of chromosomes and the status of the microtubules spindle during interphase, prophase, metaphase, anaphase, and telophase?  Explain the movement of chromosomes during stages of meoisis to produce sperm and eggs?

Q: Cell cycle checkpoints are surveillance mechanisms that monitor the integrity and fidelity of the…

A: A check point is a stage in eukaryotic cell cycle at which the cell examines internal and external…

Q: A stem cell divides into two daughter cells goes on to become a terminally differentiated cell. What…

A: Stem cells are a special type of human cells. These cells are special as they are capable of…

Q: Describe the movements of chromosomes and the status of microtubule spindle during interphase,…

A: Interphase – During interphase, the chromatin gets decondensed inside the nucleus, due to which…

Q: Are replicated chromosomes are positioned on the cell’s equator anaphase, metaphase, or telophase?…

A: Introduction: Mitosis is that step in the cell cycle where the newly formed DNA is separated and two…

Q: Match these cell cycle checkpoints to their role in genome integrity Is the DNA replicated with out…

A: Introduction Cell cycle checkpoints are surveillance mechanisms in the eukaryotic cell cycle at…

Q: Normally functioning cell cycle regulators are molecular signals that do all of the following…

A: It inhibits progression through the cell cycle .

Q: How does p53 halt cell cycle progression when DNA damage is identified? p53 enhances expression of…

A: p53 protein is a transcription factor that regulates the expression of several genes which are…

Q: During anaphase of mitosis, sister chromatids are pulled to opposite poles of the cell by spindle…

A: Cell division is a process by which cell divides themselves from daughter cells. Mitosis is a kind…

Q: lividing cell? O the centrosomes are constantly digesting spindle fibers making it shorter pulling…

A: Mitosis is the type of cell division in which one cell is divided into two daughter cells. it…

Q: Which one of the following statements best describes the mechanism by which the "cell cycle control…

A: The question is about the cell cycle control framework, a pivotal biological process that guarantees…

Q: The human keratin 14 gene is found on chromosome 17. How many copies of the keratin 14 gene does a…

A: The human keratin-14 gene is located on the chromosome number 17. The human somatic cell (body cell)…

Q: What is the major difference between M phase and interphase of the cell cycle?     We can see…

A: The cell division cycle is a sequence of events that occur in a cell that is undergoing the division…

Q: Describe how Ras and p53 can alter the simplified genetic pathway controlling cell division shown…

A: There are two general types of genes that play a fundamental role in cancer induction:…

Q: Independent assortment occurs mainly during which phase?     Prophase I     Metaphase I…

A: The law of Independent assortment was proposed by Mendel. According to this law, alleles of two…

Q: cyclin-cdk complexes

A: The cell cycle is a series of steps where the chromosomes and other cell material double to make two…

Q: The process of cellular reproduction or divisions is a heavily regulated process for a number of…

A: Cell cycle checkpoints can be defined as the control mechanisms present in the eukaryotic cell cycle…

Q: Which of the following is least likely to result in the formation of a cancerous cell? A Dysfunction…

A: A normal cell is said to be cancerous if it looses its property of contact inhibition. In other…

Q: What are growth factors, and what role do they play in the control (or loss of control) of the cell…

A: Growth factors as the name suggest are responsible for the growth of certain body tissues s and thus…

Q: Which structure will form during the cytokinesis of a plant cell?    septum cell plate cleavage…

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

Q: Cancer can result from a variety of different mutational events. Which of the pllowing is LEAST…

A: Cancer is a group of diseases involving abnormal cell growth with the potential to invade or spread…

Q: Match these cell division phases with the appropriate processes Break down of the nuclear membrane […

A: A cell cycle is a series of events that takes place in a cell as it grows and divides. A cell spends…

Q: In your own words, explain how cancer cells differ from normal cells in regard to the following:…

A: One of the molecular mechanism for cells becoming cancerous is mutations in tumor suppressor genes…

Q: Across framework for chromosome movement during cell division 19.) the stage of cell division in…

A: DNA is genetic material present inside the nucleus of the cell which carries genetic information .…

Q: Describe the steps by which the TP53 gene responds to DNA damage and/or cellular stress to promote…

A: It codes for a protein or a functional product rRNA (ribosomal RNA) or tRNA (transfer RNA). DNA is…

Q: What are checkpoints? List some of the important checkpoints in the cell cycle.

A: As we know all cells are originated from pre-existing cells. So, to form new cell , cell division is…

Q: Homologous pairs of chromosomes are undergoing crossing over, but they have not yet lined up in the…

A: Homologous chromosomes exchange their non-sister chromatids during crossing over. In the cell cycle,…

Q: in which of the phases of the cell cycle do sister chromatids form?   -g2 phase of interphase -g1…

A: The cell cycle involves cyclical events that is responsible for dividing the cells equally with…

Q: During what stage Interphase, Prophase, Metaphase, Anaphase, Telophase and Cytokinesis is cell…

A: Cell division is the process by which a single cell divides into two or more daughter cells each…

Q: Describe the process of movement of chromosomes towards spindle poles during anaphase

A: In M phase, metaphase occurs before anaphase. During anaphase, the sister chromatids separate from…