In an XXYY human: two X chromosomes are inactivated in every cell one X chromosome is inactivated in each somatic cell none of the X chromosomes are inactivated in each somatic cell two X chromosomes are inactivated in each somatic cell

Q: All yhe cell in the human body has the same genome but have differences in their structure and…

A: A cell is the smallest unit of the body. It is joined to form the tissue. A cell consists of the…

Q: The protein p53 is activated when the cell's DNA is damaged. p53 helps to arrest the cell cycle in…

A: Cell division is controlled by a protein that is encoded by a tumor suppressor gene. Uncontrolled…

Q: Select the correct statement - - neural crest cells can differentiate into melanocytes, peripheral…

A: -neural crest cells can differentiate into melanocytes, peripheral neurons, and epinephrine…

Q: Describe the general conditions that must be met at each of the three main cell-cycle checkpoints

A: The cell cycle is monitored at the three check points, which are G1 , G2 and the third one is during…

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: After DNA damage (e.g. caused by X-ray exposure) in eukaryotic cells, the cell cycle can be arrested…

A: The protein cyclin and CDK (cyclin-dependent protein kinase) act together to drive the process of…

Q: rms of the cell cycle, what would happen if there was a defect in the Rb prote made it unable to…

A: Rb protein is a tumor suppressor protein that is it suppresses the tumor from growing. Hence Rb…

Q: There are several main model systems through which the first set of major breakthroughs in the…

A: The initial advances in our comprehension of cell cycle regulation are the topic of the question.…

Q: What might be a consequence if a person couldn't make the protein p53?

A: The division of a cell into two daughter cells with the same genetic material is known as cell…

Q: The human RGS10 gene is found on Chromosome 10.  How many copies of RGS10 does one cell have when…

A: A cell cycle is a series of event that occurs in a cell to divide it into two cells by the process…

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: Which of the following is NOT a typical mechanism by which a proto-oncogene is converted to an…

A: Proto-oncogenes are healthy genes that are found in the cell. They play a very important role in…

Q: Ultraviolet light may cause DNA damage. Any change to DNA is known as a "mutation". How might such…

A: MUTATION It is a change in a DNA sequence which  can result from DNA copying mistakes made during…

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: Which cells are shown in the figure below (under the X) ?

A: Cardiac muscle Cardiac muscle also known as heart muscles or myocardium. The heart of human being is…

Q: Why do females not produce more protein encoded by genes on the X chromosome than males? One X…

A: The Y chromosome is one-third the size of the X chromosome and contains about 55 genes while the X…

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: In attempting to design a drug that will impede cell cycle progression in ovarian cancers cells. you…

A: The answer is none of these.The cell cycle is a tightly regulated process that controls the growth…

Q: What does an onion cell look like at interphase at 400x?

A: Cell cycle is a term used to describe a series of intracellular events that take place for the…

Q: You are working in a cell biology lab that investigates non-small cell lung cancer cells, which of…

A: Non-small cell lung cancer (NSCLC) is the most common type of lung cancer, accounting for around 85%…

Q: The minichromosome maintenance complex is found in eukaryotes. True False

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

Q: Choose all of the TRUE statements. Hint: 4 statements are true.      Cytokinesis occurs the same…

A: Mitosis, a crucial process in eukaryotic cells, ensures the precise division of genetic material,…

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: You are growing up myoblasts C2C12 cells,to use in a myogenic study,You are using T-150 flasks with…

A: Nt = No 2^n n = t/g Where, Nt = final cell concentration No = initial cell concentration n = #…

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: The cell enters g1 and cyclin D binds with CDK4/6  Increases in cyclin D expression prevent p21/p27…

A: cell cycle goes through following steps in a sequence:-

Q: The value of "n" in the field mouse is 20. How many chromosomes are in a somatic mouse cell at the…

A: Introduction The cell cycle is a series of events that occur in a cell that result in DNA…

Q: Name at least one type of external stimulus that promotes re-entry of the cell cycle from G0 to G1…

A: The cell cycle is series of event by which a  cell undergoing replication of all material and…

Q: What are the mechanisms that are used by cells to regulate entry of the cell into the replicated…

A: Hi! As you have posted multiple questions and have not mentioned which is to be answered, we are…

Q: Which of the following statement is NOT true? O Cell cycle cyclin dependent kinases (CDKs) are…

A: The cell is the basic functional unit of all biological entities. The cell cycle is a process…

Q: You are growing up myoblasts, C2C12 cells, to use in a myogenic study. You are using T-150 flasks…

A: DNA replication occurs during S phase of cell cycle.

Q: cytoplasmic determinants

A: Stem cells are the specialised cells of body which have continuous power of division and power of…

Q: S OLIVE ✓ 00:47:29 Labels Ras is an example Can become oncogenes Both copies need to be mutated to…

A: Introduction : Positive growth regulator mutations that lead to hyperactivity are frequently…

Q: EFComplete the following table using the Ex 8 PPT (slides 16-21) on Canvas. #Cells in Cells in #…

A: The cell is the basic functional, structural and biological unit of all living organisms. Cell…

Q: Down’s syndrome in humans (trisomy 21), with 47 chromosomes in each diploid somatic cell, is…

A: Down's syndrome in humans also known as Trisomy 21 has 47 chromosomes in every diploid somatic cell…

Q: The protein p53 is a tumor suppressor - it is important in preventing cancer in humans. What…

A: The protein p53, also known as tumor protein 53 or TP53, is a crucial tumor suppressor protein that…

Q: Sol thất could occur include plete DNA replication, DNA damage in genome, and uneven separation of…

A: Progression of the cell cycle across the transition point is driven by groups of different protein…

Q: p53 gene, as is the Rb gene, is a tumor suppressor gene.  p53 protein binds to DNA leading to the…

A: p53 activates various responses, including cell-cycle arrest and apoptosis. Each of these appears to…