Describe the action of the lysosomes in various “unique” situations, such as the destruction of specific cells during embryonic development, or the part they play in the shedding of the endometrium of the uterus during the menstrual cycle

Q: chaperone mediated autophagy.

A: Autophagy that is mediated by chaperone proteins is called chaperone-mediated autophagy. The…

Q: Explain in detail how phosphorylation of retinoblastoma (rb) protein leads to transition of the cell…

A: The RB1 (retinoblastoma 1) gene codes protein called pRb. It is a tumor suppressor gene (genes whose…

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: A classical experiment studying the fate determination of stem cells in the developing embryo uses…

A: Answer :- Option ( D) is correct. - The organs arising from quail somites develop in the reverse…

Q: The function of the M-phase checkpoint is to check that the microtubules of the mitotic spindle have…

A: Cell division is a process of a parent cell replicating it chromosomal content and dividing itself…

Q: Why is the differentiation of oocytes a great model for studying protein localization?

A: Protein localization is a process in which proteins gets accumulated in any particular location to…

Q: Describe the importance of Wee1, Myt1, CAK and cdc25 activity on the activation of the cyclin B/CDK1…

A: CDKs are the proteins whose concentration increases or decreases during the cell cycle. The…

Q: // Which of the following can become oncogenes by over-expression of the normal protein? src O Cip…

A: Introduction :- Oncogene is a  gene that is a mutant (changed) version of a normal cell growth gene.…

Q: Answer as directed: Identify, define and describe each of the following terms: a. chromatid b.…

A: Explanation: a) A chromatid is one-half of a duplicated chromosome, and it is joined to its…

Q: Describe how Microfilaments is involved in fertility (either directly or indirectly), include 5…

A: Fertilization is the phenomenon through which male and female gametes fuse together and create…

Q: Dr. William's lab is studying cell division on a mutant primary mouse cell line. Interestingly the…

A: Cell division is the production of new daughter cells from the mother cell. There are usually two…

Q: Changes to the p53 protein structure can be caused by differences in DNA and can affect protein…

A: Mutations are alterations to the DNA sequence. Depending on the location of the mutation, it can be…

Q: (e) If half the chromosomes of a human primary oocyte segregate into the first polar body, which…

A: To get the remaining sub-parts solved, please repost the complete question and mention the…

Q: A mutated form of protein p5x is found in patients with squamous cell carcinoma. In vitro studies…

A: A gene that produces a protein that is essential for regulating cell division and death and is…

Q: These types of proteins are responsible for all the following events during cell division: movement…

A: Approach to finding a solution to the problem:1. Determine the most important activities that take…

Q: Which is true for cancer cells:  1) Cell death occurs after a determined number of cell divisions…

A: Cancer are one of the main causes of death due to chronic failure of organs such as stomach, lungs…

Q: Cleavage furrow formed during cytokinesis is found in? A-both in animal and plants B- neither in…

A: Cytokinesis ensures correct partitioning of nuclear and cytoplasmic contents into separate daughter…

Q: Using specific molecular evidence, elaborate on the remark "oocyte activation entails inactivation."

A: Egg activation refers to the early events that occur at fertilization and that start the development…

Q: Explain why metastasis can lead to multiplesecondary tumors in different sites.

A: When there is some mutation that occurs in the DNA of any cell that leads to abnormal and…

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: Why would a chromosomal translocation that puts a proto-oncogene under the control of a widely…

A: Please follow step 2 for detailed explanation.

Q: Which of the following statement(s) about cyclins is false? O Cyclins bind to cyclin dependent…

A: Cyclins concentration changes during the cell cycle. Cyclins are a family of proteins. Their…

Q: help please

A: The stage shown in the diagram is Cytokinesis which is taking place in an Animal cell

Q: To determine : The number of chromosomes in the HeLa cell.  Concept introduction: HeLa cell is the…

A: HeLa cells is a cell line used for scientific research and is obtained from the cervical cancer…

Q: Match the definition on the left with the proper term on the right Transport system inside the cell…

A: The question is asked to match the following definitions with specific terms. Collection of cells…

Q: What molecular mechanism seems to be responsible for the movement of the poles during anaphase?

A: Anaphase is a dynamic stage of the mitotic stage during which each pair of chromosomes is separated…

Q: The Human papillomavirus (HPV) has been linked to an increased risk of cervical cancer. The HPV E6…

A: P63 genes provide instructions for the production of a tumor protein p63 (also known as p63). The…

Q: Explain what epigenetics is?  Please explain the role of epigenetics in vernalization.

A: Growth and development are modulated by environmental signals in many organisms. These signals are…

Q: Describe how Intermediate Filaments is involved in fertility (either directly or indirectly),…

A: The intermediate filaments are minute fibre-like structures inside the cell. They are the cell…

Q: The function of Paclitaxel was described in the simulation as preventing the microtubules from…

A: The question dives into the domain of cell biology, particularly centering on the affect of…

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: Tobacco smokers (and those exposed to tobacco smoke) are at greater risk of an ectopic (tubal)…

A: Ectopic pregnancy is defined as the implantation of a fertilised egg outside of the uterus, most…

Q: Describe the likely consequences of bypassing the G1 and G2 checkpoints in the cell cycle. Why do…

A: A cell cycle includes a series of events that form new cells from the parent cells.

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: Describe the molecular process of X-chromosome inactivation.This description should include the…

A: Introduction: Female offspring has two X chromosomes, one of which is inherited from mother and the…

Q: A. Name the two proteins that induce a negative feedback in this pathway and explain why both…

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

Q: Explain the normal regulation of proto-oncogenes and tumor suppressor genes that prevents cells from…

A: Oncogenes and tumour suppressor genes are two types of genes that relate cell cycle regulation to…

Q: Describe how Microtubules is involved in fertility (either directly or indirectly), include 5 roles…

A: The protein filaments located in the cellular cytoplasm are interconnected and form a dynamic and…

Q: Cancer cells typically lose cell cycle entry control. Explain how the following mutations, which are…

A: Mutations are changes or alterations that occur in the DNA. Mutagens are the agents that are…

Q: The p53 protein regulates the expression of BAX and Bcl2 to keep division at normal rate. Explain…

A: The p53 gene codes for p53 protein which regulates the expression of BAX and Bcl2 to keep cell…