Describe how p53 plays a role in both cell cycle arrest and in apoptosis.

Q: Describe how cyclin-dependent kinases (Cdks) are regulated and explain how they help cells pass…

A: The cell cycle is the lifespan of the cell from the time it is formed until it divides into two…

Q: apoptosis

A: Apoptosis Apoptosis is  a cell death which is done in a programmed manner. It is triggered by…

Q: Explain the structure and function of the mitotic spindle

A: In cell biology, the mitotic spindle apparatus is molecular machinery made up of tubulin, motors and…

Q: What role do tumor suppressors, including p53, play in mediating cell cycle arrest for cells with…

A: The cell cycle is an ordered series of events by which a cell duplicates its genome and divides into…

Q: How do mitochondria initiate apoptosis?

A: Apoptosis is defined as programmed cell death that occurs in multicellular organisms. Apoptosis can…

Q: Define the role of p53 in the cell.

A: The p53 was identified by Arnold Levine, David Lane and William Old in 1979. It was believed to be…

Q: What is apoptosis? Explain cell signaling pathways that triggers it.

A: Introduction :  A multicellular organism's life cycle includes a crucial process called cell death.…

Q: The frog Xenopus laevis has often served as a model system for the study of apoptosis. Can you think…

A: Apoptosis is also called as the programmed death of the cell which is controlled by the genetic…

Q: he most likely explanation for why overexpression of Myc can have such different outcomes in normal…

A: In the question, following information is provided :Cancer cells : over expression. of Myc,…

Q: Give two examples of events that can regulate the cell cycle externally.

A: The cell cycle and its length are variable and range from few hours (embryonic cells) to five days…

Q: A cell begins to undergo apoptosis due to stress. Which of the following are true about this cell?…

A: Apoptosis is the process of programmed cell death.

Q: Explain in detail (steps) how the intrinsic pathways initiates apoptosis.

A: Apoptosis is also known as programmed cell death, which allows multicellular organisms to break…

Q: Mutations in p53 are commonly associated with malignant tumor formation. Do deleterious mutations in…

A: Mutations are the phenomenon in which certain nitrogenous bases are removed or added spontaneously…

Oogenesis

The formation of the ovum (mature female gamete) from undifferentiated germ cells is called oogenesis. This process takes place in the ovaries (female gonads). Oogenesis consists of three stages known as the multiplication phase, growth phase, and maturation phase. 

Cell Division

Cell division involves the formation of new daughter cells from the parent cells. It is a part of the cell cycle that takes place in both prokaryotic and eukaryotic organisms. Cell division is required for three main reasons: