Author Question: Initiation of apoptosis occurs primarily with: a. Activation of p53 b. Cleavage of appropriate ... (Read 112 times)

asmith134

  • Hero Member
  • *****
  • Posts: 576
Initiation of apoptosis occurs primarily with:
 
  a. Activation of p53
  b. Cleavage of appropriate caspases at timely intervals
  c. Stimulus from an inflammatory response
  d. Activation of BCL-2

Question 2

List three ways in which the caspase pathway can be activated. Explain the role of each, and indicate which arm of the caspase pathway will be activated.
 
  What will be an ideal response?



thall411

  • Sr. Member
  • ****
  • Posts: 332
Answer to Question 1

Correct answer: B

Answer to Question 2

Answer: The extrinsic pathway of apoptosis is triggered by extracellular death signals (TNF, Fas Ligand, and CD95). The intrinsic pathway of apoptosis is triggered by intracellular signals in response to stress, exposure to cytotoxic agents, and radiation.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
 

Did you know?

Drugs are in development that may cure asthma and hay fever once and for all. They target leukotrienes, which are known to cause tightening of the air passages in the lungs and increase mucus productions in nasal passages.

Did you know?

It is widely believed that giving a daily oral dose of aspirin to heart attack patients improves their chances of survival because the aspirin blocks the formation of new blood clots.

Did you know?

Prostaglandins were first isolated from human semen in Sweden in the 1930s. They were so named because the researcher thought that they came from the prostate gland. In fact, prostaglandins exist and are synthesized in almost every cell of the body.

Did you know?

Giardia is one of the most common intestinal parasites worldwide, and infects up to 20% of the world population, mostly in poorer countries with inadequate sanitation. Infections are most common in children, though chronic Giardia is more common in adults.

Did you know?

Increased intake of vitamin D has been shown to reduce fractures up to 25% in older people.

For a complete list of videos, visit our video library