Answer to Question #161566 in Molecular Biology for Virat

Question

Exercise 1. Fill in the table:

Types of apoptosis

Types of apoptosis

Characteristics

"Apoptosis from the inside"

"Apoptosis on command"

Answer 1

1. Apoptosis on command:

Trigger: External factors.

Death stimuli: Fas ligand or TNFa bind to Fas or TNFa receptors, respectively.

Mechanisms: Activation of caspase 8.

Number of cells involved: several cells.

2. Apoptosis from the inside:

Trigger: intrinsic impairment.

Death stimuli: Expression of Bax and Bak.

Mechanisms: Formation of apoptosome and activation of caspase 9.

Number of cells involved: only one cell.