When a normal animal cell is deprived of survival factors, you would predict that... a) levels of pro-apoptotic members of the bcl-2 family of regulatory proteins decrease. b) proteases are activated that break down apoptosomes. c) a kinase cascade is activated that breaks down components within the cell. d) the cell crosses the G1/S restriction point and enters the cell cycle. e) levels of anti-apoptotic regulatory proteins such as bcl-2 decrease.
When a normal animal cell is deprived of survival factors, you would predict that... a) levels of pro-apoptotic members of the bcl-2 family of regulatory proteins decrease. b) proteases are activated that break down apoptosomes. c) a kinase cascade is activated that breaks down components within the cell. d) the cell crosses the G1/S restriction point and enters the cell cycle. e) levels of anti-apoptotic regulatory proteins such as bcl-2 decrease.
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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Transcribed Image Text:When a normal animal cell is deprived of survival factors, you would predict that ...
a)
levels of pro-apoptotic members of the bcl-2 family of regulatory proteins
decrease.
b) proteases are activated that break down apoptosomes.
c) a kinase cascade is activated that breaks down components within the cell.
d) the cell crosses the G1/S restriction point and enters the cell cycle.
e) levels of anti-apoptotic regulatory proteins such as bcl-2 decrease.
Transcribed Image Text:In a cell undergoing apoptosis, what would be the sequence of the following events?
release of cytochrome c from mitochondria
cleavage of cell components
recruitment and activation of procaspase-9
initiation of a caspase cascade
assembly of apoptosomes
increase in the activity of pro-apoptotic factors
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