Pg 33-35 Flashcards
(18 cards)
How are dividing cell populations controlled?
By programmed cell death
“The cell shrinks, becomes fragmented and ingested by adjacent cells” is a summary for what process?
Apoptosis
What can a large celular nucleus compared to the amount of cytoplasm tell you?
The cell is in a phase of cell division
Dense staining chromation in a coarse clumped pattern shows..?
Cancer
Neo-Plastic changes are?
Changes that hint the development of cancer
What system degrades cytosolic proteins?
Ubiquitin-proteasome system
What are normall cells united by?
Cell junctions
What does “priming” involve in apoptosis?
production of cell dissolving enzymes
Apooptopic cells loose s______ s______________ and j_________, shrinking in size
Surface specializations
Junctions
What happens to the nuclear chromatin beneath the nuclear membrane in apoptosis?
Condenses
Do the cell organelles remain normal?
Yes
What type of enzyme cleaves chromosomes into individual nucleosome fragments?
Endonuclease
Cell fragments are known as?
Apoptotic bodies
Each fragment contains viable m___________ and o_________
Mitochondria
Organelles
Apoptotic fragments are recognised by adjacent cells and are ingested by ______________ for destruction
Phagocytosis
Two other ways fragments are digested?
Extracellularly and by phagocytic cells
Can apoptosis be induced by pathological conditions despite being a physiological process?
Yes
Cell death that occurs due to damage is called?
Necrosis