Unit 1 - AOS1 - Other

Question 1

Apoptosis

Answer 1

Is a genetically controlled and highly regulated process of cell self-disctruction

Question 2

Necrosis

Answer 2

I’d the unplanned /unregulated process of cell destruction

Question 3

Steps of apoptosis

Answer 3

• cell shrinkage and the formation of blebs
• formation of apoptic bodies
• the clean up of apoptotic bodies through phagocytosis

Question 4

Steps of binary fission

Answer 4

• replication of the circular DNA the the cell starts to elongate
• the two circular chromosomes begin to migrate to opposite ends of the cell
• the cell pinches in the middle and a new cell wall forms along the middle of the cell
• septum extends and finally breaks in half to form two cell s

Question 5

Cancer cells

Answer 5

• contain mutations
• they skip the checkpoints in the cell cycle resulting in them to continue to divide with the mutation

Question 6

Ectoderm cells

Answer 6

• skins do nerves

Question 7

Endoderm cells

Answer 7

Liver and thyroid

Question 8

Mesoderm

Answer 8

Muscle and bones