WorksheetsMI 3.1.3 When Cells Lose Control
Total questions: 14
Worksheet time: 11mins
When is apoptosis initiated?
When DNA damage is repaired.
When cells are removed from the cell cycle.
When DNA damage cannot be repaired.
Random errors in gene replication that lead to a change in the sequence of DNA
Mutations
Cell Cycle Checkpoints
Mitosis
What is apoptosis?
What is the purpose of the cell cycle checkpoints?
To make sure the cell isn't duplicating too fast
They were there by chance and happen to help reduce the chances of cancer
To make sure that all parts of the cell are healthy to avoid mutations
What is osteosarcoma?
A type of blood cancer
A type of ear cancer
A type of eye cancer
What does metastasis mean?
Which is cancer: benign or malignant?
Choose the possible contributions to the development of cancer by causing changes to a cell's genes.
divide in an organized manner
proliferate indefinitely
respond to signals appropriately
have a low mutation rate
undergo apoptosis when necessary
efficiently repair DNA damage
evade apoptosis
inefficient DNA repair
ignore signals for growth control
contain distinct features
lose specialized features
have the same shape
vary in size and shape
have one small nucleus
have large, variably shaped nuclei
arrange themselves in an organized manner
have disorganized arrangement
What is an oncogene?
Are these cells normal or cancerous? (a)
