Mitosis & The Cell Cycle

During this phase, the cell makes final preparations to divide. For example, it makes additional proteins and organelles. 

• G₂
• G₁
• metaphase
• S

A chromatid is attached to a spindle fiber by the

• nucleolus
• deep furrow
• centromere
• centriole

Tags

NGSS.HS-LS1-4

What is the sequence of stages during the cell cycle?

• G1 → S → G2 → mitosis → cytokinesis

• mitosis → G1 → G2 → cytokinesis → S

• G1 → G2 → S → mitosis → cytokinesis

• G1 → G2 → mitosis → cytokinesis → S

What is the first checkpoint of the cell cycle?

• Mitosis checkpoint

• G₁ checkpoint

• G₂ checkpoint

When is apoptosis initiated?

• When DNA damage is repaired.

• When cells are removed from the cell cycle.

• When DNA damage cannot be repaired.

Uncontrolled cell division is stopped by...

• tumor suppressor genes
• oncogenes

Normal cell division is regulated by...

• Proto-oncogenes

• oncogenes

• tumor suppressors

p53 activates which of the following?

• Tumor suppressor genes
• cell cycle
• DNA repair proteins
• uncontrolled cell division

Proto-oncogenes can mutate into...

• oncogenes
• tumor suppressor genes
• DNA repair proteins

Tags

NGSS.HS-LS3-2

This is the cell cycle checkpoint that makes sure environmental conditions (resources) are ideal for cell growth & survival.

• G1 Checkpoint

• G2 Checkpoint

• M Checkpoint

• S Checkpoint