P2

A programmed cell death is called ____________.

• apoptosis

• cytokinesis

• interphase

• cancer

Which phrase best describes cancer?

• absence of cyclins

• multiple gene mutations

• uncontrolled cell division

• precesnce of genetic defects

Which of these is a job of an internal regulator cyclin?

• Ensure that all chromosomes have lined up in the center of the cell before cell division

• Ensure that spindle fibers have attached to all centromeres before cell division

• Ensure that DNA has been replicated before cell division

• All of these

Tags

NGSS.HS-LS1-4

Which of the following is a type of protein that regulates the cell cycle? 

• actin 
• myosin 
• cyclin 
• pepsin 

____________ is a critical point where stop and go signals can regulate the cycle.

• Metastasis

• Checkpoint

• Malignant

• Benign

Tags

NGSS.HS-LS1-4

What correctly describes the DNA content in the gap 2 phase?

• it is the normal amount

• it is double amount

• it is increasing

• it is decreasing

Tags

NGSS.HS-LS1-4

Which description is true about cell cycle regulation?

• Changing concentrations of cdk result in binding to cyclin
• Changing concentrations of cyclin result in binding to cdk
• MPF complex formation decreases with increased cdk levels
• MPF complex formation decreases with increased cyclin levels

In which stage are cells more susceptible to mutations?

• gap 1

• synthesis

• gap 2

• gap 0

What stage is the cell if it's carrying out its typical functions, but not engaged in preparing for cell division.

• synthesis

• gap 0

• cytokinesis

• anaphase

The cell cycle is made up of two main stages: interphase and mitosis. What are the phases of Interphase in correct order?

• prophase, metaphase, anaphase, telophase

• synthesis, gap 1, gap 2, gap 0

• gap 1, synthesis, gap 2

• gap 1, gap 2, gap 0, synthesis

Tags

NGSS.HS-LS1-4