Cell Cycle Signaling

Cyclins are small proteins that bind to and activate CDK enzymes during the process of:

• endocytosis

• cell respiration

• osmosis

• mitosis

Tags

NGSS.HS-LS1-4

Select all stages of interphase?

• G₁

• S

• G₂

• Mitosis

Which statement below desribes the events during G2 of Interphase?

• The cell grows, develops, and makes new proteins

• The DNA replicates to form a new set of identical chromosomes

• The cell grows, makes new organelles, and prepares for mitosis

• the nucleolus disappears and the nuclear envelope disintegrates

Tags

NGSS.HS-LS1-4

_____ is the uncontrolled growth of cells, often resulting in a tumor or mass of abnormal cells

• Cancer

• Apoptosis

• Radiation

• Mitosis

In which stage of the cell cycle does the DNA replicate?

• G1

• S

• G2

• Mitosis

When you start with 1 cell, at the end of mitosis, how many identical cells will you have?

• 1

• 2

• 3

• 4

Tags

NGSS.HS-LS1-4

Which of the following is NOT a stage of the cell cycle?

• interphase

• cytokinesis

• mitosis

• apoptosis

Tags

NGSS.HS-LS1-4

Which of the following is the stage where the cell no longer divides?

• G₀

• G₁

• G₂

• S

Tags

NGSS.HS-LS1-4

Describe the interaction between cyclin and CdK.

• cyclin interacts with CdK to initiate the mitotic phase

• cyclin is the precursor to CdK, when synthesized allow for mitosis proceed

• cyclin acts as an inhibitor to CdK to wait for all DNA to be synthesized

• cyclin binds to CdK to initiate DNA replication

Tags

NGSS.HS-LS1-4

Which is the longest stage of the cell cycle?

• G₁

• S

• Mitosis

• Cytokinesis