Cell Cycle Regulation

The checkpoints are found at:

• S - Synthesis phase

  G2 - Gap 2 phase

• G1 - Gap 1 phase

  G2 - Gap 2 phase

  M - Mitosis stage

• M - Mitosis stage

  G1 - Gap 1 phase

• There is no answer

Tags

NGSS.HS-LS1-4

Which cell cycle checkpoint verifies cell size and checks the DNA for damage?

• G1 checkpoint

• S checkpoint

• G2 checkpoint

• M checkpoint

Which of the following is NOT an external factor that will promote cell growth

• An increase in growth hormone

• A decrease in growth hormone

• Death of nearby cells

• Decrease in surface area to volume ratio

Which cell cycle checkpoint makes sure that chromosomes are duplicated and checks for damage of the replicated DNA?

• G1 checkpoint

• S checkpoint

• G2 checkpoint

• M checkpoint

Which cell cycle checkpoint makes sure that the chromatids are correctly attached to the spindle fibers?

• G1 checkpoint

• S checkpoint

• G2 checkpoint

• M checkpoint

A disorder in which some of the body's cells lose the ability to control growth.

• growth factor

• human growth hormone

• cancer

• tumor

Tags

NGSS.HS-LS3-2

Mass of rapidly dividing cells that can damage surrounding tissue.

• growth factor

• human growth hormone

• cancer

• tumor

Apoptosis is

• the process of programmed cell death

• the process of programmed cell growth

• the process of programmed cell birth

• the process of programmed cell regulation

A substance that is known to cause cancer is called a

• carcinogen

• retrovirus

• pathogen

• paramecium

If the S-phase was eliminated from the cell cycle, the daughter cell would

• have half the genetic material found in the parental cell

• be genetically identical

• be genetically identical to the parent cell

• synthesize the missing genetic material on their own

Tags

NGSS.HS-LS1-4