Cell cycle regulation

What does MPF stand for?

• Maternity-Parental Factor

• Mitosis-Parent Factor

• Mitosis-Protecting Factor

• Maturation-Promoting Factor

Tags

NGSS.HS-LS1-4

MPF activity is high in early G₂ and low in mitosis.

• True

• False

Tags

NGSS.HS-LS1-4

What enzymatic activity do MPF involve?

• synthesis of amino acids

• Phosphorylation

• Promoting-related factor

• Transcription of DNA

MPF is a positive regulator because it stimulates cell cycle processes.

• True

• False

• I don't know

Tags

NGSS.HS-LS1-4

What organisms did scientists use for the research on discovering cyclins?

• Sea urchins and fish

• Fish and clam

• Sea urchins only

• sea urchins and clam

What is MPF composed of? (2 answers)

• cyclin and kinases

• kinases and cdc2 proteins

• cyclin and cdc2 proteins

• Cdk only

A protein kinase enzyme that is only active when complexed with cyclin is called ____________

• Cylin kinase enzyme

• Kinase dependent enzyme

• Cyclin dependent kinase

• Kinase Cyclin Combination

During what checkpoint does MPF activate the most?

• G1 checkpoint

• G2 checkpoint

• M-spindle checkpoint

• Not sure

Tags

NGSS.HS-LS1-4

During when do p53 genes check for damaged DNA?

• G1 checkpoint

• G2 checkpoint

• M-spindle checkpoint

• not sure

One of the examples of growth factors is ________

• PDFG

• PDPF

• MDPF

• MFGP

Tags

NGSS.HS-LS1-4