Cell Signaling
What are the 3 steps in the signal transduction pathway?
What are a reception, transduction, and response
What happens during Cytokinesis?
Cytoplasm is pinched into two nearly equal parts or a cell plate forms midway between the divided nuclei.
At what phase does chromatin condense?
What does amplify mean?
What is exaggerate/expand a signal or reaction?
How many chromosomes do most humans have?
46
What is a signal molecule that binds to a larger molecule.
What is a ligand
What stage of the cell cycle does our DNA replicate?
How many checkpoints are involved in the regulation of the cell cycle?
What is three
What is endocrine?
What is signal transduction across large areas?
What is apoptosis?
What is controlled cell death
What are enzymes that add phosphate groups to proteins?
Kinases
What are the 3 steps of interphase and 5 steps of mitosis?
What are G1, S, G2, Interphase, Prophase, Metaphase, Anaphase, Telophase.
What checkpoint decides whether or not the cell will undergo division or enter to G0 phase?
What is G1 Checkpoint
What is a synapse?
What is the space between two neurotransmitters?
What kind of cells does Mitosis produce?
What are identical body cells
What are enzymes that remove phosphate groups from proteins?
Phosphotases
At what point in the cell cycle do the sister chromatids line up in the middle of the cell?
What is Metaphase?
At what checkpoint does the cell check to see if the spindle fibers are attached correctly?
What is the M or Spindle checkpoint
Give an example of a positive feedback system
What is childbirth or apples ripening or.... ?
One half of a duplicated chromosome is a __________.
What is a chromatid?
What is a series of chemical reactions during cell signaling mediated by enzymes, in which each kinase in turn phosphorylates and activates another?
What is Phosphorylation Cascade
At what point in the cell cycle do the sister chromatids separate?
What is Anaphase
What causes cancer?
What is the accumulation of mutations in genetic material
What does exocytosis mean?
What is expelling chemical signals out of the cell through vacuoles?
Cells that don't divide go to this step.
What is G0 phase?