Fechar
What stages can a newborn cell enter into?
Describe the G1 stage
Describe the S phase of the cell cycle.
Describe the G2 phase of the cell cycle.
How long is the mitotic phase of the cell cycle?
Give the order of the stages of cell cycle.
What are the key decision points in the regulation of the cell cycle?
What is the overall goal of mitosis?
Name the phases of mitosis
Describe what occurs during prophase.
What is the name of the transition phase from prophase to metaphase?
What occurs during prometaphase?
Describe what happens during metaphase.
State the different types of microtubles present in metaphase
What do astral microtubules connect?
What is the purpose of interpolar microtubules?
What is the role of the kinetochore microtubules?
Describe the microtubule movements occuring in prometaphase
what happens in anaphase
describe the microtubule movements in anaphase
Describe the regulation of the cutting of the cohesin ring
Briefly describe Tubulin
How are the spindle poles pulled apart during anaphase
Describe the process of telophase
Describe the process of cytokinesis in animal cells
Describe the process of cytokinesis in plants
How is cell shape and movement facilitated in a dividing cell?
In which direction does dyenin move?
In which direction does kinesin move?
state the 3 lines of research which gave clues to the regulation of progression through the cell cycle.
Describe how cell fusion experiments were used to give clues to the nature of cell cycle control.
Therefore what can be concluded from the outcome of the cell fusion experiments?
Describe how the sea urchin embryo experiments were conducted.
What were the results of the sea urchin embryo experiments?
What type of yeast was used in the yeast experiments?
Describe the process carried out in the yeast experiments.
What does cdk 1 stand for?
what is the critical factor for entry into mitosis?
what is its mode of action?
describe the levels of regulation of cdk 1
why does tyrosine 15 phosphorylation inactivate cdk1?
describe how enzymes are able to regulate cdk1 action.
in which stage does cyclinb1 destruction take plate?
in which stage is the mitotic entry stage switch turned 'on'
Draw a diagram showing the progression through the mitotic cycle for the complex and enzymes.
Describe the regulation of entry into S phase.
Draw a diagram showing which stages each cdk:cyclin complex regulates.
on top of cyclin binding and phosphorylation, what additional regulators are in position?
What are Cdk inhibitors (Cdkis) used for in the cell?
Describe the process that occurs preventing cells from entering the S phase if DNA damage has been detected.
Describe the process that occurs to halt cells which have already entered the S phase, when DNA damage has been detected.
How long is cell cycle arrest maintained for?
