Cell Cycle Flashcards
Cell cycle
Life cycle
Of cell
Cell dividing
Interphase
Preparation of cell
Cell grows and collects nutrients
G1 (interphase)
First growth stage
Produces protein and new organelle
S phase (interphase)
Synthesis
Cell copies DNA and makes key protein
G2 phase (interphase)
Second growth phase
Prepares cell for mitosis
Produces organelles needed for cell division
Beginning of splitting in the cell
Longest stage in cell cycle
Interphase
Longest stage of mitosis
Prophase
What is the stages of mitosis in order
Prophase, metaphase, anaphase, telophase,
Prophase
Chromatin becomes chromosomes with centromere
Nucleus membrane disintegrates
Metaphase
Spindle fibres move chromosomes toward the equator of cell
Sister chromatids
The identical halves of chromosomes
Anaphase
Division of cell
Spindle fibers pull chromosomes to the poles (walls) of the cell
Poles ?
Centriole at either end of the cell
Chromatin
Unorganized chromosomes
Chromatid
Organized chromatin combined with centromere at center
Chromosome
Two sister chromatid
Centromere
Centre of chromosome
Parent cells?
Cell that divides into two daughter cells
Daughter cells
are cells made from cell division (mitosis)
What is a gene
Section of DNA arranged at specific locations on chromosomes at the nucleus
How many chromosomes do humans have
46-
23 matching pairs of chromosomes
M phase
Mitosis
Telophase
Cell plate is becoming visible (cell pinching inward at the centre)
Cytokinesis
The end of mitosis
Two new cells made
