Interphase
How much time does a cell spend in Interphase
(Give a percentage)
90%
Draw Chromatin
Should be spaghetti-like in structure
Whats the name of the structure that forms when ANIMAL cells go through telophase
cleavage furrow
What phase do the chromosomes line up in middle of the cell?
How many phases of MITOSIS are there?
4
What happens in G1?
Growth
Draw a chromosome
should be x shaped
Name of the structure that forms when PLANT cells go through telophase
Cell plate
The nuclear envelope starts to dissolve in this phase
Prophase
How many chromosomes do humans have?
46
What happens in S Phase?
DNA gets copied
Draw a chromosome and label the centromere
should be the circle holding the two halves of the chromosome together
What is reforming during telophase
nuclear envelope
What phase do chromatids get pulled to opposite ends of the cell
Anaphase
Purpose of mitosis in multicellular organisms?
growth & repair of damaged tissue
What happens in G2?
Last minute preparations for mitosis
Draw a chromatid
should be a line/ one half of a chromosome
What divides during cytokinesis
Cytoplasm
During what phase can you see two nuclei?
Telophase
Only ______ cells reproduce via Mitosis
somatic
Which enzyme unzips the DNA during S phase?
Helicase
Draw a centriole and what it produces / controls. Label both.
centriole should have spindle fibers coming out
What type of cells are formed after cytokinesis?
2 daughter cells that are genetically Identical
During what phase do the spindle fibers attach to the Centromere?
Metaphase
Purpose of mitosis in unicellular organisms?
Reproduction