1
Q
FACS
A
flourescent activated cell sorting
- allows sorting of cells based on how much DNA is present
2
Q
4 phases
A
G1, S, G2, M
3
Q
kinetochore microtubules
A
attach chromosomes to spindles
4
Q
astral microtubules
A
interact with cell cortex, grow and shrink at plus ends, attached to centrosome
5
Q
Prophase
A
- condensation of chromatins to chromosomes
- sister chromatids bound together by cohesions
- nucleoli disappears - outside nucleolus, mitotic spindles begin to form
5
Q
interpolar microtubules
A
- hold two halves of spindle together
- kinesin proteins help flux towards spindle poles
6
Q
cohesion
A
protein complexes that hold sister chromatids together
7
Q
Prometaphase
A
- fragmentation of nuclear envelope (presented by microtubules)
- chromosomes became more condensed
- microtubules connect to kinetochores
8
Q
metaphase
A
- chromosomes align at metaphase plate
- kinetochore of sister chromatids attach to microtubules from opposite sides
9
Q
anaphase (shortest)
A
- cohesion proteins are cleaved –> allows separation of sister chromatids with separate
- daughter chromosomes move towards opposite poles
- cell elongates as non-kinetochore microtubules length
10
Q
telophase
A
- two sets of daughter chromosomes arrive at poles of the spindle
- chromosomes start to decondense
- nuclear envelope reassembles
- nucleoli reappear
- formation of contractile ring
11
Q
cytokinesis in animals
A
cleavage furrow
- contractile ring of actin filaments associated with myosin proteins
12
Q
cytokinesis in plant cells
A
no cleavage furrow
- during telophase, vesicles derived from Golgi move along microtubules to form a cell wall
- cell plate forms new cell wall
Biology 1
flashcards
Decks in class (14)
# Cards
