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Biotechnology - 22

1-	Which of the following from a blood clot stimulates the growth of cells in the healing process?
	A -	EGF
	B -	PDGF
	C -	MPF
	D -	NGF
2-	The spindle forms in the
	A -	G₁ phase
	B -	G₂ phase
	C -	M phase
	D -	S phase
3-	Which phase of mitosis is associated with chromosomes aligned at the center of the cell and centromeres divide?
	A -	anaphase
	B -	interphase
	C -	metaphase
	D -	prophase
4-	The event(s) which does not occur during interphase, is/are
	A -	Chromatin condenses
	B -	Protein Synthesis
	C -	Organelles replication
	D -	DNA replication
5-	In prokaryotes, just before the cell divides, the two daughter genomes are attached side by side to the
	A -	cell membrane
	B -	replication origin
	C -	centromeres
	D -	equatorial plate
6-	In the cell cycle replication of the genome occurs in the
	A -	G₁ phase
	B -	G₂ phase
	C -	M phase
	D -	S phase
7-	At which of the following check point, mitosis is controlled?
	A -	G₁
	B -	G₂
	C -	M
	D -	S
8-	The centromeres move toward the poles in __________
	A -	anaphase
	B -	interphase
	C -	metaphase
	D -	prophase
9-	Which phase of mitosis is associated with separation of chromatids?
	A -	Prophase
	B -	Metaphase
	C -	Anaphase
	D -	Telophase
10-	Sequences that correctly describes the cell cycle is
	A -	-> G1-> G2 -> S -> mitosis -> cytokinesis ->
	B -	-> S -> G2 -> mitosis -> cytokinesis -> G1 ->
	C -	-> G1 ->S -> G2 -> cytokinesis -> mitosis ->
	D -	->cytokinesis-> mitosis -> G1 -> S -> G2 ->

[Người đăng: Thành Lãm - ST]

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