@⇒ Cell cycle ⇒ Biotechnology ⇒ Medical Science Engineering Multiple Choice Questions / Objective type questions, MCQ's, with question and answers, download free PDF, short cut notes, rapid fire notes, best theory

Home⇒ Medical Science⇒ Biotechnology⇒ Cell cycle

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Q1.	In the cell cycle replication of the genome occurs in the
A.	G₁ phase [Wrong Answer]
B.	G₂ phase [Wrong Answer]
C.	M phase [Wrong Answer]
D.	S phase [Correct Answer]
View Answer 4 -2 Explanation:- Answer : D Discuss it below : Click here for more comments


Q2.	Which of the following statements about mitosis is incorrect?
A.	The daughter nuclei are genetically identical to the parent nucleus [Wrong Answer]
B.	Chromosomes separate during anaphase due to the interaction of polar microtubules from opposite poles pushing against each other [Correct Answer]
C.	Chromosomes separate during anaphase when the kinetochore microtubules shorten as they depolymerize [Wrong Answer]
D.	Chromosomes move to the metaphase plate using motor proteins, a kind of kinesin, attached to spindle fibers [Wrong Answer]
View Answer 3 -2 Explanation:- Answer : B Discuss it below : Click here for more comments


Q3.	A nuclear envelope forms around each set of sister chromatids in
A.	anaphase [Wrong Answer]
B.	metaphase [Wrong Answer]
C.	prophase [Wrong Answer]
D.	telophase [Correct Answer]
View Answer 5 -3 Explanation:- Answer : D Discuss it below : Click here for more comments


Q4.	At the center of the cell cycle control system is Cdk, a protein that
A.	is phosphorylated to become active [Wrong Answer]
B.	binds to different cyclins [Correct Answer]
C.	is only active during mitosis [Wrong Answer]
D.	manufactures growth factors [Wrong Answer]
View Answer 3 -1 Explanation:- Answer : B Discuss it below : Click here for more comments


Q5.	Which of the following from a blood clot stimulates the growth of cells in the healing process?
A.	EGF [Wrong Answer]
B.	PDGF [Correct Answer]
C.	MPF [Wrong Answer]
D.	NGF [Wrong Answer]
View Answer 3 -2 Explanation:- Answer : B Discuss it below : Click here for more comments

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