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Home⇒ Medical Science⇒ Biotechnology⇒ Cell cycle
1-Dont try to cram or spend more time here just read it fast and cover syllabus then practice MCQ's cheptor of same topic to check your progress. . |
2-Wrong options are also given but dont concentrate there, Right answer is in bold format. |
Q1 ⇒ In the cell cycle replication of the genome occurs in the S phase [other wrong options] [Discuss in forum] G1 phase G2 phase M phase |
Q2 ⇒ Which of the following statements about mitosis is incorrect? Chromosomes separate during anaphase due to the interaction of polar microtubules from opposite poles pushing against each other [other wrong options] [Discuss in forum] The daughter nuclei are genetically identical to the parent nucleus Chromosomes separate during anaphase when the kinetochore microtubules shorten as they depolymerize Chromosomes move to the metaphase plate using motor proteins, a kind of kinesin, attached to spindle fibers |
Q3 ⇒ A nuclear envelope forms around each set of sister chromatids in telophase [other wrong options] [Discuss in forum] anaphase metaphase prophase |
Q4 ⇒ At the center of the cell cycle control system is Cdk, a protein that binds to different cyclins [other wrong options] [Discuss in forum] is phosphorylated to become active is only active during mitosis manufactures growth factors |
Q5 ⇒ Which of the following from a blood clot stimulates the growth of cells in the healing process? PDGF [other wrong options] [Discuss in forum] EGF MPF NGF |
Q6 ⇒ Sequences that correctly describes the cell cycle is -> S -> G2 -> mitosis -> cytokinesis -> G1 -> [other wrong options] [Discuss in forum] -> G1-> G2 -> S -> mitosis -> cytokinesis -> -> G1 ->S -> G2 -> cytokinesis -> mitosis -> ->cytokinesis-> mitosis -> G1 -> S -> G2 -> |
Q7 ⇒ In which phase, each chromosome replicates to produce two sister chromatids? Interphase [other wrong options] [Discuss in forum] Anaphase Metaphase Prophase |
Q8 ⇒ How many chromatids does a diploid body cell contain just prior to cell division? 92 [other wrong options] [Discuss in forum] 23 46 69 |
Q9 ⇒ The centromeres move toward the poles in __________ . anaphase [other wrong options] [Discuss in forum] interphase metaphase prophase |
Q10 ⇒ Which of the following is not a part of a human chromosome in any phase? Centriole [other wrong options] [Discuss in forum] Histone Nucleosome Centromere |
Q11 ⇒ Cells which no longer divide (such as certain specialized cells found in the human brain) remain in which phase of the cell cycle? G0 Phase [other wrong options] [Discuss in forum] Prophase S phase Gl Phase |
Q12 ⇒ Which of the following is the primary growth phase of a cell? G1 [other wrong options] [Discuss in forum] G2 M G0 |
Q13 ⇒ In prokaryotes, just before the cell divides, the two daughter genomes are attached side by side to the cell membrane [other wrong options] [Discuss in forum] replication origin centromeres equatorial plate |
Q14 ⇒ A centromere is all of the above [other wrong options] [Discuss in forum] another name for kinetochore the structure to which microtubules attach a constriction on a chromosome bound to a disk |
Q15 ⇒ At the __________ checkpoint, cell growth is controlled. G1 [other wrong options] [Discuss in forum] C G2 S |
Q16 ⇒ The term homologous chromosomes means a pair of chromosomes of the same kind, such as sex chromosomes [other wrong options] [Discuss in forum] refers to replications of the same chromosome is another name for sister chromatids must be haploid |
Q17 ⇒ Which phase of mitosis is associated with chromosomes aligned at the center of the cell and centromeres divide? metaphase [other wrong options] [Discuss in forum] anaphase interphase prophase |
Q18 ⇒ The term, not related to mitosis is gametes [other wrong options] [Discuss in forum] chromosomes DNA replication somatic cells |
Q19 ⇒ Which of the following is the normal cell cycle, primarily regulated at checkpoints? G1-S boundary [other wrong options] [Discuss in forum] Metaphase in mitosis Anaphase, G1 boundary S-G2 boundary |
Q20 ⇒ Which of the following begins when pairs of sister chromatids align in the center of the cell? Metaphase [other wrong options] [Discuss in forum] Anaphase Interphase Prophase |
Or |