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In a cell cycle G(1) phase is marked by ...

In a cell cycle `G_(1)` phase is marked by the

A

Transcription of r-RNA

B

Transcription of r-RNA, t-RNA

C

Transcription of r-RNA, m-RNA

D

Transcription of r-RNA, m-RNA, t-RNA and synthesis of different proteins

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The correct Answer is:
D
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Assertion: Some cells enter G_(0) phase leasding to inactivation of cell cycle. Reason: G_(0) phase occurs due to non-availability of mitogen and enrgy rich compounds.

What is not true about cell cycle ? a. During G_(1) phase there is active synthesis of RNA and proteins but no change in its DNA content b. In synthesis or S phases, each chromosome carriers a duplicate set of genes c. During G_(2) phase, a cell contains double the amount (C) of DNA present in the original diploid cell (2n) d. In S-phase a cell doubles the original diploid (2n) chromosome number

Assertion: Prophase is the first stage of mitosis which follows S and G_(1) phases of interphase. Reason: Prophase is marked by the intiation of clusters of chromocomes.

The G_2 -phase of the cell cycle is characterized by the presence of

What is G_(1) phase in cell cycle ?

Identify the correct sequence of the following phase during cell cycle (I) M-phase (II) S-subphase (III) G_(2) -subphase (IV) G_(1) - Subphase

Consider the following four statements (I - IV) related to cell cycle, and select the correct option stating them as true [T] and false [F]. i. G_1 phase is a metabolically active stage of the cell cycle. ii. Interphase is the phase of actual cell division. iii. The number of chromosomes doubles in S-phase. iv. The cells that do not divide further exit the G_1 - phase to enter a quiescent stage.

A somatic cell that has just completed the S-phase of its cell cycle, as compared to gamete of the same species, has

A somatic cell that has just completed the S-phase of its cell cycle, as compared to gamete of the same species, has

M-phase is the largest phase of cell cycle because karyokinesis occur in the phase.

AAKASH SERIES-CELL CYCLE AND CELL DIVISION-Exercise-II
  1. A cell with 2n=16 undergoes meiosis. Each of the four daughter nuclei ...

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  2. Which stage is responsible for genetic variations and evolution of spe...

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  3. In a cell cycle G(1) phase is marked by the

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  4. During diakinesis chiasmata move from centromere towards the tip of th...

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  5. Synaptonemal complex is found associated with

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  6. Synaptinemal complex permits

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  7. Synaptionemal complex first appear :-

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  8. The second spindle formed in Merosis-II is formed

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  9. Number of spindle apparatus formed during meiosis is

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  10. How many meiosis are required to produce 101 seeds?

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  11. In meiosis centromeres divide and chromatids separate during

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  12. Phase of cell cycle when DNA polymerase is active

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  13. Crossing over occurs between

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  14. Mitotic cell cycle is divided into 4 phases G(1), S G(2) and M. Consid...

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  15. Post mitotic gap phase and synthetic phases of cell cycle are also res...

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  16. Which one of the following pair is correctly matched?

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  17. If the DNA content of a cell is 2C after M phase, what will be the DNA...

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  18. Match List I (Distinguishing features based on chromosomal appearance)...

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  19. Cell division is tightly regulated. Which of the following is TRUE reg...

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  20. In which phase of cell division is oocyte arrested ?

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