During the rate of succession several factors would be observe at the pioneer as well as climax community;

STAGES	CHARACTER
A) Pioneer community	i) Biotic Potential low
B) Climax community	ii) Root to Shoot ratio is high
	iii) Productivity per biomass is low
	iv) Net primary productivity is high
	v) P/R ratio is greater than 1
	vi) Nutrient cycling is closed
	vii) Regeneration ability is more
	viii) Resistance ability is more

Match the community stages with its given characters;

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#Question id: 2967

#Unit 2. Cellular Organization

G1 is associated with which of the following cellular events?

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#Question id: 2969

#Unit 2. Cellular Organization

In the cells of many eukaryotic species, the nuclear envelope has to disappear to permit which of the following events in the cell cycle?

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#Question id: 12837

#Unit 2. Cellular Organization

Haploid yeast cells were grown in culture and stained with propidium iodide, a fluorescent dye that is incorporated into DNA. The x axis shows DNA content, the y axis the number of cells. The DNA content analysis shows different populations of cells.

Which of the following statement is correct regarding to above graph?

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#Question id: 12836

#Unit 2. Cellular Organization

The final layer of control that is critical in the regulation of CDKs is a family of proteins known as CDK inhibitors, or CKIs, which bind directly to the cyclin-CDK complex and inhibit its activity. Which of the following function not done by CKIs?

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#Question id: 12835

#Unit 2. Cellular Organization

Following statements are regarding to the surveillance mechanism. Which of the following statement is incorrect?

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#Question id: 12834

#Unit 2. Cellular Organization

How Aurora B and the spindle assembly checkpoint pathway collaborate during every cell cycle to accurately attach every single pair of sister chromatids to the mitotic spindle in the correct, bioriented manner?