Which of the following statement is true regarding second level of organization 

a. The second level of organization is the coiling of the 10-nm fiber of nucleosomes into a helical array.

b. The coiled helical array to constitute the fiber of diameter 30 nm that is found in interphase chromatin and in mitotic chromosomes.

c. This compacts the DNA - 40-fold. The structure of this fiber requires the histone tails and is stabilized by linker histones.

d. Histone H1, histone tails, and increased ionic strength all promote the formation of the 30-nm fiber.

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#Question id: 19528

#Unit 12. Applied Biology

There are different cry proteins which show insecticidal activity. Cry III and cry IV are active against 

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#Question id: 21252

#Unit 12. Applied Biology

Biodegradable plastics made up of Polyhydroxyalkanoates (PHB/PHA), For the overproduction of PHB by using enzyme such as,

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#Question id: 10723

#Unit 10. Ecological Principles

What does the graph tell you about the effect of a keystone species?

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#Question id: 28633

#Unit 2. Cellular Organization

Block the function of Rb by Phosphorylation on multiple sites, these phosphorylation is done by___ 

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#Question id: 4858

#Unit 8. Inheritance Biology

Which of the following statements is true?