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Test: Questions related to folding of DNA

Category: Biology

Description: Concepts regarding the folding of DNA will be clear after answering it.

Keywords: DNA, RNA, nucleosomes

Relevant Website: purnasrinivas.webs.com

Information passes from DNA----------RNA----------protein. Who proposed it?

Watson and Crick Francis Crick Jacob and Monod Mendel

Which of the following represents an order of increasingly higher levels of organization?

looped domain, solenoid fiber, nucleosome nucleosome, solenoid fiber, looped domain looped domain, nucleosome, solenoid fiber nucleosome, looped domain, solenoid fiber.

A neucleosome is made up of

Sugar phosphate backbone A histone octamer DNA wrapped around a histone octamer A histone tetramer

Which of the following is least related to the others?

Nucleosomes pseudogenes 30 nm chromatin fiber histones

A neucleosome is made up of

Sugar phosphate backbone A histone octamer DNA wrapped around a histone octamer A histone tetramer

The fundamental unit of chromatin is

Repeating, noncoding sequences of DNA. Histones Nitrogenous bases Nucleosomes

If a cell were unable to produce histone proteins, which of the following would be expected?

Spindle fibers would not form during prophase Pseudogenes would be transcribed to compensate for the decreased protein in the cell. The cell's DNA couldn't be packed into its nucleus. The amplification of other protein genes would compensate for the lack of histones.

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