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प्रश्न
Histones are rich in ______.
पर्याय
alanine and glycine
lysine and arginine
histidine and serine
cysteine and tyrosine
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उत्तर
Histones are rich in lysine and arginine.
Explanation:
Histones are basic proteins that are positively charged and high in the amino acids arginine and lysine. Histones bond closely to DNA, which is an acid H4 since they are basic.
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संबंधित प्रश्न
Explain the role of histones in forming a nucleosome.
In an octamer of the nucleosome, core DNA consists of ______ base pairs.
Attempt any TWO of the following:
With the help of a suitable example illustrate ‘Palindrome’.
Write a note on the packaging of DNA in prokaryotes.
Which of the following is the CORRECT statement with respect to formation of nucleosome?
The additional set of proteins required for packaging of chromatin at higher level are called ______.
Telomere has a unique property of __________.
The length of DNA segment having 44 base pairs is ______
Read the following and answer from given below:
In prokaryotes, DNA is circular and present in the cytoplasm but in eukaryotes, DNA is linear and mainly confined to the nucleus. DNA or deoxyribonucleic acid is a long polymer of nucleotides. In 1953, the first correct double-helical structure of DNA was worked out by Watson and Crick. Based on the X-ray diffraction data produced by Maurice Wilkins and Rosalind Franklin. It is composed of three components, i.e., A phosphate group, a deoxyribose sugar, and a nitrogenous base. Different forms of DNA are B-DNA, Z-DNA, A-DNA, C-DNA, and D-DNA.
Name the linkage present between the nitrogen base and pentose sugar in DNA.
Plasmid has been used as vector because ______.
