Chromosomes are composed of DNA, RNA, histones, non-histones. A chromosome is a packaged and organized chromatin, a complex of macromolecules found in cells, consisting of DNA and protein. The functional segments of DNA are known as genes. The DNA-bound macromolecules are proteins, which serve to package the DNA and control its functions.
So, the correct answer is option A.
Was this answer helpful?
0
Similar Questions
Q1
RNA coiled around histone protein is called a nucleosome.
View Solution
Q2
Type of histones associated with chromosomes are
View Solution
Q3
Assertion :Histones are basic proteins of major importance in packaging of eukaryotic DNA. DNA and histones comprise chromatin forming the bulk of eukaryotic chromosome. Reason: Histones are of five major types: H1,H2A,H2B,H3 and H4.
View Solution
Q4
The chromatin material is formed of: (a) DNA only
(b) DNA and Histones
(c) Histones only
(d) Nucleotides
View Solution
Q5
Select the correct statements. A) H1 histone molecules lie inside the core of the molecule and seals the two turns of DNA. B) The acrocentric chromosome has two long arms. C) The association between negatively charged DNA and positively charged histones allows for meaningful DNA packaging inside the nucleus. D) A few chromosomes have non-staining secondary constrictions at a constant location which gives the appearance of a small fragment called the satellite.