The positive charge of histones is primarily due to the abundance of which amino acids?
Aspartic acid and Glutamic acid
Lysine and Arginine
Serine and Threonine
Valine and Leucine
Related Questions
DNA acts as a template for synthesis of
RNA
DNA
Both (a) and (b)
Protein
5-Methyl Uracil, another chemical name for?
Uracil
Thymine
Adenine
Guanine
Number of ester bonds in a helics of B-DNA?
0
1 per base pair
2 per base pair
Equal to the number of base pairs
The number of in each turn of B-DNA helix is?
1
10
20
5
DNA consists of two complementary nucleotide chains. If the sequence of nucleotides in one of the chains is AGCTTCGA then the complementary sequence of the other chain will be
TCGAAGCT
TCGTATCG
AATTCCGG
TCGAACTG
Read the following statements and state them as true (T) and False(F) A) DNA and RNA function as genetic material B) Nucleic acids are monomers of nucleotides. C) Adenine, Guanine, Cytosine, Uracil and Thymine are nitrogenous bases. Choose the correct option
A-T, B-F, C-T
A-F, B-T, C-T
A-T, B-T, C-F
A-F, B-F, C-T
Some region of chromatin are loosely packed and are referred to as?
Euchromatin
Heterochromatin
Both 1 and 2
None of these
Statement 1: Adenine cannot pair with cytosine
Statement 2: Adenine and cytosine do not have a perfect match between hydrogen donor and hydrogen acceptor sites. Hence, they cannot pair
Statement 1 is True; Statement 2 is True; Statement 2 is correct explanation for Statement 1
Statement 1 is True; Statement 2 is True; Statement 2 is not correct explanation for Statement 1
Statement 1 is True, Statement 2 is False
Statement 1 is False, Statement 2 is True
Number of ester bonds in a helics of B-DNA?
16
20
18
9
Statements
I. The four nucleotide bases are not necessarily present in DNA in exact equal
proportions.
II. The total amount of purines are equal to the total amount of pyrimidines.
III. DNA ligase enzyme act to hydrolyse or breakdown a polynucleotide chain into
its component nucleotides.
IV. Nuclease enzymes are capable of restoring an intact DNA duplex.
Of the above statements
II is correct, but I, III and IV are wrong
I and II are wrong but III and IV are correct
I, II and III are correct but IV is wrong
I and II are correct but III and IV are wrong