Related Questions

Consider the following statements regarding genetic code and choose the correct answer:
1. The genetic code is degenerate
2. In all amino acids the first two bases are the same in all the codons that represent a particular amino acid
3. The number of codons an amino acid can claim is proportional to the frequency of the amino acid in proteins
4. Amino acids with codons ending in U or A also have codons ending in C or G respectively
All histones undergo post-translational modification of specific amino acids. These modifications
P. Alter the charge of the histone molecule
Q. Are permanent
R. Occur on the N-terminal tail of the histones, which are thought to extend out from the core
S. Occur at specific times during the cell cycle
Histones have very high percentage of basic amino acids (15 - 30%). For this class of proteins which of the following reagents would be a suitable choice for generating peptides in determination of amino acid sequence of the protein
In a substrate X catabolic gene promoter you replace the normal histones by your experimental histones – ones with arginine side chains in place of histidine. What will be the effect on the concentration of substrate X against the control?
Which of the following amino acids have side chains that are negatively charged under physiological conditions (i.e., near pH 7)?
The common amino acids are also called as alpha-amino acids because they contain their amino group attached to the alpha carbon.
Non-essential amino acids are those amino acids that our body doesn’t contain and acquires it through food.
Proteins are made by incorporating standard amino acids. How many standard amino acids are there in nature?
Proteins are made up of amino acids. These amino acids are linked together by which of the following bonds?
_________ amino acids are commonly found in milk proteins, including the essential amino acids.