The isoelectric pH has been defined as the electrically neutral molecule. "At the isoelectric pH of an amino acid that has two pKa values the net charge is <u>0</u>." Thus, option C is correct.
<h3>What is isoelectric pH?</h3>
The isoelectric pH has been defined as the potential of the hydrogen at which the molecule does not carry a net charge and is said to be electrically neutral. The amino acids at isoelectric pH do not carry a charge.
If there are two pKa values of the amino acid then the amino acid has zero charges as the amino acids are always neutral at the isoelectric point.
Therefore, in option C. the net charge is <u>zero</u>.
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Your question is incomplete, but most probably your full question was, At the isoelectric pH of an amino acid that has two pKa values the net charge is _______.
A) 0.5
B) 1
C) 0
D) -1
A dominant trait will mask a recessive trait.
The correct answer is: To propose the theory of evolution by natural selection
Hairpin like structures are formed in both DNA and RNA but are common in RNA than in DNA. This is because DNA can be double stranded or single stranded while RNA is generally single stranded structure that can be double stranded only when it forms a hair pin like structure.
The features of hairpin structure in RNA are as follows:
1. This structure is a building block of many secondary structures of RNA.
2. The termination sequence during transcription also forms a hairpin loop like structure.
3. tRNA also forms a hairpin loop like structure and helps in the process of translation.
