Mole | MCQs

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Hormones are extrinsic information molecules.

As they are signaling molecules that regulate various physiological processes in the body.

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Key points about codons:

Triplet code: A codon consists of three bases.

Function: Each codon codes for a specific amino acid.

Location: Codons are found on messenger RNA (mRNA).

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Gel electrophoresis is a technique used to separate DNA fragments based on their size by applying an electric field to a gel matrix.

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• The Mole (mol) is the SI unit of amount of substance, representing 6.022 x 10^23 particles.
• It is used to measure the amount of a substance in a sample.

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• The molecular model of DNA that suggests the basic mechanism of replication was proposed by James Watson and Francis Crick.
• They proposed the double helix model of DNA in 1953, which revolutionized our understanding of genetic information storage and replication.

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• A chemical formula tells us the number of atoms of each element in a compound.
• It contains the symbols of atoms of the elements present in the compound.
• As well as how many there are for each element, in the form of subscripts.