Mitosis
Definition of Mitosis: <span>The process where a </span>single cell<span> divides resulting in generally two identical </span>cells<span>, each containing the same number of </span>chromosomes<span> and genetic content as that of the original </span>cell<span>.</span>
I think the answer is A
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Ans.
DNA acts as genetic material in all living organisms that store and transmit genetic information from one to next generation. DNA sequence carries instructions for the expression of genes to make proteins, responsible for different phenotypic characters of individuals.
The DNA, first synthesizes mRNA molecule that carry information for the protein synthesis, in the form of codons and code for a specific polypeptide chain or protein.
The sequence present in DNA determines the amino acid sequence in protein encoded by the DNA. Change in DNA sequence affects gene expression as it leads to change in mRNA sequence, and thus, change in sequence of amino acid of the resulting protein.
Calcium and iron are not vitamins false
Answer: Wear eye protection, rubber gloves
Handle acid with care and follow CLEAPSS or SSERC guidelines on its use.