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CBSE Gujarat Board Haryana Board

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Class 10 Class 12
What are acidic, basic and neutral amino acids ?

Depending upon the number of amino group and carboxylic groups, amino acids are classified as neutral, acidic and basic.

The acidic amino acids contain one amino and two carboxyl groups each, e.g. glutamic acid and aspartic acid.
The basic amino acids have two amino groups and one carboyxl group, e.g. lysine and arginine.
The neutral amino acids have one amino group and one carboxyl group e.g. alanine, glycine, valine and phenylalanine.

Give the names of two monosaccharide sugars.

Fructose and glucose are two monosaccharides

What is the percentage of nucleic acids in cells ?

5 - 7 percent

What is the general formula of carbohydrates ?

The carbohydrate has a general formula - CnH2nOn Or (CH2O)n.

Name one monosaccharide which provides energy ?


What are major elements of a cell ?

Carbon, hydrogen, oxygen and nitrogen are the major elements of a cell.