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Biomolecules

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Biology

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Biology

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CBSE Gujarat Board Haryana Board

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Class 10 Class 12
What is amino acid ?

Amino acids are organic compounds containing an amino group and an acidic group as substituents on α-carbon. Thus, they are called α-amino acids. They are substituted methanes. The four valency positions of the carbon are occupied by four different groups which are hydrogen, carboxyl group, amino group and a variable group R group. There are 20 amino acids. 


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 ?

Glucose

Give the names of two monosaccharide sugars.

Fructose and glucose are two monosaccharides

What are major elements of a cell ?

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