ï»¿ Differentiate between A, B, C, D and Z-DNAs in tabulated form. from Biology Biomolecules Class 11 Assam Board

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Differentiate between A, B, C, D and Z-DNAs in tabulated form.

Differences between A, B and Z-DNAs :
 Characters A-DNA B-DNA Z-DNA 1. Base pair per turn of the helix. 2. Tilt of base pairs 3. Axial rise (h) 4. Helical diameter (A) 5. Rotation of the double helix DNA. 11 20.2 Å 2.56 Å 23 Å right handed 10 6.3 Å 3.37 Å 20 Å right handed 12 7 Å 3.7Å 18Å left handed
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What is the general formula of carbohydrates ?

The carbohydrate has a general formula - CnH2nOn Or (CH2O)n.
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What are major elements of a cell ?

Carbon, hydrogen, oxygen and nitrogen are the major elements of a cell.
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Name one monosaccharide which provides energy ?

Glucose
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Give the names of two monosaccharide sugars.

Fructose and glucose are two monosaccharides
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What is the percentage of nucleic acids in cells ?

5 - 7 percent
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