Question

The letter A indicates: _____. 1. Globules containing eight subunits each. 2. A filamentary structure forms two turns around each globule. 3. Letter A marks the filamentary structure between the globules. 4. Letter B marks one of the globules. 5. Letter C marks one subunit of the globule.

Answer 1

a DNA double helix

Explanation:

• Deoxyribonucleic acid is made up of two chains. A double helical structure is formed when two chains coil around each other.This double helical structure carry genetic information for the growth, reproduction, development and functioning of an organism.

• The nucleic acid such as DNA and RNA are one of the major types of macromolecules which are necessary for all life forms.

• The nucleotide is made up of one of four nitrogen containing nucleobases such as Adenine, Guanine, Cytosine and Thymine, Deoxyribose sugar and a Phosphate group.