The most abundant organic molecule on the planet earth is:
Correct answer: D. Cellulose
- A. Starch
- B. Glycogen
- C. Glucose
- D. Cellulose
Explanation
The most abundant organic molecule on the planet Earth is cellulose. Cellulose is a polysaccharide, or carbohydrate, that is made up of glucose monomers. It is found in the cell walls of plants and is the main structural component of plant fibers. Cellulose is also a major component of wood and cotton.
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About Growth and Development
Embryonic development covers fertilization, cleavage, formation of the blastula and gastrula, germ layers, organ formation and differentiation. Regeneration describes the replacement of lost tissues or body parts, whereas ageing involves gradual cellular and physiological changes linked to reduced repair, altered metabolism and declining organ function.
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