What Is an Alternative to RNA as the First Polymer

question 16

Multiple Choice

What is an alternative to RNA as the first polymer of life?

• A) single nucleotides
• B) non-genetic polymers
• C) polymers that do not form a double helix m a double helix
• D) other genetic polymers containing different sugars
• E) other genetic polymers containing different amino acids

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Definitions:

Chloroplast

An organelle found in plant and algal cells that conducts photosynthesis, converting light energy into chemical energy stored in glucose.

Photosynthesis

The process by which green plants and some other organisms use sunlight to synthesize foods from carbon dioxide and water.

Chloroplasts

Organelles found in plant cells and eukaryotic algae that conduct photosynthesis, converting light energy into chemical energy.

Thylakoids

Membrane-bound compartments inside chloroplasts and cyanobacteria, where the light-dependent reactions of photosynthesis occur.