Reading Quiz 1.What does abiotic mean? 2.What are the two types of nucleic acids? 3.Amino acids are the “building blocks” of which polymer? 4.Ribozymes.

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Reading Quiz 1.What does abiotic mean? 2.What are the two types of nucleic acids? 3.Amino acids are the “building blocks” of which polymer? 4.Ribozymes are pieces of RNA that can act as ______________.

AP Biology Life’s Beginnings on Earth according to science

Nucleic Acid Formation

Amino Acid Formation

Protein’s Natural Form

Monosaccharides Combining

Phospholipid Formation

Construction of mRNA from DNA

Constructing Chromosomes

DNA Replicating

- Hydrophilic head Hydrophobic tail WATER Membrane Formation

Representation of a Protobionts

Stanley Miller

LE 26-2 Water vapor CH 4 NH 3 H2H2 Electrode Condenser Cold water Cooled water containing organic molecules Sample for chemical analysis H2OH2O

Early Earth

Energy Source

In no more than 3 sentences, explain why the abiotic synthesis of the nucleic acids RNA and DNA was overall so essential to helping generate life on Earth.