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
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Hydrophilichead
Hydrophobictail
WATER
WATER
Membrane Formation
Representation of a Protobionts
Stanley Miller
LE 26-2
Water vaporCH4
NH3 H 2
Electrode
Condenser
Coldwater
Cooled watercontainingorganicmolecules
Sample forchemical analysis
H2O
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.