It demonstrated that RNA was the first genetic coding system in early Earth
It supported the theory of biogenesis
It was proven that spontaneous generation is possible
It is possible for organic molecules to form from inorganic molecules
It is possible for inorganic molecules to form from organic molecules
The Sixth Extinction seems to be the first recorded global extinction event that is an abiotic cause.
The Sixth Extinction seems to be the first recorded global extinction event that is a biotic cause.
The Sixth Extinction is caused by global climate change
The Sixth Extinction seems to be the first recorded global extinction caused by meteor impact.
The Sixth Extinction seems to be the first recorded global extinction event that is not causes by humans.
Enzymes are used during DNA replication.
Hydrogen cyanide can react with itself to eventually form adenine.
All DNA-based life forms contain RNA.
DNA is made up of nucleotides.
RNA is made of ribose and DNA is made of deoxyribose.
5,730 Years Old
11,460 Years Old
17,190 Years Old
716.25 Years Old
5.7 Million Years Old
Eukaryotic cells have no membrane-covered organelles.
Eukaryotic cells are comprised solely of circular DNA.
Eukaryotic cells do not have a nucleus.
Eukaryotic cells have a nucleus.
Statements a, b, and c are true about eukaryotic cells.
Pre-Cambrian, Cambrian Explosion, K-T Boundary
Eon, Era, Period
Paleozoic, Cenozoic, Mesozoic
Mesozoic, Paleozoic, Cenozoic
Paleozoic, Mesozoic, Cenozoic
Theory of spontaneous generation
Primordial soup theory
RNA World theory
Theory of biogenesis
Permian Mass Extinction
Chloroplasts and mitochondria have a double membrane
Miller and Urey demonstrated that inorganic molecules can form from organic molecules
All prokaryotes have a nucleus and linear DNA
Some protists have animal-like and plant-like characteristics
Chemosynthetic bacteria have the ability to produce food using sulfur dioxide