Origins of Life

Which question were the scientists trying to answer with this experiment?

• Where do cells come from?
• How did prokaryotes form cell membranes?
• How are biomolecules formed?
• What gave rise to the Eukaryotic cell?

The apparatus in the experiment was used to mimic what?

• Proteins
• Present Earth conditions
• Early Earth conditions
• Nucleic acids (DNA/RNA)

Tags

NGSS.HS-ESS1-6

This experiment was conducted by the scientists:

• Stanley Miller and Harold Urey
• Harold Urey and Albert Einstein
• Louis Pasteur and Francesco Redi
• James Watson and Francis Crick

Miller/Urey and other scientists have shown that:

•  Life on early Earth required material from space
• Cells survived in the primitive atmosphere
• Amino acids could be produced from inorganic molecules 
• Simple cells can be produced in a laboratory

Tags

NGSS.HS-LS1-6

The idea that Earth's early oceans had organic molecules that became the first life is called the...

• Primordial soup hypothesis
• Bubble hypothesis
• Miller-Urey Experiment
• Radioactive dating theory

Tags

NGSS.HS-LS1-6

Earth formed 4.5 billion years ago, but life did not show until around...

• 3.5 billion years ago
• 1 million years ago
• 200,000 years ago
• 4.2 billion years ago

Tags

NGSS.HS-ESS1-6

NGSS.HS-ESS2-7

Which of the following was probably not present in the atmosphere of the primitive Earth? 

• methane
• oxygen
• water
• carbon dioxide

Tags

NGSS.HS-ESS1-6

The smallest unit which can be considered life is called __________. 

•  a prokaryote
• a LUCA
• a cell
• a phospholipid

Which 'building block of life' was NOT made in the Miller Urey experiment?

• amino acids
• nucleic acids
• sugars
• lipids

Tags

NGSS.HS-LS1-6

Which statement best describes conditions on early Earth?

• hot with volcanic activity and electrical storms
• dry land covered with volcanic dust
• cold oceans
• dark and dusty with abundant water

Tags

NGSS.HS-ESS1-6