Origins of Life

What was early earth like?

• very hot, little to no oxygen, toxic gasses

• cold, plenty of oxygen

• very hot, plenty of oxygen, gassy

• warm, some oxygen, friendly place for humans

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What were the first cells on earth like?

• anaerobic, unicellular, prokraryotes

• aerobic, unicellular, prokaryotes

• anaerobic, multicellular, prokaryotes

• anaerobic, multicellular, eukaryotes

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What did the miller urey experiment create out of primordial soup in early earth conditions>

• amino acids

• cells

• prokaryotes

• eukaryotes

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What does chemical evolution mean?

• creating macromolecules out of elements

• creating cells out of other cells

• creating humans from apes

• a spin off series of breaking bad

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What is the biological evolution?

• when the macromolecules finally formed a living cell

• when biology text books were rewritten

• when macromolecules were formed

• when biology was discovered

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How did eukaryotes come into existence?

• prokaryotes starting absorbing each other and living together

• prokaryotes started living next to each other

• eukaryotes started working together to make prokaryotes

• eukaryotes gave rise to prokaryotes by working together

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Proof of endosymbiosis is that mitochondria and chloroplasts both have their own DNA. What is endosymbiosis?

• when eukaryotes were formed

• when prokaryotes were formed

• when prokaryotes and eukaryotes joined together

• the end of everything

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The Miller Urey experiment was set up specifically with toxic gas, electricity, and boiling water to mimic...

• the conditions of early earth

• the conditions of prokarytoes

• the types of cells that exist

• the types of soup that early cell ate

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Reddi and Pastuer were both scientists who contributed to the cell theory. Before their experiments scientists thought that cells could spontaneously generate (appear). What part of the cell theory did they prove?

• all cells come from other cells = mitosis

• a cell is the smallest living unit of life

• all living things are composed of cells

• cells did in fact magically appear

If the miller urey experiment had formed monosaccharides, what macromolecule do you think would have eventually formed?

• carbohydrates

• lipids

• proteins

• nucleic acids

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