lilcet anu study guide. Throw away the test. 1. Life forms on early Earth as com

Question

lilcet anu study guide. Throw away the test. 1. Life forms on early Earth as compared to these days: a. Couldn't use oxygen b. Used oxygen about the same as today c. Used more oxygen as compared to today d. None of the above 2. Which is NOT one of the four hypothetical stages for cell creation? a. Formation of organic molecules b. Invention of DNA c. Organic molecules forming polymers d. Genetic material was surrounded inside a membrane . Stanley Miller performed an experiment trying to find out if a. RNA came before DNA b. Prokaryotes are older than Eukaryotes c. Viruses are alive or not d. Whether the atmosphere of the early Earth could've generated organic m

Explanation / Answer

1. Ans (a) Couldn't use Oxygen

Explanation: In the Early earth, there is no life to consume oxygen

2. Ans (d) Genetic Material was surrounded inside a membrane  

Explanation: In the Early earth, there is no life, i.e. no cell and no cell membrane

3. Ans (d) Whether the atmosphere of the early earth could've generated organic molecules

Explanation: actually Stanly Miller sent an electrical charge through a flask of a chemical solution of methane, ammonia, hydrogen and water. This created organic compounds including amino acids this proves that may be in early earth could have generated organic molecules (amino acid) then this amino acid may creat cell.

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