Chapter 1 - Origin of Life - PDF Document uploaded

What was the critical characteristic of the macromolecule from which life evolved?

Ability to form complex structures
Ability to replicate itself (correct)
Ability to catalyze diverse chemical reactions
Ability to store large amounts of genetic information

What is the initial genetic system believed to have been?

Lipids
Proteins
RNA (correct)
DNA

What replaced RNA as the main genetic material later on?

Carbohydrates
Lipids
DNA (correct)
Proteins

What is the role of genes in the body?

They are instruction manuals written in DNA (A) Signup and view all the answers

What is the role of RNA in making proteins?

It helps in making proteins (B) Signup and view all the answers

What is the critical function of the phospholipid membrane in the formation of the first cell?

It kept everything inside the cell safe, allowing self-reproduction and further evolution (B) Signup and view all the answers

What components make up the phospholipid membrane?

Hydrophilic and hydrophobic components (B) Signup and view all the answers

What is the capability of RNA in terms of chemical reactions?

Capable of catalyzing a number of chemical reactions (D) Signup and view all the answers

What is the function of genes in relation to proteins?

They make proteins through transcription and translation (A) Signup and view all the answers

What was the likely scenario for the formation of the very first cell?

Self-replicating RNA was enclosed in a protective phospholipid membrane (B) Signup and view all the answers

What is the critical characteristic of the macromolecule from which life evolved?

Ability to replicate itself (D) Signup and view all the answers

What is the initial genetic system believed to have been?

RNA (B) Signup and view all the answers

What was the likely scenario for the formation of the very first cell?

Enclosure of self-replicating RNA in a protective membrane (B) Signup and view all the answers

What is the role of genes in the body?

They are the body's instruction manuals, written in DNA (C) Signup and view all the answers

What replaced RNA as the main genetic material later on?

DNA (A) Signup and view all the answers

What is the function of genes in relation to proteins?

They serve as templates for the synthesis of proteins (B) Signup and view all the answers

What components make up the phospholipid membrane?

Hydrophilic and hydrophobic components (B) Signup and view all the answers

What is the capability of RNA in terms of chemical reactions?

Catalyzing a number of chemical reactions (D) Signup and view all the answers

What is the critical function of the phospholipid membrane in the formation of the first cell?

Keeping everything inside the cell safe and allowing self-reproduction (A) Signup and view all the answers

What is the role of RNA in making proteins?

RNA helps in making proteins (C) Signup and view all the answers

What is the critical characteristic of the macromolecule from which life evolved?

Ability to replicate itself (B) Signup and view all the answers

What is the initial genetic system believed to have been?

RNA (A) Signup and view all the answers

What replaced RNA as the main genetic material later on?

DNA (D) Signup and view all the answers

What is the capability of RNA in terms of chemical reactions?

Catalyzing a number of chemical reactions (A) Signup and view all the answers

What was the likely scenario for the formation of the very first cell?

Self-replicating RNA enclosed in a protective membrane (B) Signup and view all the answers

What is the function of genes in relation to proteins?

Genes serve as the instruction manuals for making proteins (A) Signup and view all the answers

What components make up the phospholipid membrane?

Hydrophilic and hydrophobic components (C) Signup and view all the answers

What is the role of RNA in making proteins?

RNA helps in making proteins (B) Signup and view all the answers

What is the capability of RNA in terms of self-replication?

RNA can serve as a template and catalyze its own replication (B) Signup and view all the answers

What is the role of the phospholipid membrane in the formation of the first cell?

It kept everything inside the cell safe, allowing self-reproduction and further evolution (A) Signup and view all the answers

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Questions and Answers

What was the critical characteristic of the macromolecule from which life evolved?

What is the initial genetic system believed to have been?

What replaced RNA as the main genetic material later on?

What is the role of genes in the body?

What is the role of RNA in making proteins?

What is the critical function of the phospholipid membrane in the formation of the first cell?

What components make up the phospholipid membrane?

What is the capability of RNA in terms of chemical reactions?

What is the function of genes in relation to proteins?

What was the likely scenario for the formation of the very first cell?

What is the critical characteristic of the macromolecule from which life evolved?

What is the initial genetic system believed to have been?

What was the likely scenario for the formation of the very first cell?

What is the role of genes in the body?

What replaced RNA as the main genetic material later on?

What is the function of genes in relation to proteins?

What components make up the phospholipid membrane?

What is the capability of RNA in terms of chemical reactions?

What is the critical function of the phospholipid membrane in the formation of the first cell?

What is the role of RNA in making proteins?

What is the critical characteristic of the macromolecule from which life evolved?

What is the initial genetic system believed to have been?

What replaced RNA as the main genetic material later on?

What is the capability of RNA in terms of chemical reactions?

What was the likely scenario for the formation of the very first cell?

What is the function of genes in relation to proteins?

What components make up the phospholipid membrane?

What is the role of RNA in making proteins?

What is the capability of RNA in terms of self-replication?

What is the role of the phospholipid membrane in the formation of the first cell?

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