Chapter 1: Origins of Life

Question 1

Who tried to simulate the formation of organic molecules from a “primordial soup” during the 1950s?

Answer 1

Stanley Miller, Harold Urey

Question 2

What provides evidence that early life contained genetic information?

Answer 2

Ribozymes

Question 3

What provides evidence that early life had the ability to catalyze biochemical reactions?

Answer 3

Ribozymes

Question 4

What provides evidence that early life had a way to separate a cell’s exterior from interior?

Answer 4

Micelles

Question 5

What is the name for a piece of RNA that can carry genetic information and catalyze its own splicing?

Answer 5

Ribozymes

Question 6

What is the name for a plasma membrane with a single phospholipid layer?

Answer 6

Micelle

Question 7

What were the first primitive cells composed of?

Answer 7

RNA, micelles

Question 8

What theory tries to explain the origin of Eukaryotes?

Answer 8

Endosymbiotic theory

Question 9

Which organelle uses O2 for respiration to produce ATP?

Answer 9

Mitochondria

Question 10

Which organelle uses light energy to fix CO2 into organic molecules?

Answer 10

Chloroplast