Introduction to Life Science: The Evolving Concept of Life

What is another term for life science?

Biology

Which of the following is NOT a branch of life science mentioned in the text?

Astrophysics

What is the study of microorganisms called?

Microbiology

What is the most accepted theory about the origin of life?

Life originated from inanimate matter Signup and view all the answers

What are living things also called, according to the text?

Organisms Signup and view all the answers

What specific learning outcome involves explaining evolution of life based on emerging pieces of evidence?

Explaining evolution of life based on emerging pieces of evidence Signup and view all the answers

What is the primordial soup theory?

A theory about the origin of life on Earth that suggests life originated from a mixture of organic matter in primitive water bodies Signup and view all the answers

What does 'primordial' mean in the context of the primordial soup theory?

Existing since the beginning of time Signup and view all the answers

Who proposed the primordial soup theory?

Alexander Oparin and John Haldane Signup and view all the answers

What was the purpose of Stanley Miller and Harold Urey's Electrical Discharge Experiment?

To explore the conditions of the early Earth and what the naturally occurring results would be Signup and view all the answers

What did Sidney Fox demonstrate in his Thermal Synthesis experiment?

The origin of life using a specific mixture of pure, dry amino acids Signup and view all the answers

What did Jack Szostak suggest about protocells in The Protocell Experiment?

That they required a nucleic acid genome and a lipid sac to be formed Signup and view all the answers

What were the abundant sources of energy in the atmosphere of primitive Earth, according to the primordial soup theory?

Heat, lightning, and UV rays Signup and view all the answers

What were the gases present in the atmosphere of primitive Earth according to the primordial soup theory?

Methane, ammonia, water vapor, and very little oxygen Signup and view all the answers

What were produced in Stanley Miller and Harold Urey's Electrical Discharge Experiment?

Amino acids Signup and view all the answers

What did Sidney Fox's experiment result in?

Formation of microscopic globules called protenoid microspheres Signup and view all the answers