Ch8: Intro to Metabolism

Question 1

First law of thermodymanics

Answer 1

energy can be transferred and transformed, but it cannot be created or destroyed

Question 2

Second law of thermodynamics

Answer 2

every energy transfer or transformation increases the entropy (disorder) of the universe

Question 3

Metabolism

Answer 3

the totality of an organism’s chemical reactions, consisting of catabolic and anabolic pathways, which manage the material and energy resources of the organism.

Question 4

Anabolic pathway

Answer 4

consumes energy to build a complex molecule

Question 5

Catabolic pathway

Answer 5

releases energy by breaking down a complex molecule into simpler molecules

Question 6

Metabolic pathway

Answer 6

a series of chemical reaction that either anabolic pathway or catabolic pathway

Question 7

Enzyme

Answer 7

a macromolecule that speeds up chemical reaction

Question 8

What does metabolism manages?

Answer 8

it manages material and energy resources of the cell