Metabolism

Question 1

Catabolic Pathways (breakdown pathways)

Answer 1

metabolic pathways release energy by breaking down complex molecules to simpler compounds

(eg. cellular respiration)

Question 2

Anabolic Pathways (biosynthetic)

Answer 2

pathway consumes energy to build complicated molecules from simpler ones

Question 3

Bioenergetics

Answer 3

The study of how energy flows through living organisms

Question 4

First law of thermodynamics

Answer 4

Matter cannot be created or destroyed

Question 5

entropy

Answer 5

A measure of disorder, or randomness

Question 6

2nd law of thermodynamics

Answer 6

Every energy transfer increases the entropy of the universe

Question 7

spontaneous process

Answer 7

a process that can occur without added energy

Question 8

How many reactions does an enzyme perform?

Answer 8

A typical enzyme performs 1000 reactions/s

Question 9

Do enzymes care about their environment?

Answer 9

Yes

Enzymes are proteins and proteins shape is sensitive to the environment Upon heating or exposure to a heavily charged environment they can
change shape irreversibly ← Denaturing

Question 10

Can enzymes perform endergonic reactions?

Answer 10

NO

Question 11

What allows for endergonic reactions to occur?

Answer 11

It’s ya boi, ATP

It acts as a reactant in coupled reactions that create intermediate reactions that are exergonic

Question 12

what is another name for the citric acid cycle

Answer 12

The Krebs cycle