Ch 14 Metabolism I

Question 1

What is catabolism?

Answer 1

Breakdown of large molc. into smaller ones

Question 2

What is anabolism?

Answer 2

Reactions that build cells

Question 3

What is the relationship between catabolism and anabolism?

Answer 3

Catabolism provides energy for anabolism

Question 4

______ activation energy allows for ________ reactions from reactants to products

Answer 4

Lower, faster

Question 5

What are energy carriers?

Answer 5

Molc. that gain or release small amts of energy in reversible reactions (NADH and ATP)

Question 6

What is an electron donor?

Answer 6

A reducing agent

Question 7

What is a electron acceptor?

Answer 7

An oxidizing agent

Question 8

Difference between ATP and NADH

Answer 8

NADH carries 2-3 times more energy and it donates and accepts electrons

Question 9

What are the three products of catabolism?

Answer 9

Fermentation, respiration, and photoheterotrophy

Question 10

What is glycolysis (EMP)?

Answer 10

Glucose breaks down into two pyruvate molecules (facultative aerobic)

Question 11

What is the Pentose phosphat pathway (PPP)?

Answer 11

Uses ribulose-5-phosphate to produce sugars and seven carbons 1 ATP, 2NADPH

Question 12

What is the Entner-Doudoroff pathway?

Answer 12

Produces 1 ATP, NADH, NADH Gut flora use ED pathway