exercise phys final

Question 1

metabolism

Answer 1

summ of all chemical reactions in the body

Question 2

catabolism

Answer 2

breakdown of molecules (exercise)

Question 3

anabolism

Answer 3

synthesis of molecules (build-up, eating)

Question 4

factors affecting enzymes

Answer 4

cofactors
substrates concentration
hormones
pH
temp
enzymes

Question 5

competitive inhibition

Answer 5

enzymes fighting over binding sites on molecules

Question 6

non-competitive inhibition

Answer 6

binds to another part of an ezymes when a binding site is full

Question 7

feedback inhibition

Answer 7

products of a reation can inhibit other reactions

Question 8

enzyme affinity

Answer 8

how liekly the enzyme is to catalyze the reaction

Question 9

kinase

Answer 9

transfers phosphate groups (phosphorylation)

Question 10

phosphorylase

Answer 10

addition of an inorganic phosphate

Question 11

phosphase

Answer 11

remove phosphate groups

Question 12

dehydrogenase

Answer 12

removes H+ atoms

Question 13

oxidase

Answer 13

catalyze oxidation-reduction reactions involving O2

Question 14

isomerase

Answer 14

rearrangement of the structure of molecules

Question 15

nutrients in exercise metabolism

Answer 15

carbohydrates (glucose, glycogen, muscle and liver)
lipids (fatty acids, triglycerides)
proteins ( amino acids)

Question 16

factors effecting energy production

Answer 16

• energy demand
• rate of demand

Question 17

when is PCr system used in metabolism

Answer 17

• initiation of exercise
• high intensity
  workload transfer during exercise