BIOLOGY 1710 EXAM 2 REVIEW UPDATED ACTUAL
QUESTIONS AND CORRECT ANSWERS
Question:
1. Metabolism
Answer:
is the totality of an organisms chemical reactions
Question:
2. Catabolism
Answer:
breaking down
Question:
3. Anabolism
Answer:
synthesis (building)
Question:
4. Catabolic pathways
Answer:
release energy by breaking down complex molecules into simpler compounds
Question:
5. Anabolic pathways
Answer:
consume energy to build complex molecules from simpler ones
Question:
6. Energy
Answer:
is the capacity to cause change
Question:
7. Kinase
Answer:
enzyme that adds phosphate
,Question:
8. Phosphatase
Answer:
enzyme that removes phosphate
Question:
9. First Law of Thermodynamics
Answer:
the energy of the universe is constant (cannot be created or destroyed)
Question:
10. Second Law of Thermodynamics
Answer:
every energy transfer increased the ENTROPY (disorder) of the universe
Question:
11. Entropy
Answer:
measure of disorder or randomness
Question:
12. free energy
Answer:
energy that can do work
Question:
13. negative delta G are...
Answer:
SPONTANEOUS
Question:
14. Exergonic reaction
Answer:
proceeds with a net release of free energy and is SPONTANEOUS
Question:
15. Endergonic reaction
Answer:
absorbs free energy from its surroundings and is NON - spontaneous
, Question:
16. A cell does three main kinds of work:
Answer:
chemical, transport, and mechanical
Question:
17. Energy coupling
Answer:
the use of exergonic process to drive an endergonic one
Question:
18. Catalyst
Answer:
a chemical agent that speeds up a reaction without being consumed by the
reaction
Question:
19. Enzyme
Answer:
a catalytic protein
Question:
20. Activation energy (Ea)
Answer:
the initial energy needed to start a chemical reaction
Question:
21. Substrate
Answer:
reactant that an enzyme acts on
Question:
22. active site
Answer:
is the region on the enzyme where the substrate binds
Question:
23. enzyme-substrate complex
Answer:
substrate + enzyme
QUESTIONS AND CORRECT ANSWERS
Question:
1. Metabolism
Answer:
is the totality of an organisms chemical reactions
Question:
2. Catabolism
Answer:
breaking down
Question:
3. Anabolism
Answer:
synthesis (building)
Question:
4. Catabolic pathways
Answer:
release energy by breaking down complex molecules into simpler compounds
Question:
5. Anabolic pathways
Answer:
consume energy to build complex molecules from simpler ones
Question:
6. Energy
Answer:
is the capacity to cause change
Question:
7. Kinase
Answer:
enzyme that adds phosphate
,Question:
8. Phosphatase
Answer:
enzyme that removes phosphate
Question:
9. First Law of Thermodynamics
Answer:
the energy of the universe is constant (cannot be created or destroyed)
Question:
10. Second Law of Thermodynamics
Answer:
every energy transfer increased the ENTROPY (disorder) of the universe
Question:
11. Entropy
Answer:
measure of disorder or randomness
Question:
12. free energy
Answer:
energy that can do work
Question:
13. negative delta G are...
Answer:
SPONTANEOUS
Question:
14. Exergonic reaction
Answer:
proceeds with a net release of free energy and is SPONTANEOUS
Question:
15. Endergonic reaction
Answer:
absorbs free energy from its surroundings and is NON - spontaneous
, Question:
16. A cell does three main kinds of work:
Answer:
chemical, transport, and mechanical
Question:
17. Energy coupling
Answer:
the use of exergonic process to drive an endergonic one
Question:
18. Catalyst
Answer:
a chemical agent that speeds up a reaction without being consumed by the
reaction
Question:
19. Enzyme
Answer:
a catalytic protein
Question:
20. Activation energy (Ea)
Answer:
the initial energy needed to start a chemical reaction
Question:
21. Substrate
Answer:
reactant that an enzyme acts on
Question:
22. active site
Answer:
is the region on the enzyme where the substrate binds
Question:
23. enzyme-substrate complex
Answer:
substrate + enzyme
