BIO 2215 EXAM 2 STUDY GUIDE UPDATED ACTUAL QUESTIONS AND CORRECT ANSWERS

BIO 2215 EXAM 2 STUDY GUIDE UPDATED ACTUAL
QUESTIONS AND CORRECT ANSWERS

Question:
1. Metabolism
Answer:
total sum of chemical reactions of biosynthesis and energy-harvesting

Question:
2. Catabolism
Answer:
all of the chemical reactions that break down molecules, either to extract energy or to produce simple
molecules

Question:
3. Anabolism
Answer:
all of the metabolic reactions that build or assemble more complex molecules from simple ones

Question:
4. Exergonic
Answer:
chemical reactions that release energy

Question:
5. Endergonic
Answer:
reactions that absorb energy

Question:
6. ATP
Answer:
negatively charged phosphate groups attached to a ribose sugar and an adenine molecule

Question:
7. Substrate Level Phosphorylation
Answer:
uses chemical energy to add phosphate ion to ADP

Question:
8. Oxidative Phosphorylation
Answer:
uses energy from proton motive force to add phosphate ion to ADP

, Question:
9. Photophosphorylation
Answer:
uses radiant energy from the sun to convert ADP to ATP

Question:
10. Linear Metabolic Pathway
Answer:
the Pentose Phosphate Pathway is an example of a...

Question:
11. Branched Metabolic Pathway
Answer:
Glycolysis is an example of a...

Question:
12. Cyclical Metabolic Pathway
Answer:
the Kreb's Cycle (TCA Cycle) is an example of a...

Question:
13. Exoenzyme
Answer:
active enzyme outside of the cell

Question:
14. Endoenzyme
Answer:
enzymes that remain in the cell

Question:
15. Enzyme/Substrate Complex
Answer:
a substrate binds to an active site of an enzyme to form an...

Question:
16. Non-competitive Inhibition
Answer:
inhibitor and substrate act on different enzyme sites, which shuts the pathway down (also called feedback
inhibition)

Question:
17. Competitive Inhibition
Answer:
inhibitor and substrate act on same enzyme site, the inhibitor is structurally similar to substrate