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Final Review: Chapter 4
Based on the 2008 McDougal Littel Biology Textbook
19
Biology
9th Grade
01/17/2010

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Term
ATP changes into what after losing a phosphate group?
Definition
ADP, adenosine diphosphate
Term
The breakdown a of glucose molecule yields about how much ATP?
Definition
36
Term
Which stores the most amount of energy? Carbohydrates, lipids, or proteins?
Definition
Lipids. One triglyceride yields about 146 molecules of ATP.
Term
What is chemosynthesis?
Definition
The process by which some organisms use chemical energy instead of light energy to make energy-storing carbon based molecules.
Term
What does chlorophyll do?
Definition
It absorbs some of the energy in visible light.
Term
What are the two main types of chlorophyll and what two wavelengths do they absorb most?
Definition
Chloropyll a and b. Red and blue wavelengths.
Term
What is the equation for photosynthesis?
Definition
6CO2 + 6H2O -> -> -> C6H12O6 + 6O2
Term
Put these steps in order: Photosystem I, photosystem II,Calvin cycle, and ATP production.
Definition
Phtosystem II, Photosystem I,ATP production, Calvin cycle.
Term
Put these steps of photosystem II in order: A. Water molecules split, B. Hydrogen ions transported, C. Energy absorbed from sunlight.
Definition
CAB
Term
True or false. NADPH is produced in Photosystem I
Definition
True.
Term
Put these steps of the Calvin Cycle in order: A. CO2 molecules added to 5-carbon molecules, B. Glucose formed, C. energy used to split 6 carbon molecules forming 3-carbon molecules, D. 3- carbon molecules recycled, E. three carbon molecules exit the cycle.
Definition
ACEBD
Term
Cellular respiration is anaerobic or aerobic? What about glycolysis?
Definition
Cellular repiration- aerobic
Glycolysis- anaerobic
Term
What are the products of glycolysis?
Definition
2 three-carbon molecule (pyruvates) and 2 ATP and 2 NADH
Term
List the steps of the Krebs Cycle.
Definition

1. Pyruvate broken down into a two-carbon molecule- forms one molecule of NADH

2. Coenzyme A bonds to 2-C molecule

3. 2-C molecule added to a 4-c molecule to form Citric Acid

4. Citric Acid broken down into a 5-C molecule. Form one NADH

5. 5-C molecule broken down into a 4-C molecule. One NADH and ATP formed

6. 4-C molecule rearranged. NADH and FADH2 formed.

Term
List the steps of the electron transport chain after the Krebs Cycle.
Definition

1. Electron removed from NADH and FADH2

2. H+ ions transported across membrane

3. ADP changed into ATP by ATP synthase

4. Water formed and oxygen picks up H+ ions.

Term
True or false. Fermentation provides glycolysis with a steady supply of NAD+ but doesn't make ATP itself.
Definition
True. Fermentation only allows glycolysis to continue.
Term
What causes your muscles to "burn"?
Definition
Lactic Acid
Term
What is the difference between Lactic Acid and Alcoholic fermentation?
Definition
Lactic Acid produces 2 3-C molecules.
Alcoholic fermentation produces 2 alcohol molecules, and 2 carbon dioxide.
Term
True or false. Alcoholic fermentation is important in some foods such as bread.
Definition
True.
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