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Bio sac 2

photosynthesis and cellular respiration

QuestionAnswer
Function of ATP ATP is the carrier of energy in living organisms. Molecules of ATP store usable energy for the cell's processes. It is released when broken down into ADP + Pi
Difference between catabolic and anabolic reactions. Anabolic reactions are the building of larger molecules from smaller molecules and it requires energy. Catabolic reaction are the break down of macromolecules into smaller molecules which releases energy.
Examples of anabolic and catabolic reactions An example of an anabolic reaction is photosynthesis and an example of a catabolic reaction is cellular respiration.
Worded and chemical equation for photosynthesis water + carbon dioxide light energy --> chlorophyll glucose + water + oxygen 12H20 + 6CO2 light energy --> chlorophyll C6H12O6 + 6H20 + 6CO2
Stages of photosynthesis, inputs and outputs, where they occur Light dependent stage occurs in the grana. Inputs are H2O, Light, ADP +Pi, NADP. Outputs are O2, ATP, NADPH. Light independent stage occurs in the stroma. Inputs are CO2, ATP, NADPH. Outputs are glucose, ADP + Pi, NADP, H2O
Difference between aerobic and anaerobic respiration Aerobic respiration requires oxygen and it yields 36 ATP. Anaerobic respiration doesn't require oxygen and it yields 2 ATP.
Anaerobic respiration in humans and yeast, Anaerobic respiration in humans produces lactic acid. Anaerobic respiration in yeast produces CO2 and ethanol.
Worded and chemical equations for aerobic cellular respiration. glucose + oxygen --> carbon dioxide + water + 36ATP C6H12O6 + 6O2 --> 6CO2 + 6H2O + 36ATP
Glycolysis Occurs in the cytosol of cells. Inputs are glucose, 2ADP + 2Pi, 2NAD+. Outputs are 2 pyruvate, 2ATP, 2NADH. Oxygen is not required and the total ATP yield is 2.
The Krebs Cycle Occurs in the Matrix of mitochondria. Inputs are 8NAD+, 2FAD+, 2ADP+Pi. Outputs are 2ATP, 8NADH, 2FADH2, 6CO2. Oxygen is required but not used. The total ATP yield is 2.
The electron transport chain Occurs in the cristae of mitochondria. Inputs are 8NADH and FADH, 32 ADP + 32P. Outputs are 32ATP, 8NAD+, 2FAD+ and 6H2O. Oxygen is required and the total ATP yield is 32.
Independent variables in the pracs Photosynthesis - whether light is present Cellular respiration - yeast in anaerobic conditions
Dependent variables Photosynthesis - the colour of bromothymol blue Cellular respiration - presence of ethanol and CO2
Controlled variables Photosynthesis - the amount of distilled water, same size test tubes, number of drops of bromothymol blue. Cellular respiration - same concentration of glucose solution, same amount of glucose solution, same size conical flask.
Created by: lilijade
 

 



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