Question

Lab 4: Cellular Respiration Anaerobic Respiration What are the two kinds of anaerobic respiration? What are the byproducts of each type? Aerobic Respiration vs. Anaerobic Respiration What do they have in common? How are they different?

Lab 5: Enzymes and Standard Curve To what extent can changing an enzyme's environment affect its functionality? Experimental design Be able to understand how to use a standard curve to find out an unknown concentration of glucose using absorbance values.

Answer 1

Lab 4

Similarities between aerobic and anaerobic respiration -

Both of them results in The breakdown of sugar

Both of them undertake the process of glycolysis

Both of them result in the formation of ATP molecules

Difference between aerobic and anaerobic respiration -

	Aerobic respiration	anaerobic respiration
Definition	breakdown of sugar in the presence of oxygen	breakdown of sugar in the absence of oxygen
Location	cytoplasm and mitochondria	cytoplasm
Steps	glycolysis, pyruvate oxidation, citric acid cycle and electron transport chain	glycolysis and fermentation
Purpose	production of ATP molecules which can be used by the cell to perform its metabolic activities	regeneration of NAD+ which can enter aerobic respiration
#ATP	30 to 34	2

Difference between the two types of anaerobic respiration -

	Lactic acid fermentation	alcohol fermentation
Location	muscle cells, bacteria and yeast	bacteria and yeast
Products	lactic acid	ethanol and carbon dioxide
Enzyme	lactate dehydrogenase	alcohol dehydrogenase

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