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Biology Energy Flow - Respiration Questions and Answers Graded A+
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Biology Energy Flow - Respiration
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Biology Energy Flow - RespirationExplain the overall goal of cellular respiration. - answer to convert the chemical energy
in food (glucose) to chemical energy stored in ATP.
Write and interpret the chemical formula for cellular respiration. Label the reactants and
products. - answer Chemical Equation
C6H1206 + 6O2 ---> 6CO2 + 6H2O + Energy (ATP)
C6H1206 + 6O2 ---> 6CO2 + Energy (ATP)
Reactants = ingredients
C6H1206 (glucose) and O2 (Oxygen)
Products = results
CO2 (carbon dioxide) and H2O (water)
Describe the difference between aerobic and anaerobic respiration. Include the
difference in overall ATP production. - answerIf oxygen is present, then the cell will go
through a two-step process known as aerobic respiration to obtain energy. You get
more ATP.
If oxygen is NOT present, then the cell will go through the process of anaerobic
respiration, commonly fermentation, in order to obtain energy. You get less ATP.
Describe the significant events of glycolysis. Include which reactants and products (if
any) are involved. Highlight what will be released as a product and what will move on to
the next stage. Be sure to include where the process occurs in the cell. - answerThe
first stage in cellular respiration is glycolysis, the breakdown of glucose.
Purpose: split the 6-carbon molecule of glucose in half to form 2 3-carbon molecules
called pyruvate.
This occurs in the cytoplasm, and requires no oxygen, meaning it is anaerobic.
Produces 2 ATP total and 2 NADH.
Describe the significant events of the Krebs Cycle. Included which reactants and
products are involved. Highlight what will be released as a product and what will move
on to the next stage. Be sure to include where the process occurs in the mitochondria. -
answerTakes place in mitochondrial Matrix
Process: 2 pyruvate molecules from glycolysis are chemically converted in this cycle to
make 2 ATP (and some NADH and FADH2)
Releases carbon dioxide as a waste product
Describe the significant events of the Electron Transport Chain. Include which reactants
and products are involved. Highlight what will be released as a product and what will
move on to the next stage. Be sure to include where the process occurs in the
mitochondria. - answerTakes place in the inner membrane of the mitochondria
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