Amber Test 2 study guide 1

Commonly when we hear the word "respiration" we think of moving air in and out of our lungs but cellular respiration refers to the __________ of energy within the cell.

• Production

• Consumption

• Transfer

• Storage

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Cellular Respiration occurs in stages, the first stage does not require oxygen and is termed ______________ respiration or ____________________.

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Anaerobic respiration occurs in the ________________________ of the cell.

• Cytoplasm

• Nucleus

• Mitochondria

• Ribosome

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During anaerobic respiration a 6-carbon molecule or ____________ is converted into two 3-carbon molecules or ____________.

• glucose/pyruvate (or pyruvic acid)

• Pyruvate/glucose

• carbon/tri-carbonate

• hexa-molecule/tri-molecule

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During anaerobic respiration _______ molecules of ATP are used but __________ molecules of ATP are formed for a net gain of ___________ molecules of ATP.

• 2, 4, 2

• 2, 2, 0

• 4, 2, -2

• 0, 4, 4

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_____ hydrogen ions are also 'given off' during glycolysis.

• 2

• 4

• 6

• 8

If there is no oxygen present the pyruvic acid is converted to _________ acid, a process known as ______________________.

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If there is oxygen present the pyruvic acid enters the ____________ (organelle) where aerobic respiration occurs.

• Mitochondria

• Chloroplast

• Nucleus

• Ribosome

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The enzymes for aerobic respiration are located along the inner membrane of the mitochondria. This inner membrane is termed the ____________________.

• Cristae

• Matrix

• Stroma

• Thylakoid

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The first step of aerobic respiration is the conversion of pyruvic acid to ______________________.

• Acetyl-CoA

• Lactic Acid

• Ethanol

• Glucose

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