Cellular Respiration

The substance that goes into step 1 of cellular respiration is...

• latic acid

• oxygen

• carbon dixoide

• sugar

What molecule goes into step 1?

• oxygen

• glucose

• carbon dixoide

• water

In eukaryotes, electron transport occurs in the

• cell membrane

• cytoplasm

• inner mitochondrial membrane

• nucleus

Letters D and E in figure 3 represent the input of ________ into process “C” and the output of _________ .

• pyruvic acid / carbon dioxide

• oxygen / water

• sugar / ATP

• energ carrying molecules / carbon dixoide

Letter C in figure 3 represents what part of cellular respiration?

• glycolysis

• Krebs cycle

• transcription

• electron transport chain

Which of these processes takes place in the cytoplasm of a cell?

• All of these processes take place in the cytoplasm of a cell.

• Krebs cycle

• electron transport

• glycolysis

The proper order of steps in cellular respiration is...

• glycolysis - electron transport chain/ATP synthesis - Krebs cycle

• electron transport chain/ATP synthesis - Krebs cycle - glycolysis

• glycolysis - Krebs cycle - electron transport chain/ATP synthesis

• Krebs cycle - glycolysis - electron transport chain/ATP synthesis

Identify the correct chemical equation for cellular respiration.

• C₆H₁₂O₆ + 6CO₂ ----> 6H₂O + 6CO₂

• 6CO₂ + 6H₂O ----> C₆H₁₂O₆ + 6O₂

• C₆H₁₂O₆ + 6O₂ ---->6CO₂ + 6H₂O 

Where in the cell does the Krebs Cycle take place?

• outer membrane

• cytoplasm

• inner membrane

• matrix

The starting molecule for the Krebs cycle is

• pyruvic acid/acetyl coa

• FADH₂

• glucose.

• NADH