BCHS - CELLULAR RESPIRATION

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What is released during cellular respiration

energy

Cellular respiration releases energy by breaking down :

food molecules

What is a product of cellular respiration?

water

What process takes place in the cytoplasm of a cell?

glycolysis

Glycolysis provides a cell with a net gain of how many ATP molecules?

18

Where does lactic acid fermentation occur?

muscle cells

What are the two main types of fermentation called?

alcoholic and lactic acid

In the presence of oxygen, what follows glycolysis?

the Krebs cycle

Why is cellular respiration called an aerobic process?

It requires oxygen.

What is the starting molecule for the Krebs cycle?

pyruvic acid

Where does electron transport occur in eukaryotes?

mitochondria

What is made with the energy of the electrons passing along the electron transport chain?

ATP

When the body exercises for longer than 90 seconds, it generates ATP by carrying out what?

cellular respiration

Cellular respiration occurs where?

all eukaryotic cells

What are the products of photosynthesis?

reactants of cellular respiration

Glycolysis convert glucose into two molecules of what?

pyruvic acid

What is a series of carrier proteins called?

Electron transport chain

What is required for the body to get rid of lactic acidin a chemical pathway?

oxygen

What is cellular respiration?

The process that releases energy by breaking down food molecules in the presence of oxygen.

What happens during gylcolysis?

Glucose is broken in half, producing 2 molecules of pyruvic acid.

Why is the Krebs cycle also know as the citric acid cycle?

Citric acid is the first compound produced in this process.

What is the main function of the electron transport chain?

Using high energy electrons from the Krebs cycle to convert ADP to ATP.

What role does oxygen play in photosynthesis and in cellular respiration?

Photosynthesis releases oxygen into the atmosphere. Cellular respiration uses oxygen to release energy from food.

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