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Outcomes:
Outcomes:
outline the role of respiration in providing energy for cellular activities.
Cellular respiration
Cellular respiration
Cellular respiration refers to the breakdown of glucose and other respiratory substrates to make energy carrying molecules called ATP.
Cellular respiration is a series of processes which occur in the mitochondria of the cell and which produces energy.
Respiration is an important process for all cells.
All living cells carry out respiration.
It can be summarised as:
Glucose + oxygen ---> carbon dioxide + water + energy
All living things need energy to survive.
There are organelles in cells called mitochondria.
Respiration (also known as cellular respiration) is a chemical process that releases energy and occurs in the mitochondria.
Respiration is a very important process because this is how living things convert the energy locked up in glucose into a useful form.
Cells that have a high demand for energy, such as muscle cells in animals, contain many mitochondria.
Respiration takes place in the cells of animals, fungi, plants and many microscopic organisms.
Photosynthesis
Photosynthesis
It is sometimes said that photosynthesis is the reverse of respiration.
Use the equation for respiration to show why this might be so.
Answer the following Questions in your workbook under the heading Respiration
Write the Questions and answers in full sentences
Identify where cellular respiration takes place in cells.
Explain why cellular respiration constantly happens in cells.
Identify the source of energy for cellular respiration.
Contrast cellular respiration and breathing.
Predict which cells in your body would have the most mitochondria in them. Predict which cells would have the least. Justify your choices.
What is the overall reaction (formula) for photosynthesis? How does this compare to the overall reaction for cellular respiration?
Where does the energy for photosynthesis come from?
What plant pigments are involved in photosynthesis?
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