B4: METABOLISM Flashcards

1
Q

What is metabolism?

A

the sum of all the reactions in a cell/the body (all controlled by enzymes)

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2
Q

What is metabolic rate?

A

the rate of all chemical reactions in body

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3
Q

What are 2 types of metabolic reactions?

A

-synthesising larger molecules
-breaking down larger molecules

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4
Q

What are examples of synthesising larger molecules?

A

-glucose –> carbohydrates (starch in plant cells, glycogen in animal cells, cellulose to make cell walls in plant cells)
-1glycerol + 3 fatty acids –> lipid molecules
-amino acids –> proteins
-glucose + nitrate ions –> amino acids –> proteins

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5
Q

What are examples of breaking down larger molecules?

A

-respiration
-digestion
-urea

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