IB Biology

All of the chemical reactions of the cell are called

• metabolism

• catabolism

• redox reactions

• phosphorylation

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Enzymes are

• proteins that function as catalysts

• broken down in reactions that require energy input

• used up in chemical reactions.

• not needed for catabolic reactions

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When large molecules are being formed by chemical reactions it is called

• anabolism

• catabolism

• photosynthesis

• respiration

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When molecules are being broken down in a chemical reaction it is called

• anabolism
• catabolism
• photosynthesis
• uptake

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Carbohydrates contain the following elements:

• Carbon, Hydrogen, Oxygen

• Carbon, Hydrogen, Nitrogen

• Carbon, Hydrogen, Phosphorous

• Carbon, Oxygen, Nitrogen

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Lipids contain the following elements:

• Carbon, Oxygen, Sulfur

• Oxygen, Carbon, Nitrogen

• Carbon, Oxygen, Hydrogen

• Carbon, Nitrogen, Sulfur

The monomers that make up polysaccharides are:

• polypeptides

• monosaccharides

• amino acids

• fatty acids

The monomers that make up polypeptides are called:

• amino acids

• fatty acids

• nucleotides

• monosaccharides

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Another name for a polypeptide is:

• lipid

• carbohydrate

• protein

• amino acid

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Polymers are broken down into monomers by the process of:

• hydrolysis

• dehydration synthesis

• condensation synthesis

• hydrosynthesis