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13 Cards in this Set
- Front
- Back
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Proteins are composed of molecules known as ____ _____ linked with ______ _____.
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amino acids
peptide bonds |
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Proteins are equal to ___ calories per gram.
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4.o
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What 4 elements are amino acids made up of?
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Carbon, hydrogen, Oxygen, Nitrogen
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Which 2 amino acids have sulfur present in them?
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Methionine and Cysteine.
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What are the 8 essential amino acids?
LT MVP LIT |
# Lysine
# Threonine # Methionine # Valine # Phenylalenine # Leucine # Isoleucine # Tryptohpan |
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Enzymes are _______. They are organic catalysts.
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proteins
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Coenzyme + Apoenzyme =
non-protein protein part |
Holoenzyme
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Extracellular enzymes (exoenzymes) function:
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outside the cell;
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Intracellular enzymes (endoenzymes) function:
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inside the cell.
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Constitutive enzymes are always..
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present in the cell.
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Inducible enzymes are present only when...
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when a suitable substrate is present
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Examples of Enzymes:
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1. Hydrolase - Hydrolytic or digestive
2. Oxidase - Oxidizes its substrate (adds oxygen or removes hydrogen) 3. Reductase - Reduces its substrate (adds hydrogen) 4. Dehydrogenase - Removes hydrogen 5. Decarboxylase - Removes carbon dioxide 6. Carboxylase - Adds carbon dioxide |
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More examples of enzymes:
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7. Transferase - Transfers small groups from one molecule to another
8. Permease - Transports molecules across membranes 9. Sucrase (invertase) - Digests sucrose 10. Lipase - Hydrolyzes lipids 11. Protease - Hydrolyzes proteins 12. Nuclease - Hydrolyzes nucleic acids |
