Biology keywords

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Metabolism
Chemical reactions that take place in an organism
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Activation Energy
Level of energy required for a reaction to take place
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Adenine
Nitrogen-containing organic base in nucleic acids
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Adhesion
Attraction between molecules of 2 different substances
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Amino Acid
Contains amino group and carboxyl group. Monomers of protein molecules
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Amylase
Enzyme that catalyses hydrolysis of starch to maltose
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Base-pairing rules
Complementary base-pairing between bases in nucleic acids
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Benedict's test
Test for reducing sugars
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Biuret test
Biochemical test for presence of proteins
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Cohesion
Attraction between water molecules due to hydrogen bonding
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Coenzyme
Organic non-protein molecule that binds with substrate to active site temporarily
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Cofactor
Molecule or ion that helps an enzyme work
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Competitive inhibitor
Substance that reduces rate of reaction by binding to active site
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Deamination
Removal of amine group from amino acid
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Deoxyribose
5-carbon sugar in DNA nucleotides
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DNA
Polymer of nucleotide molecules and form instruction for protein synthesis
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Double Helix
Structure of DNA
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End-product inhibition
Last product in a sequence of enzyme reactions becomes inhibitor for earlier enzyme
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Enzyme-product complex
Structure in which product molecules are bound to enzyme molecule
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Ethanol emulsion test
Biochemical test for presence of lipids
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Fibrous protein
Long,thin structure, insoluble in water and metabolically inactive and has a structural role
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Globular protein
Spherical molecules, soluble in water and have active roles
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Histone
Protein associated with DNA which wound around it to form chromatin
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Hormone
Chemicals made in endocrine glands carried in blood to target cells
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Induced Fit
Enzyme molecule changes shape to fit substrate molecule
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Keratinocytes
Cells that make keratin
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Limiting factor
If factor is increased then rate of process will increase
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Nucleic acid
Polymer of nucleotide molecules
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Prosthetic group
Non-protein organic molecule forming permanent part of protein molecule
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Purine
Adenine and Guanine
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Pyrimidine
Thymine, Cytosine and Uracil
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Ribose
5-carbon sugar found in RNA nucleotides
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Surface tension
Skin on water surface due to hydrogen bonds pull surface molecules down
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tRNA
Type of RNA that transfers amino acids to ribosomes in protein synthesis
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Triglyceride
Molecule of glycerol molecule and 3 fatty acid molecules
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Other cards in this set

Card 2

Front

Activation Energy

Back

Level of energy required for a reaction to take place

Card 3

Front

Adenine

Back

Preview of the front of card 3

Card 4

Front

Adhesion

Back

Preview of the front of card 4

Card 5

Front

Amino Acid

Back

Preview of the front of card 5
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