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25 Cards in this Set
- Front
- Back
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Atom |
Smallest unit of matter that cannot be broken down by chemical means |
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Element |
A pure substance made of only one kind of atom |
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Molecule |
The smallest unit of a substance that keeps all of the physical and chemical ties of that substance |
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Compound |
A substance made of atoms of two or more different elements joined by a chemical bond |
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Ion |
Radical or molecule that has gained or lost one or more electrons and has a negative or positive charge |
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Cohesion |
The force that holds molecules of a single material together |
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Adhesion |
The attractive force between two bodies of a different substances that are in contact with each other |
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Acid |
A compound that increases the number of hydronium ions when dissolved in water |
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Base |
A compound that increases the number of hydroxide ions when dissolved in water |
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Carbohydrate |
Any organic compound that is made up of carbon hydrogen and oxygen. Providing nutrients to the cells of living things |
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Monosaccharide |
A simple sugar that is the basic subunit of a carbohydrate |
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Lipid |
Nonpolar molecules that are not soluble or mostly insoluble in water |
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Protein |
Large molecule formed by Links smaller molecules called amino acids |
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Amino acid |
The building blocks of protein |
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Nucleic acid |
Consists of either one or two long chains of repeating units called nucleotides |
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Nucleotide |
What are the structural components or building blocks of DNA and RNA |
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DNA |
Consists of two strands of nucleotide that spiral around each other |
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RNA |
Ribonucleic acid May consist of a single strand of nucleotides or base paired nucleotides |
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ATP |
It is a single nucleotide with two extra energy storing phosphate group |
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Energy |
The ability to move or change matter |
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Activation energy |
The energy needed to start a chemical reaction |
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Enzyme |
Substances that increase the speed of chemical reactions |
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Substrate |
A substance on which an enzyme acts during a chemical reaction |
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Active sites |
An enzyme is a large protein within one or more Deep folds on its surface |
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Solution |
A homogeneous mixture of two or more substances uniformly dispersed throughout a single phase |
