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17 Cards in this Set
- Front
- Back
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What is biology?
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The study of life
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What is the scientific method
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State the problem
Gather information Form a hypothesis Perform Experiment Analyze data Draw conclusions Revise and Repeat -------------------------- answers may vary |
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Define control group
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A group that does not change in an experiment. They are used to compare to the experimental group.
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Define Experimental group
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A group in an experiment that changes
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What is an atom?
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The smallest building block of life
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What are the four main types of carbon compounds?
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Lipids, Proteins, Nucleic Acids, Carbohydrates
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what is a Chemical Compound?
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A substance formed from two or more elements
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Define molecule
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two or more atoms bonded together being the smallest unit of a Chemical compound
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Carbon has an atomic number of 6 and an atomic mass of 12. What does a model of a carbon look like?
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what is an Ionic bond?
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a magnetic attraction between two atoms
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What is a covalent bond?
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When two or more atoms share electrons
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What is a hydrogen bond?
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an intermolecular attraction between the hydrogen of on molecule and another atom of another molecule
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What does a PH scale look like?
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What elements are found in proteins, carbohydrates and lipids?
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hydrogen, nitrogen, carbon, oxygen
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what are the monomers of proteins, lipids, carbohydrates, nucleic acids
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protein- amino acid
lipids- fatty acids and glycerol carbohydrates- glucose nucleic acid- nucleotides |
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Who devised the cell theory
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schleiden schwann
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who first used a simple microscope?
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vahn leeywenhook
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