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17 Cards in this Set
- Front
- Back
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How does energy metabolism define life?
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Energy Meta. is the ability of living organisms to extract energy from the environment. Life requires energy to exist, grow, and reproduce.
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Why does the ability to reproduce define life?
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All living organisms grow through metabolism and reproduction. They need to make copies of them selves.
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What is the suitable environment for life? (7)
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Temp (37°C), Water, Salt Concentration, Oxygen, Pressure and Waste removal.
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What are the nutritional requirements for life?
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Organic Compounds
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What are Organic Compounds?
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They consist of Oxygen, Carbon, Nitrogen, and Hydrogen.
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What is chemical energy?
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It is stored in the bonds of chemical compounds and can be released by breaking these bonds.
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What is the source of energy for living organisms?
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Sun
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What are the common characteristics of life?
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Enzymes, Organic Compound, and Genetic Code.
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What is the relationship of all living things on earth?
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Genetic code with 64 possible codes.
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Monomers of Protein?
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Amino Acids
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Monomers of Lipids?
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Glycerol and Fatty acids
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Monomers of Carbohydrates?
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Simple sugars (mono-saccharides)
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Monomers of Nucleic Acids?
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Nucleotides
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Asexual reproduction
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an organism the reproduces without forming gametes
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Coupled Reactions
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a pair of reactions that are linked together such that energy produced in one reaction supplies the energy to drive the second reaction.
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Embryo
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early developmental stage of an organism produced from a fertilized egg
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Enzyme
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A protein that serves as a biological catalyst, Initiators for breaking down chemical bonds to release energy
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