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Identify the basic principles of biochemistry.

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goody2shoes | Student, Undergraduate | (Level 1) Honors

Posted March 10, 2013 at 7:53 PM via web

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Identify the basic principles of biochemistry.

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maxim777 | Student, Undergraduate | (Level 2) eNoter

Posted March 17, 2013 at 4:09 PM (Answer #1)

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  • The Chemical Unity of Diverse Living Organisms
  • Living Matter Has Several Characteristics
  • Biochemistry Seeks to Explain Life in Chemical Terms
  • Chemical Unity Underlies Biological Diversity
  • All Macromolecules Are Constructed from a Few Simple Compounds
  • Energy Production and Consumption in Metabolism
  • Organisms Are Never at Equilibrium with Their Surroundings
  • Molecular Composition Reflects a Dynamic Steady State
  • Organisms Exchange Energy and Matter with Their Surroundings
  • Cells and Organisms Interconvert Different Forms of Energy
  • The Flow of Electrons Provides Energy for Organisms
  • Enzymes Promote Sequences of Chemical Reactions
  • ATP Is the Universal Carrier of Metabolic Energy, Linking Catabolism and Anabolism
  • Metabolism Is Regulated to Achieve Balance and Economy
  • Biological Information Transfer
  • Genetic Continuity Is Vested in DNA Molecules
  • The Structure of DNA Allows for Its Repair and Replication with Near-Perfect Fidelity
  • Changes in the Hereditary Instructions Allow Evolution
  • Molecular Anatomy Reveals Evolutionary Relationships
  • The Linear Sequence in DNA Encodes Proteins with Three-Dimensional Structures
  • Noncovalent Interactions Stabilize Three-Dimensional Structures
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ncchemist | eNotes Employee

Posted March 23, 2013 at 2:09 PM (Answer #2)

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Biochemistry is about the study of the organic molecules that make up living systems (called biomolecules) and the chemistry that they undergo in a living organism to sustain life.  Since biomolecules tend to be very large and complex, they have been divided into four main groups: amino acids, nucleic acids, lipids, and sugars.  Amino acids are the building blocks of proteins and catalysts.  Nucleic acids are the building blocks of DNA and RNA.  Lipids are fats and make up things like fatty tissues and cell membranes.  Finally, sugars are used for everything from food and energy sources to structural support.  They can range from simple food sugars to complex starch polymers.

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