Essential Biochemistry Third Edition Charlotte W. Pratt | Kathleen Cornely. Chapter 1 The Chemical Basis of Life. Biochemistry involves the study of 4 types of molecules. Nucleic Acids. Proteins. Biochemistry The scientific discipline that seeks to explain life at the molecular level.By amora
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Proteins and Nucleic Acids. Amino acids are the building blocks of proteins. Side chains (R groups) give amino acids their various properties (polar, nonpolar) Amino acids combine to form polypeptides (polymers) via loss of ____ molecules.
Proteins and Nucleic Acids. Also featuring amino acids and polypeptides…. Nucleic Acids. DNA and RNA are informational molecules in eukaryotic cells.
Proteins & Nucleic Acids. Proteins make up around 50% of the bodies dry mass and serve many functions in the body including: Enzymes - Catalysts that selectively speed up chemical reactions Storage Defense against foreign substances Structural components Transport molecules Movement
Nucleic acids & Proteins. Molecular Genetics. َ At the end of this session, you should answer this questions: 1. What is DNA and its structure? 2. What is RNA and its types, structure and functions? 3. What is proteom?. DNA (Deoxyribonucleic acid). Nucleic acids: 1. DNA
Proteins and Nucleic Acids. AP Biology. Proteins. From Greek word “preteios” meaning “first place”. More than 50% of dry weight in most cells. Most structurally and functionally diverse group of biomolecules Functions: Enzymes – pepsin, polymerase, helicase Structure – keratin, collagen
Proteins & Nucleic Acids. Macromolecule #3: Proteins. C, H, O, N, sometimes S Serve the most varied purposes, including :. Collagen. Antibodies. Hemoglobin. Actin & myosin. Enzymes . Amino Acids. = building blocks of proteins
Proteins and Nucleic Acids. Biology I . Proteins. Contains nitrogen , carbon, oxygen, and hydrogen Are made up of monomers called amino acids. There are 20 amino acids Amino acids join together by peptide bonds Most proteins or amino acids end in (- ine ). Proteins.
3. Nucleic Acids, Proteins, and Enzymes. Chapter 3 Nucleic Acids, Proteins, and Enzymes. Key Concepts 3.1 Nucleic Acids Are Informational Macromolecules 3.2 Proteins Are Polymers with Important Structural and Metabolic Roles 3.3 Some Proteins Act as Enzymes to Speed up Biochemical Reactions