What are Enzymes? There are thousands of chemical reactions in a living system. The chemical reactions in the cell are catalyzed by the biological catalysts called enzymes. Almost all enzymes are highly specialized proteins. (Exception: Ribozymes –Ribozymes are RNA with catalytic activity). The current post we will discuss the Characteristics […]
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Structure of Proteins (Biochemistry Lecture Notes)
Protein Structure Learning objectives Structure of Proteins: Protein Structure: Primary Structure, Secondary Structure (Alpha Helix, Beta Plates, Beta Turns), Tertiary Structure, Quaternary Structure, Bonds Stabilizing different Protein Structures. Protein Structure Ø Proteins are the polymers of amino acids. Individual amino acids (residues) are joined by peptide bonds to form the […]
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Economic Importance of Gymnosperms
The Gymnosperms are with high economic importance to mankind. For easy understanding, the economic importance of Gymnosperms can be categorized in the following heads: Economic Importance of Gymnosperms Food Value Medicinal Value Timber Value Source of Oil Industrial Value Ornamental Value Other Uses (1). Food Value Ø Cycads are a […]
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Anomalous Secondary Growth in Dracaena
Secondary thickening in monocot plants is a rare phenomenon that occurs in only a few species, such as Dracaena, Yucca, and Agave. Unlike most monocots, which exhibit limited or no secondary growth, these plants have the ability to produce new vascular tissues and increase their stem girth over time. Interestingly, […]
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Glossopteridales and Glossopteris- General Characteristics
Glossopteridales and Glossopteris Ø Glossopteridales included an extinct group of seed plants (Gymnosperms). Ø They were originated during the Permian period on the Gondwana Continent. Ø They became the dominant vegetation in the Permian period. Ø They extinct completely by the end of the Triassic period. Ø The order name […]
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