What are Sugar Derivatives? Organisms contain a variety of sugar derivatives. Sugar derivatives are modified monosaccharides. In sugar derivatives, the monosaccharide molecules that have been modified with substituents other than hydroxyl groups such as amino groups, acid groups, phosphate groups, acetate groups etc. Natural sugar derivatives have important biological functions. Majority of sugar derivatives are […]
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Polysaccharides: Structure, Classification and Examples (Biochemistry Lecture Notes)
What are Polysaccharides? Carbohydrates with more than 20 monosaccharide units are called polysaccharides. Majority of carbohydrates in nature occurs as polysaccharides. Usually polysaccharides have hundreds or thousands of monosaccharide units. Monosaccharide units are joined by characteristic glycosidic bonds. In this post we will discuss the Structure, Classification and Examples of Polysaccharides. Table of Contents $. […]
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Anatomy of Cycas Leaflet and Rachis
Part – 4: Anatomy of Leaflet and Rachis <<< Part 3 — Part 5 >>> Anatomy of Cycas Leaflet Ø Cycas leaflet is with distinct midrib and lateral wings. Mid-rib is swollen and the wings are flattened. Margins of the leaves are revolute (curved downward) in Cycas revoluta. Ø Anatomically, the leaf is differentiated […]
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Anatomy of Cycas Root and Coralloid Root
Part – 3: Anatomy of Normal and Coralloid Root <<< Part 2 — Part 4 >>> Cycas Anatomy of Tap-Root Ø The primary anatomical structure of Cycas tap-root resemble that of dicot root Ø The T.S. is circular in outline. Ø Anatomically the tap-root is differentiated into FOUR regions. (1). Epiblema (Epidermis) Ø The […]
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Anatomy of Cycas Stem: Primary and Secondary Structure
Part – 2: Anatomy of Cycas <<< Part 1 —- Part 3 >>> Anatomy of Cycas Cycas Stem Primary Structure Ø Anatomy of the stem of Cycas resembles that of dicot plants. Ø The T.S. of the stem is irregular in outline due to the presence of persistent leaf bases and leaf scars. […]
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