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. […]
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 […]
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 […]
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. […]
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 […]
Dear Students, Welcome to Immunology MCQ-04. This MCQ set consists of Advanced (Post Graduate Level) Immunology and Defense System Multiple Choice Questions with Answer Key. All these questions were taken from the previous year question papers of CSIR JRF NET Life Sciences Examination. These questions can be used for the […]
Dear Students, Welcome to MCQ on Microbiology CSIR NET Questions. All these questions were taken from the previous year question papers of CSIR JRF NET Life Sciences Examination. These questions can be used for the preparation of CSIR JRF NET, ICMR JRF, DBT BET JRF, GATE and other University Ph.D […]
Dear Students, Welcome to Evolution MCQ-09 (CSIR NET Questions on Evolution). This MCQ set consists of Advanced (PG Level) Evolution / Phylogeny / Phylogenetics Multiple Choice Questions taken from the previous year question papers of CSIR NET Life Sciences Examination. These questions can be used for the preparation of CSIR […]
Dear Students, Welcome to Evolution MCQ-08. This MCQ set consists of Advanced (PG Level) Evolution / Phylogeny / Phylogenetics Multiple Choice Questions taken from the previous year question papers of CSIR NET Life Sciences Examination. These questions can be used for the preparation of CSIR NET, ICMR JRF, DBT BET […]