sieve cells and sieve tubes differences

Difference between Sieve Tubes and Sieve Cells

Phloem is a permanent vascular tissue system associated with the conduction of food materials in plants. It is a complex tissue composed of more than one type of cells namely sieve elements, companion cells, phloem fibres and phloem parenchyma. Among these cells, the sieve elements are the most specialized cells […]

Continue Reading
Free Net Life Science Study Materials

Life Sciences JRF NET Model Question Paper for June (10)

(1). During glycogen metabolism, the glycogen in the cell is first breakdown to glucose-1-phosphate by the enzyme glycogen phosphorylase. This reaction is a______ a.       Glycolysis reaction b.      Hydrolysis reaction c.       Phosphorolysis reaction d.      Glucolysis reaction Learn more: MCQ on Carbohydrates (3 sets) (2). Which of the following genes is activated […]

Continue Reading