The polymer trapping model explains that, Plasmodesmata between the  Bundle sheath cell  and intermediary cells must be smaller that allows only selective sugar to diffuse from this Plasmodesmata such as;

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#Question id: 24231

#Unit 4. Cell Communication and Cell Signaling

Match the following classes of classical cadherins with their functions.

 

a. E-cadherin      1.present on many types of epithelial cells

b. N-cadherin      2.present on nerve, muscle and lens cells

c. P-cadherin       3.present on cells in the placenta & epidermis

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#Question id: 12697

#Unit 7. System Physiology – Animal

The following test results were obtained: urine flow rate = 2.0 ml/min; urine inulin concentration = 60 mg/ml; plasma inulin concentration = 2 mg/ml; urine potassium concentration = 20 μmol/ml; plasma potassium concentration = 4.0 μmol/ml; urine osmolarity = 150 mOsm/L; and plasma osmolarity = 300 mOsm/L. What is the approximate GFR?

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#Question id: 10318

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following phospholipase generates lysophospholipids?

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#Question id: 27381

#Unit 1. Molecules and their Interaction Relevant to Biology

Size of atom or atomic radii can be estimated by

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#Question id: 11378

#Unit 10. Ecological Principles

Which of the following set of conditions will qualify a species to be considered as critical endangered (EN) as per IUCN criteria?