Which of the following is a correct Match of the stomatal opening and closing mechanism;

               COLUMN A                                                                    COLUMN B

 

P- Opening of Stomata                        i) Chloride anions are taken up into the guard cells from the apoplast

Q- Closing of stomata                         ii) The malate content of guard cells decreases

iii) starch content in guard cells increases during end of the

iv) Acidification of the lumen stimulates zeaxanthin formation which activates the H+ ATPase causing

v) Accumulation of solute in vacuole such as sucrose and malate leads to

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#Question id: 8692

#Unit 9. Diversity of Life Forms

Which of the following statements is accurate with regard to a phylogeny, as represented by a phylogenetic tree?

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#Question id: 28382

#Unit 5. Developmental Biology

Antennapedia(Antp) and Ultrabithorax (Ubx) are the two homeotic gene, which is required for the identity of the segments such as?

a) Antennapedia(Antp) is required for the identity of the third thoracic segment 

b) Antennapedia(Antp) is required for the identity of the second thoracic segment

c) Ultrabithorax (Ubx) is required for the identity of the third thoracic segment

d) Ultrabithorax (Ubx) is required for the identity of the second thoracic segment

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#Question id: 27641

#Unit 1. Molecules and their Interaction Relevant to Biology

An a-helix composed of d-amino acids which is

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#Question id: 1694

#Unit 4. Cell Communication and Cell Signaling

Antigen processing for presentation by MHC class II molecules involves:

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#Question id: 12137

#Unit 10. Ecological Principles

Dwarf mistletoes are flowering plants that grow on certain forest trees. They obtain nutrients and water from the vascular tissues of the trees. The trees derive no known benefits from the dwarf mistletoes. Which of the following best describes the interactions between dwarf mistletoes and trees?