Match the CORRECT combination of the phloem elements with its function.

            PHLOEM ELEMENTS                                                  FUNCTIONS

P) sieve tube elements                                    i) for protection and strengthening of the tissue

Q) sieve cells                                                  ii) store and release food molecules

R) companion cells                                        iii) food translocation in angiosperm

S) Phloem parenchyma cells                          iv) latex containing cells

T) Phloem fibers and sclereids                       v) help in flow of solute and show high, metabolic activity

U) laticifers                                                     vi) food translocation on gymnosperm

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#Question id: 2897

#Unit 2. Cellular Organization

The transcription of most protein coding genes in mammals (~70 percent) occurs at a lower rate than at TATA box–containing and initiator-containing promoters and begins at any of several alternative start sites within regions of about 100–1000 bp that have an unusually high frequency of CG sequences. Which one of the following best explains it?

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#Question id: 11373

#Unit 9. Diversity of Life Forms

Which of the following obtain energy by oxidizing inorganic substances; energy that is used, in part, to fix CO2?

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#Question id: 18658

#Unit 13. Methods in Biology

when the separation of protein takes place based on their isoelectric point, the technique known as 

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#Question id: 23880

#Unit 13. Methods in Biology

Which of the following tools of recombinant DNA technology is incorrectly paired with its use?

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#Question id: 11825

#Unit 6. System Physiology – Plant

Ethylene receptors are localized into the______