What is the standard free-energy change, ΔG°, under physiological conditions (E. coli grows in the human gut, at 37 °C) for the following reaction? (Keq = 7.8 × 10^2)

Glucose + ATP → glucose 6-phosphate + ADP

#Question id: 11008

#XL - T Zoology

Which of the following events is associated with the first heart sound?

#Question id: 11009

#XL - T Zoology

What is the normal total delay of the cardiac impulse in the A-V node plus bundle?

#Question id: 11010

#XL - T Zoology

Which of the following best explains how sympathetic stimulation affects the heart?

#Question id: 11047

#XL - R Botany

As plants absorb water from the soil, they deplete the soil of water near the surface of the roots, This depletion due to

#Question id: 11048

#XL - R Botany

In vascular plants, phloem is the living tissue that transports the soluble organic compound made during photosynthesis in the form of sugar, The phloem tissue is made up of cells called phloem elements. Which of the following given phloem elements are directly involved in translocation?

#Question id: 11049

#XL - R Botany

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