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#Question id: 10562


The direction and rate of water flow across a membrane are determined by

#I Life Science/ Life Sciences Group – I-V
  1. the sum of the concentration gradient of water and by the pressure gradient
  2. the movement of other small uncharged substances
  3. the concentration drops off as the distance, x, from the origin increases
  4. Solely by the concentration gradient of water or by the pressure gradient
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#Question id: 664

#SCPH06 I Botany

Which is evidence that structures for proteins determined by X-ray crystallography represent the structures in solution?

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#Question id: 5578

#SCPH01 Biochemistry

The phase change of an apical meristem from the juvenile to the mature vegetative phase is often revealed by ________.

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#Question id: 49

#SCPH28 | Zoology

The equilibrium constant, Keq, for the following reaction is 2 × 105 M: If the measured cellular concentrations are [ATP] = 5 mM, [ADP] = 0.5 mM, and [Pi] = 5 mM, on the basis of the above information calculate the Keq in living cells?

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#Question id: 10527

#I Life Science/ Life Sciences Group – I-V

Based on their feeding behaviors, three major types of insect herbivores can be distinguished, which evades the constitutive defense;

A) Phloem feeders                                                                    i) caterpillars, grasshoppers, and beetles

B) Cell-content feeders                                                            ii) aphids and whiteflies

C) Chewing insects                                                                    iii) mites and thrips

Correctly match the feeding behaviour with its insects;

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#Question id: 4909

#SCPH12 I Genetics

A pattern of transmission where all offspring have the same phenotype as their mother is consistent with which type of non-Mendelian inheritance?