Flycatcher birds that migrate from Africa to Europe feed their nestlings mostly with moth caterpillars. The data presented show the mean dates of egg laying, hatching, and fledging of flycatcher young, and the 1980 and 2000 peak mass of caterpillars.

The most likely cause for the shift in caterpillar peak mass is

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#Question id: 12940

#SCPH28 | Zoology

 Choose the correct order for the steps involve in Protein engineering.

1. Protein modelling

2. Protein crystallography

3. Site-directed mutations

4. Comparison with entries in databases of known proteins.

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#Question id: 3891

#SCPH05 I Biotechnology

Protein amino acid side chains can hydrogen bond in the major groove of DNA, and discriminate between each of the four possible base pairs.  In which one of the following groups of amino acids can all three members potentially be used in such DNA-protein recognition?

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#Question id: 10976

#SCPH28 | Zoology

In a resting adult, the typical ventricular ejection fraction has what value?

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#Question id: 415

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

Which one of the following compounds does not have a large negative free energy of hydrolysis?

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#Question id: 378

#SCPH05 I Biotechnology

Which of the following statements about buffers is true?