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Outline some of the symptoms of clinical depression

Including: change in appetite and weight (increase or loss); change in sleep patterns – less (insomnia) or more (hypersomnia); extreme loss of energy; observable slowness or agitation; diminished loss of int...
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Answered by Louise H. • Psychology tutor
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Annotate the following passage from C.S. Lewis' work, Perelandra.

At last I came to the cross-roads by the little Wesleyan chapel where I had to turn to the left under the beech trees. I ought to be seeing the lights from Ransom's windows by now--or was it past black-out t...
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Outline the difference between Inner and Outer Party members in George Orwell's work, 1984.

An Inner Party member has, above all things, the ability to turn off the telescreen at will, if only for short periods of time. For an Outer Party member, the constant babble of the telescreen is something t...
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State the source, substrate, products and optimum pH of one amylase, one protease, and one lipase

Amylase (Salivary amylase) Source: salivary glands in the mouth Substrate: starch Products: maltose Optimum pH: 4.6-5.2 Protease (pepsin) Source: chief cells in the stomach Substrate: proteins, polypeptide c...
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Answered by Louise H. • Biology tutor
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Explain the need for enzymes in digestion

Mechanical digestion breaks down large food particles into smaller ones, increasing the surface are to volume ratio. However, polymers present in food particles require a very long time to break down at body...
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Answered by Louise H. • Biology tutor
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