The 5' methyl guanosine caps added during RNA chain elongation performs what function?

1. prevents degradation by nucleases 

2. are recognized by protein factors

3. are used to identify the type of RNA

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#Question id: 2346

#SCPH28 | Zoology

The removal of waste products from the amoeba is an example of

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#Question id: 2347

#SCPH28 | Zoology

Diffusion of molecules across biological membranes that requires channels is called

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#Question id: 2348

#SCPH28 | Zoology

The sodium-potassium pump functions to

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#Question id: 2349

#SCPH28 | Zoology

A liver cell would detect the presence of insulin by

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#Question id: 2350

#SCPH28 | Zoology

The maximum size of cells is _____

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#Question id: 2351

#SCPH28 | Zoology

A ______ electron microscope provides a three-dimensional view of the surface of an object.