Which portion of a phospholipid molecule would be facing the environment outside of the cell?

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#Question id: 6989

#SCPH06 I Botany

Adult human bone:

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#Question id: 846

#SCPH05 I Biotechnology

The maintenance of the steady-state collection of active cellular proteins required under a particular set of conditions, called ______.

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#Question id: 13062

#SCPH01 Biochemistry

Precision will be reduced, but yield will be increased

Optimisation of a PCR reaction is often a compromise between the competing demands for precision, efficiency and yield. Although the specific effects may vary, generally, increasing the annealing temperature will increase non-specific primer binding and reduce precision. Increasing the length of the elongation phase will reduce the proportion of incomplete newly-synthesised strands and therefore increase yield. In this case, the potential effect on efficiency is unclear. Increasing the elongation phase would increase the reaction time, but the time taken to ramp down to a lower annealing temperature would be reduced.

A restriction enzyme cleaves a circular plasmid vector to produce fragments : 1kb, 0.3kb, 2kb, 1kb and 0.3kb. How many bands will be visible on agarose gel?

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#Question id: 18624

#SCPH06 I Botany

In GFP protein oxidation of tripeptide sequence gives fluorescence the tripeptide sequence made up of

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#Question id: 1398

#SCPH28 | Zoology

Which of the following properties is (are) characteristic of a benign tumor?

a. well differentiated              b. localized to tissue of origin             c. metastatic               

d. promotes angiogenesis        e. surrounded by a fibrous capsule