Which of the following is incorrect about independent assortment?

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#Question id: 9202

#SCPH06 I Botany

Which of the following statements regarding extinction is accurate?

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#Question id: 13064

#SCPH06 I Botany

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.

Which of the following techniques doesn’t involve use of a secondary antibody?

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#Question id: 18072

#SCPH06 I Botany

First invertebrates insects fossil appeared in which of the following geological ages?

a) Mesozoic b) Jurassic

c) Paleozoic d) Devonian

e) Permian f) Pennsylvanian

Which of the following combinations give the best answer?

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#Question id: 2943

#SCPH28 | Zoology

Which of the following is NOT a mechanism by which G1/S cyclin-CDKs ensure progression through the cell cycle?

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#Question id: 1082

#SCPH28 | Zoology

Which of the following is a type of signaling in which a cells respond to substrate that they themselves release ?