Which of the following correctly pairs a protist with one of its characteristics?

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#Question id: 8967

#Unit 9. Diversity of Life Forms

Which of the following organisms are deuterostomes?

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#Question id: 13063

#Unit 13. Methods in Biology

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.

Which of the statement is worng? Aminopetrin………s

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#Question id: 1487

#Unit 4. Cell Communication and Cell Signaling

Two BH3-only proteins, are transcriptionally induced by the p53 protein, termed as:

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#Question id: 19695

#Unit 13. Methods in Biology

Which of the following leads are used to record ECG by using two active electrodes?

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#Question id: 15523

#Unit 4. Cell Communication and Cell Signaling

The appearance of ϒδ thymocytes and αβ thymocytes during mouse fetal development. Fetal animals generate

a) more αβ T-cells than ϒδ T-cells

b) the proportion of ϒδ T-cells generated drops off dramatically after birth

c) the proportion of αβ T-cells generated drops off dramatically after birth

d) more ϒδ T-cells than αβ T cells