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#Question id: 14677
#SCPH05 I Biotechnology
The volumetric flow rate of carbon tetrachloride (CCI4) in a pipe is 50 cm3 min-1. The density of CCI4 is 1.6 g cm-3.
(i) What is the mass flow rate of CCI4?
(ii) What is the molar flow rate of CCI4 ?
TLS Online TPP Program
#Question id: 8893
#SCPH28 | Zoology
While sampling marine plankton in a lab, a student encounters large numbers of fertilized eggs. The student rears some of the eggs in the laboratory for further study and finds that the blastopore becomes the mouth. The embryo develops into a trochophore larva and eventually has a true coelom. These eggs probably belonged to a(n)
TLS Online TPP Program
#Question id: 11002
#I Life Science/ Life Sciences Group – I-V
A 30-year-old man has an ejection fraction of 0.25 and an end systolic volume of 150 ml. What is his end diastolic volume?
TLS Online TPP Program
#Question id: 2127
#SCPH06 I Botany
The fluidity of the lipid side chains in the interior of a bilayer is generally increased by:
TLS Online TPP Program
#Question id: 13065
#SCPH05 I Biotechnology
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.
Agglutination of antigens by utilising specific antibodies can only occur, if