Ptosis (droopy eyelid) may be inherited as a dominant human trait. Among 30 people who are heterozygous for the ptosis allele, 10 have ptosis and 20 have normal eyelids. What is the penetrance for ptosis?

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#Question id: 782

#SCPH06 I Botany

Which of the following experimental requirements makes an siRNA approach unsuitable for determining the consequence of silencing a gene of interest in an established cell line?

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#Question id: 1083

#SCPH01 Biochemistry

 When a neuron responds to a particular neurotransmitter by opening gated ion channels, the neurotransmitter is serving as which part of the signal pathway?

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#Question id: 14286

#SCPH05 I Biotechnology

 When a liquid of density 1200kg/m3 and viscosity 0.01 kg m^-1s^-1 flows through a 1 cm ID pipe at 0.2m/s, the flow is referred as a 

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#Question id: 8909

#SCPH06 I Botany

Which of the following terms or structures is properly associated only with animals?

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#Question id: 2102

#I Life Science/ Life Sciences Group – I-V

In which of the following environments would there be the greatest need for osmoregulation?