Auxotrohic bacteria plating on different medium, it is observed that colonies grow on minimal plus threonine only, no colony on minimal plus leucine and no colonies grow on minimal medium cystein only. What are the actual genotypes of auxotroph?

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#Question id: 11203

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

Which of the following statements about action potentials is correct?

TLS Online TPP Program

#Question id: 11204

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

Why do Na+ ions enter the cell when voltage-gated Na+ channels are opened in neurons?

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#Question id: 11205

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

What would probably happen if a long neuron had one continuous myelin sheath down the length of the axon with no nodes of Ranvier?

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#Question id: 11206

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

Tetrodotoxin blocks voltage-gated sodium channels, and ouabain blocks sodium-potassium pumps. If you added both tetrodotoxin and ouabain to a solution containing neural tissue, what responses would you expect?

TLS Online TPP Program

#Question id: 11265

#SCPH06 I Botany

Approximately how many kg of carnivore production can be supported by a field plot containing 2000 kg of plant material?

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#Question id: 11265

#SCPH28 | Zoology

Approximately how many kg of carnivore production can be supported by a field plot containing 2000 kg of plant material?