Practice Questions

TLS Online TPP Program

#Question id: 11130

Which of the following electrical events is characteristic of inhibitory synaptic interactions?

#SCPH28 | Zoology

A neurotransmitter agent that selectively opens ligand-gated chloride channels is the basis for an inhibitory postsynaptic potential
Because the Nernst potential for chloride is about −70 mV, chloride ions tend to move out of the cell along its electrochemical gradient
A neurotransmitter that selectively opens potassium channels will allow potassium to move into the cell
An increase in the extracellular sodium concentration usually leads directly to an inhibitory postsynaptic potential

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TLS Online TPP Program

#Question id: 10242

#SCPH06 I Botany

Ecologist Robert Macarthur observed that five species of similar warblers coexisted on spruce trees because they

TLS Online TPP Program

#Question id: 14699

#SCPH06 I Botany

If A and B are arbitrary events, then

TLS Online TPP Program

#Question id: 4945

#SCPH06 I Botany

Which is a defining characteristic that all protobionts had in common?

TLS Online TPP Program

#Question id: 4719

#SCPH06 I Botany

When a trait exhibits complete co-dominance rather than complete dominance, a cross between heterozygote results deviation of following;

TLS Online TPP Program

#Question id: 18216

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

Which of the following is not correct about FASTA?