What Happens If Twice as Many Inhibitory Postsynaptic Potentials (IPSPs)

question 41

Multiple Choice

What happens if twice as many inhibitory postsynaptic potentials (IPSPs) as excitatory postsynaptic potentials (EPSPs) arrive in close proximity at a postsynaptic neuron?

• A) A stronger action potential results.
• B) A weaker action potential results.
• C) No action potential results.
• D) Many action potentials result.

---

Definitions:

Dominant Alleles

Dominant alleles are versions of genes that produce a dominant trait which will express itself in the phenotype, even when only one copy is present.

Monozygotic Twins

Identical twins that originate from a single fertilized egg, splitting and developing into two embryos.

Dizygotic Twins

Also known as fraternal twins, are two siblings born at the same time as a result of two different eggs being fertilized by two different sperm cells, sharing 50% of their DNA.

Zygote

The initial cell formed when a sperm fertilizes an egg, representing the earliest stage of embryonic development.