NU643: Module 2 Exam
, NU643: Module 2 Exam Questions with
100% Verified Detailed Answers
dendrite - ✔✔The point of contact for receiving impulses on a neuron,
branching off from the cell body
epigenetics - ✔✔The study of how environmental factors like diet, stress and
post-natal care can change gene expression (when genes turn on or off)-without
altering DNA sequence.
neural circuit - ✔✔A network of neurons and their interconnections.
neurotransmitter - ✔✔A chemical produced by neurons that carries messages to
other neurons.
synapse - ✔✔The tiny gap between neurons, where nerve impulses are sent
from one neuron to another.
axon - ✔✔The long, fiber-like part of a neuron by which the cell sends
information to receiving neurons.
retrograde neurotransmission - ✔✔A type of neurotransmission in which
postsynaptic neurons communicate with presynaptic neurons.
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©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025.
, NU643: Module 2 Exam Questions with
100% Verified Detailed Answers
dendrite - ✔✔The point of contact for receiving impulses on a neuron,
branching off from the cell body
epigenetics - ✔✔The study of how environmental factors like diet, stress and
post-natal care can change gene expression (when genes turn on or off)-without
altering DNA sequence.
neural circuit - ✔✔A network of neurons and their interconnections.
neurotransmitter - ✔✔A chemical produced by neurons that carries messages to
other neurons.
synapse - ✔✔The tiny gap between neurons, where nerve impulses are sent
from one neuron to another.
axon - ✔✔The long, fiber-like part of a neuron by which the cell sends
information to receiving neurons.
retrograde neurotransmission - ✔✔A type of neurotransmission in which
postsynaptic neurons communicate with presynaptic neurons.
1|Page
©JOSHCLAY 2025/2026. YEAR PUBLISHED 2025.
