Choose the One Most Appropriate Answer for Each.​

question 4

Multiple Choice

Choose the one most appropriate answer for each.​
-transcriptional control

• A)​influences the amount and kinds of mRNA assembled from structural gene
• B)​splicing, capping, and adding a poly-A tail
• C)​nuclear envelope selectively regulates passage of transcripts
• D)​phosphorylation of translated protein
• E)​dosage compensation

---

Definitions:

Neurotransmitters

Chemicals released by nerve cells to transmit signals across a synapse to another nerve cell, muscle cell, or gland cell.

Synaptic Cleft

Space between the presynaptic and the postsynaptic membranes.

Postsynaptic Membrane

The part of the cell membrane of a neuron that is on the receiving end of a synapse, where neurotransmitter receptors are located.

Excitatory Postsynaptic Potential

A temporary increase in synaptic potential that makes a post-synaptic neuron more likely to generate an action potential.