PSY 2301 Lecture 6: Genes, Proteins, and Intro to Neural Communications

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Lecture 6 genes/proteins & intro to neural communication. Axon dies schwan cells shrink and divide, forming a path neuron sends axon sprouts one becomes new axon schwann cells cover new axon. Nucleus: site of gene transcription, chromosomes, genes and proteins. Chromosomes are very long molecules of dna. Why is it important to know about dna structure and base pairs: dna is self-replicating. Rip it apart and you can easily build 2 new identical ones. What is the main function of genes: code for proteins. What is the second function of genes: control other genes (turning them on and off) For genes to affect behaviour (or anything) they must make a protein that affects behaviour. We are interested in that process: genes behaviour: but first: genes proteins (the behaviour part will come later) Genes are transcribed in the nucleus and translated in the endoplasmic reticulum: transcribe: a copy is made, translate: move from one place to another.

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