UA PSIO 201 - DNA (2 pages)

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Terms for the understanding of the nucleus and the function of DNA for protein synthesis

Lecture number:
Lecture Note
University of Arizona
Psio 201 - Human Anatomy and Physiology I
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PSIO 201 1st Edition Lecture 6 Outline of Last Lecture I Cellular Level of Organization Cell Cytoplasm Outline of Current Lecture II Cellular Level of Organization IV V The Nucleus and Regulation of Gene Expression III The Nucleus IV Chromosome Structure V DNA Current Lecture Nucleus contains the genetic material that determines how many proteins will be made Chromatin includes DNA found in the nucleus that is surrounded by nuclear pores where the gene encodes for protein Chromosome found in the nucleic acid contains histones and proteins Chromatin cells tightly coil to form chromatid which is the make up of a chromosome 3 Constituents make DNA 1 Sugar deoxyribose 2 Phosphate group 3 One of the nitrogenous bases Adenine Guanine Cytosine and Thymine Base Sugar nucleoside Nucleoside phosphate nucleotide Nucleic acid is a sequence of nucleotides DNA is sequences from 5 to 3 Phosphate 5 to deoxyribose 3 Complimentary pairing of nucleotides ensures that each strand permits regeneration of the other Double Helix is the storage of information and the creator of protein sequences A Codon 3 bases that represent one of the 20 different amino acids e g A T C Gene series of codons that represent a single polypeptide protein Nucleic acid sugar phosphate base Chromatid protein histones Chromosome condensed chromatid These notes represent a detailed interpretation of the professor s lecture GradeBuddy is best Used as a supplement to your own notes not as a substitute

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