Nucleic Acids Nucleic Acid Basics Contain instructions to build proteins 2 types: – DNA – RNA Composed of smaller units called nucleotides – Monomer:

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Presentation transcript:

Nucleic Acids

Nucleic Acid Basics Contain instructions to build proteins 2 types: – DNA – RNA Composed of smaller units called nucleotides – Monomer: Nucleotide – Polymer: Nucleic acid

Nucleotide Structure Three parts – Sugar molecule – Phosphate group – Nitrogen base (A, T, C, or G) Nucleotides combine to make nucleic acids Instructions for cell to make proteins

Monomers link to make polymers! Nucleic Acids Monomer = Nucleotide Polymer = Nucleic acid How many nucleotides are pictured? Six What are the chain of nucleotides called? Nucleic acid

DNA Double Helix: 2 chains of nucleotides Four DNA bases: Adenine, thymine, cytosine, guanine – A pairs with T – C pairs with G DNA stores the info required to make a protein Gene: section of DNA that codes for a protein T C G A C

Predict the nucleotides to fill in this DNA chain

RNA Single chain of nucleotides RNA bases: Adenine, uracil, cytosine, guanine Transfer DNA information to help create protein U A C U G

Kobe Kuiz 1)Name the monomer of nucleic acids. 2)How are the four nitrogen bases of DNA abbreviated? 3)What does the phosphate molecule of a nucleotide bond with? 4)If the DNA nitrogen bases were TACCGGAT, how would the attached DNA strand read? 5)How are DNA and RNA different?