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Review DNA/RNA Quiz 3

Review DNA/RNA Quiz 3. What is the name for the process in which DNA makes an exact copy of itself? _______________ What is the process called by which RNA is made from DNA? ______________________ What type of RNA takes the DNA code message out to the ribosomes ? ____________

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Review DNA/RNA Quiz 3

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  1. Review DNA/RNA Quiz 3 • What is the name for the process in which DNA makes an exact copy of itself? _______________ • What is the process called by which RNA is made from DNA? ______________________ • What type of RNA takes the DNA code message out to the ribosomes? ____________ • What type of RNA carries the amino acids to the ribosomes? • A string of amino acids hood together make a ____________.

  2. DNA Language • “words” are triplets • Different proteins are produced by • Order of amino acids (AA) • Number of AA • Kinds of AA strung together • Each triplet is a coding unit for an Amino Acid -codons mRNA -anticodons  tRNA

  3. Mutation • Glutamic Acid in hemoglobin produces normal red blood cells [RBC] • If switched to Valine [GGC]  sickle cell shape • Sickle Cell Anemia caused by “1” different AA in hemoglobin protein chain. • Produces abnormal hemoglobin abnormal blood cells • Causes: pain, weakness, even death (found in African American

  4. General Terms • Chromosomes- structures in the nucleus that contain DNA • Genes – segments along a DNA molecule which codes for specific protein • DNA – nucleic acid which contains the genetic code • Genetic code – the 64 different combinations of 3 nitrogen bases which form language of heredity. • Replication – DNA makes copy of itself • Transcription – mRNA being made from DNA strand

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