Dna biology definition

    • [DOC File]Chapter 11: DNA: The Molecule of Heredity

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      Definition: RNA is made from 1 gene in DNA. The type of RNA made is called mRNA (messenger RNA) because it sends a message from DNA to the cytoplasm. Transcription: begins at the promoter region. Unzip one gene in DNA done by RNA Polymerase. Match up bases to one side of a gene in DNA. mRNA detaches from the DNA when reaches terminator region.

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    • [DOC File]Gene Expression - The Biology Corner

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      Biology in general and cell biology in particular depend heavily on both chemistry and physics. ... DNA RNA mRNA tRNA rRNA Monomers Nucleotides (4 different basic nucleotides for DNA and RNA, respectively) 3 chemical groups a pentose DNA: -D-deoxyribose RNA: -D-ribose a phosphate group a nitrogen containing base (purine and pyrimidine) DNA: A ...

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    • [DOC File]California State University, Northridge

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      BIOLOGY I LAB – DNA, RNA, & Protein Synthesis 12-11 NOVAK. Prelab. Most of the following introduction questions can be found in chapter 9&10, a dictionary and using Google. Match the following vocabulary words in bold all capitals and prefixes to the definition below by putting the capitalize vocabulary word into its blank below.

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    • [DOC File]Cell Biology Lecture Notes - Seton Hall University

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      Choose the one definition from the list at the right (A-E) which best describes the activity of enzymes (37-41). 37. DNA polymerase A. Synthesizes DNA from a DNA template, requires primer. 38. Topoisomerase B. Joins together Okazaki fragments on lagging strands. 39. DNA ligase C. Nicks and rejoins DNA to relieve "knotting" during replication . 40.

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    • [DOC File]BIOLOGY I LAB - GENETICS 1-08 NOVAK

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      Conclusions: A gene is a segment of DNA that specifies the sequence of amino acids in a polypeptide of a protein. (this is the definition of a gene) Gene Expression. Three Important Points to Remember. Chromosomes are made of DNA . Segments of DNA code for a protein . Protein in turn, relates to a trait (eye color, enzymes, hormones..)

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    • DNA Definition: Shape, Replication, and Mutation

      Definition: RNA is made from 1 gene in DNA. The type of RNA made is called mRNA (messenger RNA) because it sends a message from DNA to the cytoplasm. Transcription . Unzip one gene in DNA . Match up bases to one side of a gene in DNA. mRNA detaches from the DNA. mRNA moves out of the nucleus and into the cytoplasm. DNA: GAG AAC TAG TAC. RNA ...

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    • [DOC File]Chapter 11: DNA: The Molecule of Heredity

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      DNA QUESTION 1982: L. PETERSON/AP BIOLOGY. A portion of a specific DNA molecule consists of the following sequence of . nucleotide triplets: TAC GAA CTT CGG TCC. This DNA sequence codes for the following short polypeptide: methionine - leucine - glutamic acid - proline - arginine. Describe the steps in the synthesis of this polypeptide.

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