Microbiology

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Author:
Anonymous
ID:
40349
Filename:
Microbiology
Updated:
2010-10-06 22:02:38
Tags:
Bacterial Genetic
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Description:
Section 2
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  1. Point at which the 2 DNA strands seperate at the beginning of replication
    Replication Fork
  2. In DNA the 2 strands of nucleotides twist to for a ________ _________
    Double helix
  3. The enzyme that catalyzes the incorporation of new nucleotides into the newly synthesized strands of DNA during the process of replication
    DNA Polymerase
  4. Phase of protein synthesis in which the base sequence in one gene in DNA is copied into a molecule of mRNA
    Transcription
  5. If a DNA triplet is CAT, the sequence of nucleotides in the anticodon is tRNA is ________
    CAU
  6. Process in which a single molecule of DNA is copied to form 2 identical 'daughter' strands
    Replication
  7. During protein synthesis the codons on mRNA attach to the ____________
    Ribosome
  8. 3 nucleotides in tRNA that are complementary to a codon
    Anticodon
  9. The DNA triplet AGA codes for the amino acid __________
    Serine
  10. If the sequence of nuceotides in a codon is CUC, the anticodon is _______
    GAG
  11. UAA, UAG, and UGA are __________ codons
    Stop
  12. All viable cells contain nuclear material consisting of _____ _______
    Deoxyribonucleic Acid (DNA)
  13. During DNA replication the new nucleotides are added on from the ________ to the 3' direction
    Five
  14. A nucleotide consists of a phosphate a 5 carbon sugar and a ______ base
    Nitrogen
  15. The pyrimidine complementary to adenine in RNA
    uracil
  16. The triplet ATG in DNA codes this amino acid
    Tyrosine
  17. the codon AUG is the condon
    start
  18. The function of tRNA is to ______ the amino acid it carries according to the code in mRNA
    Position
  19. Number of mino acids forming proteins
    20
  20. The coding unit in mRNA
    Codon
  21. The coding unit in DNA (3 bases) codes for one ___________ ___________
    Amino Acid
  22. The 'm' in mRNA stands for ________
    Messenger
  23. The number of nucleotides that form a coding unit in RNA
    Three
  24. Sugar in RNA nucleotide
    Ribose
  25. Segment of DNA that codes for 1 protein
    Gene
  26. Number of gydrogen bonds occurring between adenine and thymine
    2
  27. Adenine and guanine are double ringed structures called ______
    Purines
  28. 3 types of DNA replication in which each new molecule of DNA consists of 1 original strand and 1 new strand
    Semiconservative
  29. RNA is the abbreviation for ______ ______
    Rubonucleic Acid
  30. 5 or 6 ribosomes attached to 1 mRNA for a _________
    Polyribosome
  31. 5 carbon occurring in DNA
    Deoxyribose
  32. The nitrogen bases are in DNA are held together by weak _________ bonds
    Hydrogen

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