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Genetics Vocabulary Match Answers

컨트롤 버튼이 '내비게이션' 모드로 변경되었습니다.
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  • The density at which a molecule (like DNA) settles in a gradient, used to separate molecules by mass or composition.


    Buoyant density
  • Segments of DNA that are replicated from a single origin of replication.


    Replicons
  • A common DNA or RNA sequence pattern found at functional sites, derived from comparing many sequences.


    Consensus sequence
  • The origin of replication in E. coli that controls the start of DNA replication.


    OriC
  • Short 9-base repeats in OriC where DnaA proteins bind to begin replication.


    9-mer
  • Short 13-base AT-rich repeats in OriC that unwind to form the replication bubble.


    13-mer
  • Symbol meaning purine (A or G) in a nucleotide sequence.


    R
  • Symbol meaning pyrimidine (C or T) in a nucleotide sequence.


    Y
  • Symbol meaning any nucleotide in a sequence.


    N
  • Each new DNA double helix has one original strand and one newly made strand.


    Semiconservative replication
  • The original DNA stays intact and an entirely new double helix is made.


    Conservative replication
  • New DNA is built in patches mixed with old DNA along both strands.


    Dispersive replication
  • The biological process of copying DNA before cell division.


    DNA replication
  • An RNA base that replaces thymine and pairs with adenine.


    Uracil
  • The opposite 5'–3' directions of the two DNA strands in a double helix.


    Antiparallel orientation
  • The sugar in DNA, missing an –OH at the 2' carbon.


    Deoxyribose
  • The sugar in RNA, with an –OH at the 2' carbon.


    Ribose
  • The covalent bonds linking nucleotides together in DNA or RNA.


    Phosphodiester bonds
  • The typical clockwise spiral structure of DNA.


    Right-handed helix