Study

DNA, RNA, Protein Synthesis and Gene Regulation

  •   0%
  •  0     0     0

  • True or False: Mutations can create genetic diversity and in some cases are beneficial.
    True
  • What molecules is DNA “rewritten” into during transcription?
    mRNA
  • What nucleotide bonds with C?
    G
  • What is Chargaff’s rule?
    A=T & C=G
  • In order for protein synthesis to occur, mRNA must migrate from the nucleus to
    the ribosome
  • DNA replication creates ___________________.
    2 semi-conservative DNA strands
  • What are the three types of RNA?
    mRNA, tRNA, rRNA
  • What nucleotide bonds with T?
    A
  • Instead of Thymine (T), RNA uses ________.
    (U) Uracil
  • Put these in order from transcription to translation: RNA, Proteins, DNA
    DNA -> RNA -> Protein
  • The ______ of a protein determines the function!
    shape
  • A mutation is _______________.
    a change in DNA
  • What is cell differentiation?
    Giving a cell a specific job within the body
  • What nucleotide bonds with G?
    C
  • List 3 reasons our cells use apoptosis.
    Examples: No longer needed, injured, damaged, toxins, age, no longer functioning correctly
  • DNA replication is the process of
    making an exact copy of DNA for cell division
  • What are the three parts of a nucleotide?
    Sugar, Phosphate, Nitrogen Base
  • Proteins help DNA coil up to form ________.
    Chromosomes
  • Apoptosis is ________________.
    Programmed cell death
  • What is morphogenesis?
    The process of a cell morphing into a specialized cell during cell differentiation
  • What bonds hold together DNA bases?
    Hydrogen
  • The scientists credited with establishing the structure of DNA
    Watson & Crick
  • What does rRNA do?
    Builds a ribosome
  • What is translation?
    Transferring mRNA to the ribosome to make a protein
  • What nuleotide pairs with A?
    T
  • What shape is DNA?
    A double helix
  • List 2 functions of DNA.
    Possible answers: Information storage, Replication, Transcription/Translation, and Inheritance
  • What is the function of DNA?
    store and transmit genetic information and regulate the production proteins
  • What does tRNA do?
    transfers proteins to the protein chain