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6 Written Questions

6 Multiple Choice Questions

  1. tRNA.
    The type of RNA that transfers (carries) a particular amino acid to mRNA at the ribosome during protein synthesis.
  2. A section of DNA that codes for the production of a protein or a portion of a protein, thereby causing a trait.
  3. The time interval between cellular reproduction when the cell carries on normal life functions.
  4. DNA wrapped around histones (spools) forms long DNA strands into "beads on a string".
  5. The second part of protein synthesis whereby genetic information coded in messenger RNA directs the formation of a specific protein at a ribosome in the cytoplasm.
  6. Proteins that act as spools which wind up small stretches of DNA.

5 True/False Questions

  1. messenger RNAmRNA.
    The RNA that performs transcription (the first step in protein synthesis). It copies the coded message from DNA in the nucleus and carries the message into the cytoplasm.

          

  2. environmental factorsThose "nonbiological" factors that are involved in a person's surroundings such as the nature of the people who raise them, the person's friends, and the person's behavioral choices.

          

  3. transcriptionThe second part of protein synthesis whereby genetic information coded in messenger RNA directs the formation of a specific protein at a ribosome in the cytoplasm.

          

  4. centromereThe region that joins two sister chromatids.

          

  5. mitosisProteins that act as spools which wind up small stretches of DNA.

          

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