Ch. 17 Cell reproduction and differentiation

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  1. The replication of DNA occurs during the __________ phase of interphase.
    S (synthesis)
  2. Initiation of translocation begins with a tRNA binding to a __________ on mRNA.
    start codon
  3. __________ is the process by which the DNA code of a single gene is converted into a complimentary strand of mRNA.
    Transcription
  4. Following replication of chromosomes, sister chromatids are help together by a __________.
    centromere
  5. Human chromosomes are made up of DNA and proteins called __________, which help organize the DNA and give structure to the chromosomes.
    histones
  6. Short segments of DNA that contain codes for the structure of one of more proteins are __________.
    gene
  7. Alterations in DNA, called __________, create differences between individuals and populations.
    mutations
  8. The beginning of each gene in DNA is marked by the presence of a unique base sequence called the __________.
    promoter
  9. _________ is the process by which a cell becomes different from its parent or sister cell.
    Differentiation
  10. The primary transcript that results from transcription must be modified before it can be translated; nucleotide sequences that actually form the mRNA ad contain the genetic information are __________.
    exons
  11. Anticodons are located on __________.
    tRNA
  12. During mitosis, the mitotic spindle forms during __________.
    prophase
  13. Meiosis in females is not complete until __________ occurs.
    fertilization
  14. The __________ checkpoint checks to make sure the DNA was replicated correctly and that the cell is large enough.
    G2
  15. A __________ forms during cytokinesis as contractile filaments in the cell tighten.
    cleavage furrow

Card Set Information

Author:
ksizzle
ID:
322306
Filename:
Ch. 17 Cell reproduction and differentiation
Updated:
2016-08-08 23:19:10
Tags:
biology
Folders:
biology
Description:
BIO 100 chapter 17 cell reproduction and differentiation
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