The Cell Lecture 3

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  • Created by: saraht83
  • Created on: 29-04-16 10:45

1. What are histones?

  • proteins, compact chromosomal DNA, provide energy
  • polynucleotides, compact chromosomal RNA, provide energy
  • polynucleotides, compact chromosomal DNA, provide energy
  • proteins, compact chromosomal RNA, provide energy
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2. What is a nucleosome?

  • basic repeating structural and functional unit of DNA
  • basic repeating structural and functional unit of centromere
  • basic repeating structural and functional unit of chromatin
  • basic repeating structural and functional unit of chromosomes

3. What are the functions of chromatin?

  • package DNA, send DNA to nucleus, control gene expression + DNA synthesis
  • package DNA, strengthen DNA, control gene expression + DNA replication
  • package DNA, strengthen DNA, control DNA expression + DNA synthesis
  • package DNA, strengthen DNA, control DNA expression + DNA replication

4. Prokaryotes divide by...

  • mitosis
  • meiosis
  • fission
  • fusion

5. Cytokinesis

  • separates one cell into two non-identical cells
  • separates one cell into three
  • separates one cell into two
  • separates one cell into four

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