Chapter 2-3 Review Packet
Terms
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- Another name of cell division
- cell cycle
- 3 Stages of the cell cycle
- Interphase Mitosis Cytokenisis
- What stage takes the most time
- Interphase
- What three events happen during interphase?
- Growth- Cell grows to be normal sized DNA Replication- a DNA is replicated for division Preparation for Mitosis- Cell is preparing for division
- What divides during mitosis
- The nucleus
- How many chromosomes in a human body cell?
- 46
- How many chromosomes are in a human reproductive cell?
- 23 in sperm 23 in egg
- What is a karyotype used for
- Identifying genders xx- female xy- male
- What is cytokinesis
- the division of the cell
- Who is Rosalind Franklin
- She used x-ray diffraction to get information on the DNA structure
- What did Watson and Crick do?
- Created a 3-D Model of the DNA Molecule using Franklin's research
- What is the shape of a DNA
- A double helix A spiral staircase
- What composes the backbone/slides of the double helix?
- Phosphate and Deoxyribonucleic
- What makes up the runs of the double helix?
- A-T, G-C A= Adenine T= Thymine G= Guanine C= Cytosine