Cellular Division
Terms
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- Why is cell division important? (3 Answers)
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1. Enables multicellular organisms to grow to adult size.
2. Replaces worn-out or damaged cells
3. Is the basis of reproduction for every organism. - What is asexual reproduction?
- Production of offspring by a single parent with participation of gamete
- Define the term 'Gamete'
- Haploid reproductive cells. Sperm and Egg
- Define the term 'Haploid'
- A cell that only contains one set of chromosomes. Humans have 46 chromosomes, haploid human cells have 23 chromosomes
- Define the term 'homologous chromosome'
- a pair of matching chromosomes. One set from each parent.
- Define the term 'autosomes'
- Any chromosome that is not a sex chromosome.
- Define the term 'diploid'
- A pair of matching chromosomes. One chromosome from each parent
- Define the term 'zygote'
- Diploid cell formed by the fusion of two haploid cells. IE sperm and egg joining.
- What are the 3 sub-phases of interphase.
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Gap 1 - G1
S - S phase
Gap 2 - G2 - What occurs during G1 of interphase?
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Period of prep for division
Protein supply increased
Organelles are replicated.