
Unit 4: Cell Cycle Intro
Presentation
•
Science
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9th - 12th Grade
•
Practice Problem
•
Medium
+2
Standards-aligned
Venecia Salinas
Used 15+ times
FREE Resource
8 Slides • 6 Questions
1
Unit 4: Cell Cycle Introduction
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Review the CELL THEORY
Cell Theory States
All Cells come from pre-existing cells
All Living things are made up of 1 or more cells
Cells are the basic unit of life
3
Multiple Choice
If an organism has only have 1 type of cell, they are considered
Unicellular
Monocellular
Multicellular
Polycellular
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It all starts with DNA!
It is the universal language and it is the blueprint of all living things.
It is a type of NUCLEIC ACID and it is housed in the Nucleus of Eukaryotic cells.
DNA can coil up and become something known as CHROMOSOMES, Chromatin!
5
More specific
Chromosome Structure
Humans have 46 Chromosomes in total
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Chromosomes are inside of all Cells, because DNA IS IN ALL LIVING THINGS.
DNA/Chromosomes must be able to equally divide inside of the Cell cycle to make cells in the body
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Multiple Choice
Why do you think new cells need to be made using the Cell cycle?
Just for fun
To grow new cells
To reproduce
To repair damaged cells
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VOCABULARY
Kinetochore: Where spindle Fibers
Attach to the chromosome
(for cell division/cell cycle)
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VOCABULARY
Centrosome: (In the cytoplasm)
Is the unit of centrioles/spindle fibers that migrate to opposite "poles" of the cell to aid in cell division
Centriole: In the cytoplasm of cells and it produces spindle fibers to help with cell division (occurs in pairs)
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Vocabulary Continued
Cytokinesis (Splitting of the cell)
The process at the end of the Cell cycle that splits the original cell into TWO identical daughter cells.
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Fill in the Blanks
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Multiple Choice
This is what occurs when the original cell splits into TWO CELLS
Centriole
Mitosis
Cytokinesis
Chromosome
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Multiple Choice
This is a Karyotype (it shows the chromosomes of an organism). How many chromosomes are shown?
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23
22
45
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Draw
Draw One DUPLICATED CHROMOSOME
Unit 4: Cell Cycle Introduction
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