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- 1. Multiple Choice
Why do cells divide?
Growth & Development
To repair and replace damaged cells (heal)
Maintain cell efficiency
All of the above
- 2. Multiple Choice
Rate of cell division varies between different types of cells
True
False
- 3. Multiple ChoiceAs a cell becomes larger, itssurface area increases faster than its volume.volume increases faster than its surface area
- 4. Multiple ChoiceHigh Surface area to volume ratio allows cells to do what quickly?Move materials around inside the cellMove materials in and out of the cellCommunicate to other cellsDivide
- 5. Multiple Choice
Each identical side of a chromosome is thecentromerechromatincentriolechromatid - 6. Multiple ChoiceThe drawing shows the structure of what molecule?A DNA moleculeA lipid moleculeA carbohydrate moleculeA protein molecule
- 7. Multiple ChoiceTrue or False? A tightly wound bundle of DNA is a chromosome.FalseTrue
- 8. Multiple Choice
In the picture, Q is pointing to the center of the image. What is Q?
centriole
chromatid
chromatin
centromere
- 9. Multiple Choice
The number of human chromosomes is
23
46
92
64
- 10. Multiple Choice
The proteins that DNA tightly winds around are called
nucleosomes
histones
chromatids
centromeres
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