Cell Differentiation

Why do stomach cells function differently than skin cells?

• They contain entirely different DNA

• They use different genes in the DNA

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_________ _________ are a special type of body cell that can develop into different types of cells.

(a)  

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_____________ ______________ is the process by which cells that are not specialized develop into their specialized form.

(a)  

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What is cell differentiation?

• Process by which cells produce MORE cells.

• Process by which cells become UNSPECIALIZED

• Process by with cells become SPECIALIZED

• Process by which cells become old and DIE

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What is one goal of cellular differentiation?

• To create many identical copies of cells.

• To make stem cells for use in the future.

• To make single-celled organisms.

• To make specialized cells to maintain homeostasis.

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Stem cells are cells that...

• grow uncontrollably

• are undifferentiated

• never divide

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Your red blood cells are a type of

• Specialized cell

• Embryonic stem cell

• Adult stem cell

• Induced stem cell

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Which type of cell can only do ONE specific job

• Specialized cell

• Embryonic Stem Cell

• Adult Stem Cell

• Induced Stem Cell

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Why are your muscle cells different from your nerve cells?

• muscle and nerve cells have different DNA, different genes

• muscle and nerve cells have the same DNA (same genes) but different genes are turned on

• muscle and nerve cells began with the same DNA (same genes) but some different genes were destroyed by each cell type

• muscle cells are not different from nerve cells, they are the same

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What is the purpose of some organisms having different specialized cell types each doing particular jobs?

• if all the cells were the same they would fight each other

• it is impossible for a single cell to do everything needed to keep it alive

• in multicellular organisms specialized cells work together to perform life functions

• this is not true - all cells are the same and do the same jobs

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