Bio 110 Exam 2 Protists, Mitosis, Meiosis

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4 Terms

1
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Where is the Nucleus located?

Inside the cell’s cytoplasm, surrounded by a cell membrane called the nuclear envelope. Hold our DNA and gene expression

2
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What is the flow of proteins in our endomembrane system?

Either SER (smooth endoplasmic reticulum) or RER (rough endoplasmic reticulum)

  1. Smooth ER deals with toxins and breaks them down

  2. Rough ER has ribosomes on the surface and receives proteins and synthesizes them (packages) from Nucleus either exports them or keeps them

  3. Transports proteins through vesicles to Golgi Apparatus 

  4. Golgi Apparatus tells protein where to go, exports out of the cell or exports inside the cell to somewhere else also through vesicles.

3
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What is the function of Lysosomes in the cell?

Breaks down waste materials by engulfing them. Hydrolase enzymes initially degrade the content.

4
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What type of molecule are gangliosides? How can the accumulation of them cause Tay-Sachs disease?

It is a lipid molecule, neuronal cell that regulate the accumulation of gangliosides. Tay-Sachs destroy these neuronal cells leading to increases gangliosides. 

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