Campus Collusion
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Lecture 1

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The basic unit of life.
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Cell
Contains DNA, which provides instructions for synthesis of essential proteins and genetic information passed down through generations.
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Nucleus
If the nucleus is damaged, what function would be affected?
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Protein synthesis
Problems with protein synthesis would result in:
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Defective or no protein being made
Makes RNA, which transmits information from DANA to cytoplasm (where protein synthesis takes place), and facilitates protein production.
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Nucleus
Control Center
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Nucleus
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Site of protein synthesis
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Ribosomes
Tubular system that transports substances through the cell and houses ribosomes and enzyme systems that carry out much of cells metabolic functions.
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Endoplasmic Reticulum (ER)
Transforms food enerty into ATP, which is used to power cell activities.
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mitochondria
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What organelle cannot produce ATP without O2?
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Mitochondria
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Lack of O2, would cause what cellular problem?
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Cell death
A pathologic change to the ribosomes would result in?
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Problems with protein synthesis. No protein made or defective proteins made.
"Bags" of enzymes that digest worn-out cell parts and foreign material, such as bacteria, that have entered the cell.
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Lysosomes
Explain Tay-Sachs disease.
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Is a lysosomal storage disease resulting from an accumulation of unwanted cell material.
What are free radicals?
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Very unstable atoms/ molecules that cause damage.
Contain special enzymes that detoxify substances and help control free radicals.
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peroxisomes
Cellular damage caused by a build up of free radicals is caused by a pathological change to what cellular component?
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Peroxisomes
What is the Golgi complex/ Golgi apparatus?
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Cellular component that modifies substances sythesized by ribosomes, and packages them into secretory granules/vesicles for release into extracellular fluid.
  
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