Biology 1101 Ch 6 Lecture Cells C F Cystic Fibrosis Disease that has a very poor life expectancy issues with pancreas and liver due to chloride transporter Epithelia When chloride molecules get stuck inside the cells due to less water than the average cell Nucleus Largest structure in the cell holding all genetic material in the cell o DNA wrapped around proteins into tightly packed chromosomes o Nuclear pores Transport material in and out of a cell o Nucleoli ribosomes are assembled o Nuclear Envelope Made up of phospholipids selectively permeable membrane also a double membrane which is why nuclear pores are required DNA Double helix used to protect the genes inside RNA photocopy of the original DNA so the original genes aren t damaged Endoplasmic reticulum o Rough ER Where proteins are made o Smooth ER Detox Production of lipids Calcium ions Carbohydrates metabolized o Signals the cell as to what type of protein it is and tells the ribosomes to go to the ER Secretes the protein into the ER lumen Signal Peptide Golgi Bodies Cytoskeleton o Carries the proteins around the cell using ATP o Microtubules Cilia flagella Movement shape o Microfilaments Actin o Intermediate filament laminin
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