Chapter 6: Organelles Flashcards
What is the smallest functional unit of life?
A cell
What is cell theory?
All organisms are composed of cells,
All existing cells arise from roe existing cells
What is a prion?
A misfolded proteins that spread their misfoldedness; ex: mad cow disease, scrappy and sheep
Traits of the prokaryote
Small, no nucleus, plasma membrane and cell wall, flagella or pilli
Traits of eukaryotic cell
Complex, plasma membrane, organelles
The nucleus is a single membrane
False, its double
How is DNA usually preseted?
Chromatin
What is the purpose of the nucleolus?
What can enter through the nuclear pores?
Steroids (they can go directly to the DNA)
What is the ednomembrane system?
Rough ER and Smooth ER
What does the smooth ER do?
Detoxifies chemicals,
synthesizes lipids, steroids
Metabolizes and Stores calcium ions,
What does the RER do?
Makes proteins, ones that are imo,anted into the cell membrane
What does the golgi do?
It receives products from the Er and modifies it
What organelles puts zip codes on proteins telling them where to go? Almost like UPS.
The golgi
Which organele contains corrosive enzymes?
Lysosomes
Defective lysosomes can cause what disease?
Tay sachs
What do lysosomes do?
What chromosome has the defects that causes Tay Sachs?
Chromosome 15, HEXA gene