Eukaryotic Cells Flashcards
What does the Nucleus contain?
Coded genetic information.
What controls the metabolic activities of a eukaryotic cell?
The DNA
What are enzymes made of?
Proteins
What does a nuclear envelope protect and what from?
The DNA from the cytoplasm
What are histones?
Proteins that form complex chromatids which develop into chromosomes.
Where is the nucleolus located?
Inside the nucleus.
What is the function of a nucleolus?
To produce ribosomes
What is the nucleolus composed of?
Proteins and RNA
What are the four components that make up a mitochondria?
Inner Membrane
Outer Membrane
Cristae
Matrix
What is the function of a mitochondrion?
To produce ATP
The site of Aerobic Respiration
Where, in the mitochondrion, are enzymes contained?
The Matrix
What is the purpose of a vesicle?
To tranport material inside a cell.
What is a lysosome?
A specialised form of vesicle that is responsible for breaking down waste material in cells. They also play a big part in the immune system because they break down pathogens in phagocytosis.
What does a lysosome contain?
Digestive Enzymes
What is a cytoskeleton?
Network of fibres which adapts to the shape and stability of a cell.