1 Cell structure and function Flashcards
“Double membrane-bound large structure containing chromatin”
What does this describe?
Nucleus
“Double lipid bilayer with nuclear pore complexes”
What does this describe?
Nuclear envelope / membrane
“Dense non-membrane-bound structure in nucleus”
What does this describe?
Nucleolus
“Small structures free in cytoplasm or bound to endoplasmic reticulum. Consist of two subunits of ribosomal RNA”
What does this describe?
Ribosomes
“Extensive membrane system within the cell; may be rough or smooth”
What does this describe?
Endoplasmic reticulum
“Stacks of flattened membrane-bound cisternae”
What does this describe?
Golgi apparatus
“Double membrane-bound organelles with folded inner membrane”
What does this describe?
Mitochondria
“Lipid bilayer containing intrinsic proteins and with an external coat of carbohydrate”
What does this describe?
Plasma membrane
“Microfilaments, intermediate filaments and microtubules”
What does this describe?
Cytoskeleton
“Membrane-bound vesicles containing hydrolytic enzymes”
What does this describe?
Lysosomes
“Membrane-bound vesicle containing oxidases and catalase”
What does this describe?
Peroxisomes
“Non-membrane-bound granules and aggregates of granules (rosettes)”
What does this describe?
Glycogen granules
What is the name of a brown pigment found in cytoplasm which functions as a waste product?
Lipofuscin
What is the brown pigment found in cytoplasm which functions as skin pigmentation?
Melanin
The functionally specialised cells within an organ are referred to as the parenchyma, or the stroma?
Parenchyma
