Essential Cell Structures And Functions Flashcards
Where is the RNA made?
Nucleus
What are protein complexes composed of two subunits?
RNA
Where Is the site of cell respiration?
Mitochondria
What has a double membrane with pours?
Nuclear envelope
Which ER is studded with ribosomes?
Rough
What can be found alone in the cytoplasm or attached to the Endoplasmic Reticulum?
Ribosomes
What do ribosomes do alone in the cytoplasm?
Make proteins for use within the cell.
Where are vesicles then pinched off from the Golgi body to be secreted?
Golgi apparatus
What do ribosomes do when attached to RER?
Makes proteins for export out of the cell.
Which ER lacks ribosomes?
Smooth
What contains a green pigment call chlorophyll that absorbs sunlight in photosynthesis?
Chloroplast
Which ER is the site of phospholipid synthesis and the packaging of protein into vesicles?
Smooth
What are vesicles produced by the Golgi apparatus?
Lysosomes
What is the largest organelle?
Nucleus
What has outer and inner membranes in its structure?
Mitochondria
Which ER is attached to the nuclear membrane?
Rough
What has chromatin and ribosomal subunits?
Nucleolus
Very active cells have more ________.
Mitochondria
What is the site where cell products are packaged for export?
Golgi apparatus
What is assembled in the nucleolus?
Ribosomes
What transports materials through the cell?
ER
What controls protein synthesis?
Nucleus
What is made up of a phospholipid bilayer with transport proteins and cholesterol?
Cell membrane
What is involved in the production of lysosomes?
Golgi apparatus
What contains digestive enzymes and are involved in intracellular digestion of food particles, disease causing bacteria and worn out cell parts?
Lysosomes
What is the “powerhouse of the cell”?
Mitochondria
What is the brain of the cell?
Nucleus
What is the site of protein synthesis?
Ribosomes
What is the site of cell photosynthesis?
Chloroplast
Which ER is the site of protein synthesis and processing?
Rough
Where are proteins modified by being combined with fats or carbohydrates?
Golgi apparatus
What is larger and more complex than mitichondria?
Chloroplast
What acts as a container, storing water and dissolved particles?
Vacuole
What is a collection of Golgi bodies?
Golgi apparatus
Plants have a large central ______ for water storage.
Vacuole
What controls what leaves and enters the cell?
Cell membrane
Unicellular animals can use contractile ______ for movement.
Vacuoles
