Section II Flashcards
What is the function of lipids in the cell membrane
They make up most of it
What are the two ways in which the cell membrane can serve as a semi-permeable membrane and regulate the passage of molecules
Polarity and size
What is the functions of proteins in a cell membrane
Transport
What is the function of carbohydrates in the cell membrane
Recognition of the cell
The nucleus functions in make ___ ___ and directing the cell’s ___
Nucleic acids, activities
What makes ribosomes
Nucleolus
What is the brain of the cell
Nucleus
2 functions of the cytoplasm
- cellular chemical
- holding the other organelles in place
The cytoplasm is mostly made of ___
Water
What are the two types of ER
Rough
Smooth
What type of fiber forms a network just beneath cell surface
Actin Fibers/Microfilaments
What does the specific functions of the cell determine
The amount of smooth or rough ER
What type of fiber acts as a highway system for transporting things through the cell
Microtubules
What type of fiber is framework for confining cell materials
Intermediate fibers
What is the primary function of ribosomes
Producing proteins
Cytoplasmic streaming means…
In constant motion
What are the three different kinds of fibers in the cytoskeleton in order from largest to smallest
Microtubules
Intermediate Fibers
Actin Fibers/Microfilaments
A spherical structure, usually located in the center of a cell
Nucleus
Nucleoplasm is rich in ___ and ___
Proteins and chromatin
During cell division chromatin condenses and coils to form ___
Chromosomes
What are ribosomes made of
Nucleic acid and proteins
What is rough ER responsible for
Protein production
What is the most numerous of organelles
Ribosomes
What is a stack of membrane filled with fluid and dissolved substance
Golgi complex
