Chapter 3 Test Flashcards
Semi fluid of the cytoplasm
Cytosal
Where does protein synthesis occur?
Ribosome
What is the control center?
Nucleus
Intracellular structures with specific functions
Organelles
Responsible for forming SPINDLE during mitosis
Centrosome
Stores,modifies,sorts,packages, proteins and lipids
Golgi
Organelles that destroy bacteria and recycle workout cell parts
Lysosomes
Non membranous chemical substance that are produced and used by cells
Inclusions
Located inside the nucleus and helps to assemble ribosomes
Nucleolus
Where does cellular respiration occur?
Mitochondria
Passive transport depends on what to move materials?
Kinetic energy
When a solution reaches equilibrium ______ number of molecules move in and out of a cell
Equal
Mechanisms that move substances across a cell membrane REQUIRING ENERGY are known as what?
Active transport
What is the infolding of a cells membrane around a LIQUID droplet to bring it into the cell?
Pynocytosis
In a passive transport,net movement of substances is ______ their concentration gradient
Down
Movement of any substance from a HIGH CONCENTRATION TO A LOW concentration whether or not a membrane is involved is called?
Diffusion
Movement of any substance from a LOW CONCENTRATION TO A HIGH concentration is..?
Active transport
In exocytosis, those structures unite with the cell membrane and release their contents to the outside of the cell
Vesicles
PHAGOCYTOSIS is the process by which _____ are taken through a cell membrane
Insoluble solids
What does gradient mean?
Difference
The majority of the plasma membrane is composed of what??
Phospholipids
Cellular contents located between the plasma membrane and the nuclear membrane is called the what?
Cytoplasm
The two types or ER are?
Smooth and rough
The what are attached to the rough ER
Ribosomes
