the smallest unit that can carry on all of the processes of life
What is cell
100
the membrane bound organelle that contains a cell's DNA
What is nucleus
100
groups of tissues that that perform a particular job in an organism
What is organs
100
the site where DNA is concentrated when it is in the process of making ribosomal DNA
What is the nucleolus
100
vesicles that bud from the Golgi Apparatus and that contain digestive enzymes
What are lysosomes
200
>All living organisms are composed of one or more cells
>Cells are the basic units of structure and function in an organism
>Cells come only from the reproduction of existing cells
What is cell theory
200
organisms that lack a membrane-bound nucleus and membrane-bound organelles
What is prokaryotes
200
a group of organs that accomplish related tasks
What is organ systems
200
organelles made of proteins and RNA that direct protein synthesis in the cytoplasm
What are ribosomes
200
a network of thin tubes and filaments that crisscrosses the cytosol
What is the cytoskeleton
300
-cell's outer boundary
-covers a cell's surface and acts as a barrier
What is plasma membrane
300
organisms made up of one or more cells that have a nucleus and membrane-bound organelles
What is eukaryotes
300
a double layer of phosphlipids
What is a phospholipid bilayer
300
tiny organelles that transfer energy from organic molecules to adenosine triphosphate
What is mitochondria
300
hollow tubes made of a protein called "tubulin"
What are microtubules
400
region of the cell that is within the plasma membrane and that includes the fluid and all of the organelles except the nucleus
What is cytoplasm
400
intracellular bodies that perform specific functions for the cell
What is organelles
400
structures in the nucleus made of DNA and protein
What are chromosomes
400
a system of membranous tubes and sacs
What is the endoplasmic reticulum
400
long threads of the beadlike protein actin and are linked end to end and wrapped around each other like two strands of a rope
What is microfilaments
500
the part of the cytoplasm that includes molecules and small particles, such as ribosomes, but not membrane-bound organelles
What is cytosol
500
groups of similar cells and their products that carry out a specific function
What is a tissue
500
the structure that covers the nucleus by a double membrane
What is the nuclear envelope
500
another system of flattened, membranous sacs
What is the Golgi Apparatus
500
hairlike structures that extend from the surface of the cell, where they assist in movement