Pinnacle 7th science Cells Mrs. Hall
organelles
A membrane-enclosed structure with a specialized function within a cell.
membranes ... organelles
Another characteristic of eukaryotic cells is that other components inside the cell are surrounded by __________ and are called _______________.
complex structures
Another characteristic of prokaryotic cells is that they do not have all the ________ or organelles found in eukaryotic cells.
organelles
Another characteristic of prokaryotic cells is that they do not have all the complex structures or _________ found in eukaryotic cells.
prokaryotic ... eukaryotic
Another difference between _______ and ________ cells is their size.
multicellular
Consisting of many cells
unicellular
Made of a single cell
Stimulus
A change in an organism's environment that causes the organism to react.
prokaryotic
A defining feature of a ____________ cell is that the genetic material is not surrounded by a membrane.
genetic
A defining feature of a prokaryotic cell is that the ________ material is not surrounded by a membrane.
membrane
A defining feature of a prokaryotic cell is that the genetic material is not surrounded by a___________.
cytoplasm
A jellylike fluid inside the cell in which the organelles are suspended.
bacteria
All _________ are prokaryotes.
prokaryotes
Bacteria and Archaea Cells that do not contain nuclei
eukaryotes
Cells with a membrane bound nucleus. Not Bacteria
Stimuli
Changes in the environment
nucleus
Control center of the cell. Contains DNA.
unicellular
Most prokaryotic cells are one-celled, or _______ organisms and are called prokaryotes.
prokaryotes
Most prokaryotic cells are one-celled, or unicellular organisms and are called _________.
eukaryotic
Plants, animals, fungi, and protists are made up of ___________ cells.
homeostasis
Process by which organisms maintain a relatively stable internal environment.
Prokaryotic ... eukaryotic
_________ cells are usually smaller than ___________ cells.
Organelles
__________ have specialized functions.
Eukaryotic
___________ cells have their genetic material contained in a nucleus.