Pinnacle 7th science Cells Mrs. Hall

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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.


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