Life is Cellular. Wednesday, January 23, 2013. Warm-Up: Tuesday, January 23, 2013. Work together with your classmates using your pieces to form one, big puzzle piece!! Objectives: By the end of class today, students will be able to:
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Wednesday, January 23, 2013
Work together with your classmates using your pieces to form one, big puzzle piece!!
Collection of living matter enclosed by a barrier that separates the cell from its surroundings; basicunit of all forms of life.
Sentence: All ________________ are made up of cells.
Idea that all living things are composed of cells and new cells are produced from existing cells.
Sentence: New cells are produced from _________ __________; this is called the cell theory.
Thin, flexible barrier around a cell; regulates what enters and leaves the cell.
The cell membrane helps _____________ the cell.
Strong layer around the cell membrane in plants, algae, and some bacteria.
Sentence: Cell walls are found in _____________ cells.
large structure inside some cells that contains the cell’s geneticmaterial (DNA) and controls the cell’s activities.
Sentence: The nucleus carries _________________. It acts like the ________ of the cell.
material inside the cell membrane- but not including the nucleus.
Sentence: The cytoplasm contains the ____________ within the cell; except the ___________.
single-celled microorganism that lacks a nucleus.
Sentence: Prokaryotes have no ________, such as ________________.
organism whose cells containnuclei
Sentence: Eukaryotes have a __________ , such as ______________.
Organelle: Specialized structure that performs important cellular functions within a eukaryoticcell.
Sentence: “Organelles have specific _________ within the _________.”
1. Cell Theory states three main points:
A. All living things are composed of cells.
B. Cells are the basic units of structure and function in living things.
New cells are produced from existing cells
A. Cells of Prokaryotes do not have a nucleus, but cells of Eukaryotes do.
B. Prokaryotes: have cell membranes and cytoplasm but do not contain nuclei
**All bacteria are prokaryotes
e. Can be single-celled organisms or large multicellular organisms
f. All plants, animals, fungi, and many microorganisms are eukaryotes
What is the difference between an prokaryote and a eukaryote cell?
“A prokaryote/eukaryote cell has _________. An example would be ______________.”
Be prepared to share!!!