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Science Chapter 2 Section 1
Notes
23
Science
7th Grade
08/29/2011

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Term
What are the outer coverings called of a cell membrane and internal gelatinlike cytoplasm.
Definition
common cell structure
Term
How do you compare cells?
Definition
size and shape relate to function
Term
What are two cell types?
Definition
Prokaryotic and Eukaryotic
Term
What are cells called that lack mebrane-bound internal structures?
Definition
Prokaryotic
Term
What are cells calld that contain membrane-bound internal structures?
Definition
Eukaryotic
Term
Name the plants that a cell wall protects
Definition
Algae, fungi, and the most bacteria
Term
What is a cell membrane?
Definition
protective layer around all cells
Term
For cells with cell walls, the cell membrane is where?
Definition
inside the cell wall
Term
A cell membrane allows what into the cell and waste products out of the cell.
Definition
food and oxygen
Term
What is a gelatin like substance inside a cell membrane?
Definition
cytoplasm
Term
What is a scaffolding-like structure in cytoplasm which helps cells keep its shape?
Definition
Cytoskeleton
Term
In the cytoplasim, eukaryotic cells have what that helps with the cell life process?
Definition
organelles
Term
What contains instructions for everything a cell does; includes DNA?
Definition
nucleus
Term
What is energy?
Definition
processing organelles - help cells do their best work
Term
What organelles in plant cells contain chlorophasts to make food?
Definition
Green ones
Term
What are organelles which release energy from food are called what?
Definition
mitochodria
Term
What makes proteins for cell activities?
Definition
ribosomes
Term
Some ribosomes attach to the rough part of the endoplasmic reticulum. What is an endoplasmic reticulum?
Definition
a series of smooth or rough membranes that move materials around in a cell
Term
Golgi Bodies move what out of a cell or to other parts of a cell?
Definition
substances
Term
What is a membrane-bound temporary storage space?
Definition
acuoles
Term
What is tissue?
Definition
a group of simiular cells working together on one job
Term
What are different tissues working together trying to make?
Definition
organs
Term
Organs working together on a particular function form what?
Definition
Organ system
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