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Cells: The Building Blocks of Life Study Questions

Terms in this set (20)

Matter is divided into what two broad categories?
Inanimate and Animate
Name one main characteristic of a living cell.
They can reproduce
The process of maintaining stability within a cell is called _______________.
Homeostasis
What is the fundamental unit of all living matter?
cells
Our body is made up of;
a) hundreds
b) thousands
c) millions
of cells.
c) millions
Name the four kinds of cells withing the human body.
*sex cells
*nerve cells
*blood cells
*brain cells
What are the two major types of cells?
Eukaryotic and Prokaryotic
________________ are cells that contain no distinct nucleus within the cell membrane.
Prokaryotic cells
________________ have a well defined nucleus, as well as organelles located within the cell membrane.
Eukaryotic cells
the nucleus of a cell acts as its ______________.
Control center
What are the molecules within the nucleus that are important in cell reproduction?
DNA
What separates the nucleus from the cytoplasm and controls the movement of the material in and out of the nucleus?
Nuclear Membrane
The ______________ is located outside of the nucleus membrane and is the site of many chemical reactions.
cytoplasm
Within the cytoplasm are many structures called _____________ that carry out specific tasks.
organelles
The endoplasmic reticulum is a system of tube-like structures that transport materials within a cell. True or False?
True.
Where are proteins manufactured?
ribosomes
Vacuoles are fluid-filled spaces used to store ___________ and ____________ within the cell.
food
water
____________ contain chemicals that help digest food within the cell.
Enzymes
Cytoplasm are thin, hollow rods that provide support and shape to cells. True or False?
False.
Where is cilia mostly found within the human body?
on the outside of cells
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