Last saved by: Karen Glisson

Ch. 3 Review

Completion
Complete each statement.

Use the terms from the following list to complete the sentences below. 
cell membrane | nucleus
lysosome | ribosome
organelle | Golgi complex
mitochondria | organs
prokaryotic |

	1.	Various tissues that work together to perform a specific job constitute ____________________.

	2.	The role of the cell’s ____________________ is to release energy that can be used to power various cellular processes.

	3.	DNA, the genetic material in cells, is located in a eukaryotic cell’s ____________________.

	4.	Cells that have no membrane-covered organelles are ____________________.

	5.	A part of the Golgi complex can pinch off and form a(n) ____________________, which distributes materials to other parts of the cell.

Use the terms from the following list to complete the sentences below. 
cell | organ
structure | tissue
multicellular | system

	6.	The lowest level of organization is the ____________________.

	7.	Cells that are like each other and do the same job form a(n) ____________________.

	8.	A structure made of two or more tissues working together is called a(n) ____________________.

	9.	A group of organs that work together forms an organ ____________________.

	10.	Larger size, longer life, and more-specialized cells are characteristics of ____________________ organisms.

	11.	How a part of an organism works is related to how it is built, or its ____________________.

Short Answer

	12.	What four elements do all cells have in common?

	13.	When looking through a microscope, how would you identify whether a cell is from a plant or animal?

	14.	List four levels of organization of living things.

	15.	What is the role of the nucleolus?

	16.	What are the two different kinds of endoplasmic reticulum?

	17.	Name two types of organelles that release energy.

	18.	What four basic types of tissues do animals have?

	19.	What is the main difference between a unicellular organism and a multicellular organism in the way life processes are carried out?

       20.  When looking through a microscope, how would you identify whether a cell is a eukaryote or a prokaryote?

Matching

Match each item with the correct statement below.
a. | archaea | f. | organelle
b. | cell membrane | g. | prokaryote
c. | bacteria | h. | ribosomes
d. | eukaryote | i. | surface area–to-volume ratio
e. | nucleus | j. | cytoplasm

____	21.	tiny, round organelles made of protein and other material

____	22.	the fluid inside a cell

____	23.	the reason that most cells are limited to a very small size

____	24.	a protective layer that covers the cell’s surface and acts as a barrier

____	25.	small bodies in a cell’s cytoplasm that are specialized to perform specific functions

____	26.	in a eukaryotic cell, an organelle that contains the cell’s DNA and that has a role in growth, metabolism, and reproduction

____	27.	an organism that consists of a single cell that does not have a nucleus or membrane-bound organelles

____	28.	prokaryotes that are the smallest cells and that have ribosomes

____	29.	prokaryotes that include extremophiles, organisms that live in extreme conditions

____	30.	an organism made up of cells that have a nucleus enclosed by a membrane as well as membrane-bound organelles

Match each item with the correct statement below.
a. | cell membrane | f. | Golgi complex
b. | cell wall | g. | lysosomes
c. | chloroplasts | h. | mitochondrion
d. | cytoskeleton | i. | nucleus
e. | endoplasmic reticulum | j. | ribosomes

____	31.	a rigid structure that gives support to a cell

____	32.	a barrier that encloses and protects the cell

____	33.	a web of proteins in the cytoplasm that keeps a cell’s membrane from collapsing

____	34.	a large organelle that produces and stores the cell’s DNA

____	35.	organelles that make proteins

____	36.	a system of folded membranes that functions as the internal delivery system of a cell

____	37.	an organelle that functions as the main power source of a cell, breaking down sugar to produce energy

____	38. 	organelles in which photosynthesis takes place

____	39.	the organelle that packages and distributes proteins

____	40.	organelles that contain digestive enzymes