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Cells Chapter 3

A cell membrane acts as a: door to the cell
The nucleus of a cell acts as the: brain of the cell
What part of the cell directs cell activites? Nucleus
In Eukaryotic cells where is DNA (with genetic infomation) found? Nucleus
In Prokaryotic cells where is DNA (with genetic infomation) found? free floating in the cytoplasm
What four components do all cells have in common? cell membrane, organelles, cytoplasm, and DNA
What are the two basic types of cells? Eukaryotic and Prokaryotic OR animal and plant
What to parts do plant cells have that animal cells don't? cell wall, large vacuole, chloroplasts
What part of the cell is located in the cell membrane but OUTSIDE the nucleus? cytoplasm
Which part of the cell acts as the powerhouse? Mitochondria
In which organelle is the does photosynthesis occur? Chloroplasts
In what process is where light energy is changed into a chemical energy (sugar) photosynthesis
What sugar is the cell wall composed of? cellulose
What shape are plant cells? Square
What makes a prokayotic cell different then a eukaryotic cell? pro- lacks a nucleus
which organelle breaks down food to release energy? mitochondria
What part of the plant cell supports, protects, and give structure to the cell? Cell Wall
In a eukaryotic cell, where are the chromosomes located? Nucleus
What is the name of the genetic material that is our "blue print" of life? chromosomes/dna
What are three parts of the cell theory? 1. all living things are made of one or more cells 2. All cells come from cells that already exist 3. Cells are the basic unit of structure and function in all living organisms
What is a cell? the smallest unit that can perform all life's processes
What is a tissue? A group of similar cells that are joined together to perform a common function
Why are cells important in all living things? Transport, operate body, energy, movement, messages
What is an organ system? a group of organs that work together to function
Examples of organs heart, liver, skin, brain, intestine
Give three characteristics of Eukaryotic cells larger, has a nucleus, dna found in nucleus, multicelluar, membrane bound organelles
Give three characteristics of prokaryotic cells oval, no nucleus, no membrane bound organelles, smaller, less complex
(Complete the statement) Cells are the basic... ...unit of structure and function in all living organisms
(Complete the statement) All organisms are made of... ...one or more cells
(Complete the following statement) All cells come from... .. cells that preexist
Created by: mlugerner