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5-1 biology
| Question | Answer |
|---|---|
| What forms the basic framework in which biologists have tried to understand living things? | cell theory |
| cell theory states three things. a. all living things are composed of...? b. _____ are the basic units of structure and function in living things c. all _____ come from preexisting _____ | CELLS |
| the cells of animals, plants, and related organisms have three basic structures? | membrane, nucleus, and cytoplasm |
| the outer boundary of the cell is the the? | cell membrane |
| the control center of the cell is the? | nucleus |
| the material between the cell membrane and the nucleus is the? | cytoplasm |
| all cells are separted from their surroundings by a ? | cell membrane |
| in organisms such as plants, algae, and some bacteria, the cell membrane is surrounded by a ? | cell wall |
| in many cells we can see a dark structure, called the ? | nucleus |
| organisms whose cells lack nuclei are called? | prokaryotes |
| Organisms whose cells contain nuclei are called? | Eukaryotes |
| surrounding the nucleus are two membranes that form the ? | nuclear envelope |
| most nuclei contain a small region called the ________ that is made up of RNA and proteins | Nucleolus |
| the DNA in the nucleus of eukaryotic cells is attached to special proteins and forms large structures called ? | chromosomes |
| We can divide the space within a cells into two compartments which are ... | the nucleus and the cytoplasm |
| what is the area between the nucleus and the cell membrane called? | cytoplasm |
| the structures in the cytoplasm are generally called? | organelles |
| __________ is a tiny structure that performs a specialized function in the cell | an organelle |
| the _______ and _______ are key organelles that change energy from one form to another | Mitochondrion and Chloroplast |
| _______ is an organelle that changes the chemical energy stored in food into compounds that are more convenient for the cell to use. | Mitochondria |
| ________is an organelle that traps the energy of sunlight and convert it into chemical energy | Chloroplast |
| the structures in which proteins are made are called? | Ribosomes |
| many cells are filled with a complex network of sacs known as the ? | endoplasmic reticulum |
| the proteins that are moved into special compartments known as the ? | Golgi apparatus |
| when a cell encircles a particle, the cell emmbrane forms a pocket around foreign material. the foreign material must now be digested, or broken down. that is the job of the? | lymosomes |
| _____ are plant organelles that may take many forms | Plastids |
| many cells contain saclike structures called? | vacuoles |
| composed of a variety of filaments and fibers that support cell structure an ddrive out cell movement | cytoskeleton |
Created by:
haleybrown
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