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7th U 3-1 Science
Unit 3 Cells
| Question | Answer |
|---|---|
| All ____ are made up of one or more cells. | Organisms |
| Anything that has mass and takes up space is called ___ | Mass |
| The basic units of matter is called ___. They are the building blocks of all matter. | Atoms |
| An ___ is the smallest unit of a substance that maintains the properties of that substance. | Atom |
| An ___is a substance that is made entirely of one type of atom. | Element |
| When the atoms of one or more substance is joined together, they form a ____. | Molecule |
| A molecule is a group of atoms held together by attractive forces called ___ bonds. | Chemical |
| An ____ is a living thing that can carry out life processes by itself. | Organism |
| Some organisms consist or are made up of just one cell. They are called ___. | Unicellular organisms |
| Unicellular organisms do not have levels of ___ | Organization. |
| A molecule that contains at least two different elements is also called a ___. | Compound |
| Living matter is made of many tiny structures, while ___ matter is not. | Non-living |
| The first person to describe the tiny box-like structures he saw in a thin slice of tree bark. | Robert Hooke |
| A ___ is the smallest functional and structural unit of all living things. All living things are made of these. | Cell |
| The tiny structures that exist within cells are called ___. | Organelles |
| ___ are tiny organisms that are made of just one cell. These organisms can live independently of one another and carry out all life functions. | Unicellular |
| ___ can live independently of one another and carry out all life functions. These organisms are made of just one cell. | Unicellular organisms |
| __ are made of many cells grouped together. The cells in this type of organism cannot life independently. | Multicellular organisms |
| ___ organisms are made of many cells grouped together. | Multicellular |
| Each cell in a ___ organism depends on each other to maintain life's functions in the organism. | Multicellular |
| Name the two types of cells that make up organisms. | Eukaryotic and prokaryotic |
| Cells with a nucleus are ___. (Eukaryotic, Prokaryotic) | Eukaryotic |
| Cells that do not have a nucleus surrounding their genetic material are ___. (Eukaryotic, Prokaryotic) | Prokaryotic |
| The ___ is the organelle that stores the cell's genetic material and controls the cell's growth and reproduction. | Nucleus |
| Cells that do not have a nucleus surrounding their genetic material are ___. (Eukaryotic, Prokaryotic) | Prokaryotic |
| ___ are prokaryotes. (two organisms) | Bacteria and archaea |
| Prokaryotic cells have a __, surround the cell, but do not have organelles that are enclosed in a membrane. | Cell Membrane |
| In prokaryotic organisms genetic material and organelles are suspended in the ___ (solid, liquid) interior of the cell. | Liquid |
| Bacteria and archaea are ___ (unicellular or multicellular) | Unicellular |
| __ have a nucleus that holds their genetic material. They also have organelles that are surrounded by a membrane. (Eukaryotic, Prokaryotic) | Eukaryotic |
| Some eukaryotes are ___. (Unicellular, Multicellular) | Unicellular |
| Unicellular eukaryotes include (two organisms). | Yeast and Amoeba |
| Multicellular organisms such as animals, plants and fungi are also made of ___ cells. (Eukaryotic, Prokaryotic) | Eukaryotic |
| Eukaryotic cells and prokaryotic cells share a few basic structures that are necessary for life. One of these structures is the __ that surrounds the cell. This organelle controls which materials enter and leave the cell. | Cell Membrane |
| A flexible barrier that separates the cell from its environment. This barrier controls which materials enter and leave the cell. | Cell Membrane |
| Plant cells, bacteria and archaea have a ___ surrounding the cell membrane. Animal cells do not have this structure. | Cell Wall |
| Plant cells, bacteria and archaea have a cell wall surrounding the ___. Animal cells do not have this structure. | Cell membrane |
| ___ is the gel-like liquid inside the cell. It is about 80% water. Organelles and some proteins are suspended in the this structure of the cell. This structure helps to maintain cell shape. | Cytoplasm |
| Cytoplasm is the ___ inside the cell. It is about 80% water. Organelles and some proteins are suspended in the cytoplasm of the cell. This structure helps to maintain cell shape. | Gel-like liquid |
| This structure helps to maintain cell shape. | Cytoplasm a gel-liquid |
| Ribosomes are a type of ___ that does not have a membrane. | Organelle |
| __ are the tiny organelles that make proteins. | Ribosomes |
| Prokaryotic cells contain ___ but not other organelles. | Ribosomes |
| __ is a type of organelle that release energy from food molecules for the cell to use. | Mitochondria |
| Plant cells have organelles called ___ that produce sugar and give plants their green color. | Chloroplasts |
| All cells contain genetic material in the form of a long molecule called deoxyribonucleic acid or ___ for short. | DNA |
| ___ contains the instructions for all cell process, and it controls what proteins are made in the cells. | DNA |
| ___ determines the traits of each organism. All organisms inherit it from their parent or parents. | DNA |
| In eukaryotic cells, DNA is found inside the ___. | Nucleus |
| In prokaryotic cells DNA forms a large loop in the ___. | Cytoplasm |
| A zebra is a ___ (Unicellular, Multicellular) organism. | Multicellular |
| A paramecium is a ___ (Unicellular, Multicellular) organism. | Unicellular |
| Photosynthetic cells take in energy from ___ and use it to make their own food. | Sunlight |
Created by:
wmeeks
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