Science-Chapter 17
Quiz yourself by thinking what should be in
each of the black spaces below before clicking
on it to display the answer.
Help!
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| What is the smallest unit that can perform all the processes necessary for life? | Cell
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| Who was the scientist who first described cells? | Robert Hooke
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| Who discover single-celled organisms including bacteria? | Anton van Leeuwenhoek
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| Who concluded that all plant parts were made of cells? | Matthias Schleiden
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| Who concluded that all animal tissue were made of cells? | Theodor Schwann
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| Who concluded that all cells come from existing cells? | Rudolf Virchow
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| What are the 3 parts of the Cell Theory? | 1. All organisms are made of one or more cells
2.The cell is the basic unit of all living things
3.All cells come from existing cells
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| A cell's size is limited by the ratio between the cells what? | The cell's volume and the cell's surface area
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| What is the protective layer that covers a cell's surface? | Cell membrane
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| What is cytoplasm? | Fluid from the cell and almost all of its content
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| What are structures that perform a specifc function in the cell? | Organelles
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| What does DNA stand for? | Deoxyribonucleic acid
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| What is a organelle that contains DNA and has a role in growth, metabolism, and reproduction? | Nucleus
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| What parts do cells have in common? | Cell membranes, organelles, cytoplasm, and DNA
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| What are prokaryotes? | Single-celled organisms that do not have a nucleus or membrane-bound organelles
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| What is the most common prokaryotes? **hint hint smallest cell** | Bacteria
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| What are ribosomes? | Tiny, round organelles made of proteins and other materials
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| What does a eukaryotic cell have that a prokaryotic cell does not? | A nucleus
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| What does multicellular mean? | Many cells
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Review the information in the table. When you are ready to quiz yourself you can hide individual columns or the entire table. Then you can click on the empty cells to reveal the answer. Try to recall what will be displayed before clicking the empty cell.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
To hide a column, click on the column name.
To hide the entire table, click on the "Hide All" button.
You may also shuffle the rows of the table by clicking on the "Shuffle" button.
Or sort by any of the columns using the down arrow next to any column heading.
If you know all the data on any row, you can temporarily remove it by tapping the trash can to the right of the row.
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