structure + function of a cell
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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| Cell | Basic unit of structure and function in living things
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| Microscope | Instrument that magnifies objects to make small things look larger
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| Simple microscope | Only has one lens
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| Compound microscope | Has more than one lens
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| Robert Hooke | English Scientist
Looked at cork- called them "cells"
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| Anton van Leeuwenhoek | Dutch business man
Made his own lenses
Looked at pond water- saw "animalcules"
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| Cell theory | All living things are composed of cells
Cells are the basic unit of structure and function in living things
All cells are produced from other cells
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| Resolution | Ability to clearly distinguish individual parts of an object
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| Element | Any substance that cannot be broken down into simpler substances
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| Atom | Smallest unit of an element
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| Compound | Two or more elements combined chemically
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| Molecule | Smallest unit of most compounds
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| Organic compounds contain ________ | Carbon
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| Define and give examples of a carbohydrate | Energy rich organic compound
Sugar and starches
ex: potatoes, noodles, rice, bread=starch
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| Protein | Made up of amino acids
ex: meat, eggs, fish, nuts, and beans
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| Enzyme | Type of protein that speeds up chemical reaction
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| Lipid | Fats, oils, waxes
Cholesterol is a lipid
Gives more energy
Body stores lipids for later use
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| What do nucleic acids do? (DNA & RNA) | DNA- Genetic material passed of from parent to offspring
-Directs function of cell
RNA- Production of proteins
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| Selectively permeable | Some substances can pass through while others cannot
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| Diffusion | Movement of molecules from an area of high concentration to an area of low concentration
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| Osmosis | The diffusion of water molecules through a selectively permeable membrance
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| Passive transport | Movement of materials through a cell membrane without using energy
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| Active transport | Movement of materials through a cell membrane using energy
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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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