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| theory that life comes from life |
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theory that nonliving substances could produce living things
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| the discovery of the cell would not have been possible without the ______________. |
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| performed an experiment that disproved the accepted idea of spontaneous generation |
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| ised a single lens microscope to obeserve living things in pond water |
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| What did Van Leeuwenhoek call the living things in pond water? |
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| used an early compind microscope to examine cork and discoverd millions of empty chamber he called cells (named cells) |
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| put to rest the idea of spontaneous generation with his flask design and experiment which showed that flasks can stay bacteria free when they are not allowed to breathe |
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| discovered the nucleus of the cell |
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1. All living things are composed of cells
2. Cells are the basic units of structure and function in living things
3. New cells are produced from existing cells |
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| Three Characteristics in common to all cells: |
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Definition
1. cell membrane
2. cytoplasm
3. DNA |
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- serves as barrier to protect the interior of the cell
- regulates what substances enter and exit the cell
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| fluid substance made primarily of water found inside the cell between the nucleus and the cell membrane |
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DNA
(deoxyribonucleic acid) |
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| the genetic material that controls the activites of the cell |
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- cells that do not contain a nucleus
- carry out activities associated with living things
- contains few organells
- very small
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- cell that have a nucleus
- large and complex
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| "little organ" structures inside the cell that have a specific task |
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- control center of the cell, contains nearly all the cell's DNA and the coded instructions for making proteins
- animal and plant
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- granular material in the nucleus
- consists of DNA bound to special proteins called histones
- animal and plant
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- a small, dense region inside that nucleous that produces ribosomes
- animal and plant
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- controls what goes in and out of the cell
- animal and plant
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- tough, fibrous structure that gives support & resistance to plant cell
- made of cellulose
- plant ONLY
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- transportation system inside the cell
- two types: rough er and smooth er
- animal and plant
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- has ribosomes attached to the surface
- gathers materials for proteins synthesis and moves proteins
- plant and animal
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- does not have riobosomes
- invloved in transport and production of carbs and lipids
- plant and animal
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- makes proteins
- attched to rough er
- animal and plant
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takes raw proteins from the ribosomes and modifies and packages them into enzymes and proteins needed by the cell
- animal and plant |
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| membrane sac filled with enzymes used for digestion of macromolecules and cellular maintenance |
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- sac-like structure that stores waste, food and water
- extremely large and numerous in plants
- plants and some animals
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- powerhouse of the cell
- site of cellular respiration and fuels all cell activities by converting chemical energy into glucose
- animal and plant
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| site of photosynthesis in the plant and responsible for food production |
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- part of the cytoskeleton
- pair of fiber producing organelles that organize microtubule assembly for cell division.
- animal ONLY
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- made of proteins
- support and give cell shape
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made of microtubules and proteins actin and myosin, for movement and locomotion
-found only in single cell animals |
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