Term
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Definition
ex: ribosome, nucleus, golgi aparatus
part of cell that has a specific job |
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Term
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Definition
barrier around cell
controls what enters/exits cell |
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Term
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Definition
Plants only
outside cell membrane
gives extra support & protection |
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Term
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Definition
| full of dissolved materials cell needs, gives medium to move vesicles around, protects & holds organelles in place |
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Term
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Definition
controls the cell's functions (making proteins/lipids/other molecules)
contains DNA |
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Term
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Definition
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Term
| Endoplasmic reticulum (rough) |
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Definition
ribosomes are attached
proteins are made |
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Term
| Endoplasmic reticulum (smooth) |
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Definition
ribosomes not attached
lipids are made, breaks down drugs & alcohol |
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Term
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Definition
| modifies, sorts & transports proteins |
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Term
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Definition
Animals only
breaks down big molecules
attacks bacteria
recycles organelles |
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Term
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Definition
plants (large central vacuole)
animals (smaller vacuoles)
stores extra materials like water, nutrients, and waste |
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Term
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Definition
plants only
converts sun's energy into food |
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Term
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Definition
| makes & releases energy for cell |
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Term
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Definition
no nucleus, simple/small, fewer & less complex organelles, single celled
ex: bacteria |
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Term
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Definition
complex cell, more complex organelles, bigger, single or multicellular
ex: plants & animals |
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Term
| Which organelles are found only in plants? |
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Definition
| cell wall, chloroplasts, large vacuole |
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Term
| Which organelles are found only in animal cells? |
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Definition
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Term
| What is cell differentiation? |
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Definition
when a cell becomes specialized
ex: a stem cell becomes a muscle cell |
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Term
| What is homeostasis? Give an example in humans. |
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Definition
how a living thing keeps its internal conditions stable
ex: heart rate, temperature, blood pressure |
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Term
| What 5 things do all living things have in common? |
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Definition
1. made of cells (at least 1)
2. they obtain & use energy
3. they reproduce
4. they grow
5. they evolve & change |
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Term
| An apple falls from the tree and turns brown. Is it considered living? Use the characteristics of life to defend your answer. |
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Definition
| No, it can no longer grow or obtain energy |
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Term
| Is a watermelon seed considered living? Use the characteristics of life to defend your answer. |
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Definition
| Yes, but only if it is given the correct conditions. If its not buried in soil and given water/nutrients, it will not grow or reproduce, evolve, or obtain energy. |
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Term
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Definition
| cells that are not differentiated (they don't have a specific job yet and can become any type of cell) |
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Term
| Why are stem cells so important in science? |
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Definition
| they have the potential to cure diseases, regrow limbs and organs |
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