Term
The look and component of cells rely on what? |
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Definition
-The type of cell
- The function of the cell |
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Term
How might cells differ from each other? |
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Definition
-Shape,
-Size,
-Number & types of structures inside
- & Chemical actions which occur |
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Term
Describe the function and structural adaptation of a leaf epidermis? |
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Definition
Leaf epidermis' function is Protection.
They have waxy cuticle cells that are packed closely & thick cell walls. |
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Term
Describe the function and structure of root hairs. |
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Definition
Root hairs' function is Absorption
They have a large surface area. |
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Term
Describe the function and structure of Phloem? |
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Definition
-Phloem cells transport sugar
-They have sieve plates, companion cells and sieve tube (they are living) |
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Term
Function & structure of Xylem? |
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Definition
-Xylem cells transport water and minerals from roots to plant
-Also provide Support.
They have hollow tubes, and walls thickened with rings of lignin |
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Term
Function & structure of parenchyma? |
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Definition
-Parenchyma provides support & storage
-Support: large vacuole ( cells push against each other when turgid)
-Storage: sugars & salts in vacuole |
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Term
Function & structural adaptation of Palisade Mesophyll? |
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Definition
-Function is Photosynthesis
-Contains many chloroplasts |
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Term
Function & adaptation of cheek cells? |
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Definition
-Protection
-close fitting cells
-layers of cells,outer layers rub off |
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Term
Function & adaptation of kidney tubule cell? |
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Definition
-Absorption
-large surface area |
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Term
Function & adaptation of goblet cell (trachea)? |
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Definition
-Secretion
-large numbers of golgi bodies |
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Term
Function & adaptation of cilliated epithelium
(trachea)? |
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Definition
-Movement
-Cilia; which beats to move mucus |
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Term
Function & adaptation of skeletal muscle cell? |
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Definition
-Movement by contracting
-many mitochondrion which provide energy (energy is needed to contract) |
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Term
Function & adaptation of red blood cell? |
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Definition
-Transport
-Large surface area
-Contains haemoglobin |
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Term
Definition of unicellular organisms with examples? (4) |
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Definition
-Organisms that carry out all their life processes within a single cell
-E.g. amoeba, paramecium, euglena & yeast. |
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Term
Function & adaptation of Paramecium? |
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Definition
-Cilia: tiny hairs which beat to allow movement (of mucus)
-Contactile Vacuole: osmoregulation
(excess water gathered & expelled) |
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Term
Function & adaptation of Euglena? |
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Definition
-Chloroplasts: site of photosynthesis
-Flagellum: beats for movement |
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