Term
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Definition
Long strands of DNA containing genes.
Found in 23 pairs in a human. |
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Term
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Definition
The process the cell goes through to
divide. |
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Term
|
Definition
A type of cell division that creates 2
identical daughter cells. |
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Term
| What is therapeutic cloning? |
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Definition
| Using an embryo to create the same genes as the patient. Controversial. |
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Term
|
Definition
The passive movement of a substance from
an area of high concentration to an area
of low concentration |
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Term
|
Definition
The movement of water molecules across a
partially permeable membrane from a less
concentrated solution to a more
concentrated solution. |
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Term
| What is active transport? |
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Definition
The movement of a substance from a lower
concentration to a higher concentration,
against the concentration gradient. Uses
energy. |
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Term
| What is the surface area to volume ratio? |
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Definition
The surface area divided by the volume
expressed as a ratio. |
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Term
| Give some examples of diffusion? |
|
Definition
-Oxygen and carbon dioxide in
the lungs
-Perfume in a room |
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Term
| Give some examples of osmosis? |
|
Definition
-Water uptake in plants
-Water absorption in the
intestine |
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Term
| Give some examples of active transport? |
|
Definition
-Mineral absorption by roots
-Glucose absorption by the
intestine |
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Term
| Give some examples of surface are to volume ratio? |
|
Definition
-Unicellular organisms
-Alveoli in the lungs
-Villi in the intestines |
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