Term
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Definition
The movement of a substance across a biological membrane aganist its concentration gradient with the help of energy input and specific transport proteins.
Chapter 4, Unit 2 |
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Term
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Definition
In natural selection, a hereditary characteristic of some organisms in a population that improves their chances for servival and reproduction in their environment compared with the chanes of other organisms in the population.
Chapter2, Unit 1; Chapter 3, Unit 1 |
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Term
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Definition
Occurring or living in the presence of free or dissolved oxygen.
Chapter7, Unit 3 |
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Term
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Definition
One or two or more possible forms of a gene, each affecting the hereditary trait somewhat differently.
Chapter 11, Unit 4 |
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Term
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Definition
A digestive enzyme found in saliva.
Chapter 7, Unit 3 |
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Term
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Definition
Occurring or living in conditions without free oxygen.
Chapter 7, Unit 3 |
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Term
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Definition
A blood protein produced in response to an antigen, with which it combines specifically; antibodies block the ability of pathogens or foreign material to injure the body.
Chapter 6, Unit 2 |
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Term
| antibody - mediated response |
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Definition
Immune response in which B-cells produce antibodies to bind with and mark antigens for destruction by nonspecific defenses; initiated by helper T-cells.
Chapter 6, Unit 2 |
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Term
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Definition
Any material, usually a protein, that is recognized as foreign and raises an immune response.
Chapter 6, Unit 2 |
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Term
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Definition
A drug found in medicines used to counteract the histamine response.
Chapter 6, Unit 2 |
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Term
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Definition
Material remains, such as pieces of pottery, tools, and textiles, that are cultural evidence.
Chapter 2,Unit 1 |
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Term
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Definition
Any method of reproduction that requires only one parent or one parent cell.
Chapter 10, Unit 4 |
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