The process in which the folding structure of a protein is altered, so it is biologically inactive.
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Diffusion
The net movement of particles/molecules from an area of high to low concentration.
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Eukaryotic Cell
Multicellular organisms. Cells consist of a nucleus surrounded by a membrane. The DNA is bound together by proteins in the chromosome. Also contain specialised organelles.
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Gamete
A sex cell that contains the haploid set of chromosomes.
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Immunity
The protection against infectious diseases.
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Monomer
A molecule that can react chemically to another molecule of the same type to form a larger molecule.
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Polymer
A compound made up of several repeating units.
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Phospholipid
A lipid with one or more phosphate groups attached to it.
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Exocytosis
A cellular process where cells eject waste products from the interior of the cells.
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Vector
An organism that transmits an infective agent from one host to another.
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Countercurrent System
When substances travel in opposite directions but adjacent and parallel to another.
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Active Transport
The net movement of particles from an area of low to high concentration.
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Osmosis
The net movement of water particles from an area of high to low concentration; across a partially permeable membrane.
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Homeostasis
The tendancy of an organism or cell to regulate its internal conditions.
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Haploid
A cell or organism having half of the number of chromosomes than a somatic cell.
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Diploid
A cell or an organism consisting of 2 sets of chromosomes.
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Prokaryotic Cell
Single-cellular organisms. Their DNA is free in the cytoplasm.
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Substrate
The substance that is broken down by an enzyme.
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Vasodilation
Blood vessels close to the skoin dilate/widen so more blood can flow near the skin. This increases heat loss as more heat can radiate to the surroundings.
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Tissue Fluid
The fluid that bathes and surrounds the cells of multicellular organisms.
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Hydolysis
The chemical breakdown of a compound due to a reaction with water.
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Antigen
A toxin or other foreign substance which induces an immune response. A unique molecule on the surface of every pathogen.
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Other cards in this set
Card 2
Front
The net movement of particles/molecules from an area of high to low concentration.
Back
Diffusion
Card 3
Front
Multicellular organisms. Cells consist of a nucleus surrounded by a membrane. The DNA is bound together by proteins in the chromosome. Also contain specialised organelles.
Back
Card 4
Front
A sex cell that contains the haploid set of chromosomes.
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