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Glossary
A B C D E F G H I J
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Z 123
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incomplete dominance
The phenomenon whereby heterozygotes display phenotypic characteristics
intermediate between homozygous dominant and homozygous recessive individuals. |
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inducers
A molecule that interacts directly with DNA or with regulatory proteins to cause
a gene to be expressed. |
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infrared radiation
Electromagnetic radiation between approximately 1000 and 100,000 nm
wavelength. |
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integral membrane protein
A protein that is embedded in a membrane, and maintains active sites on
both sides of the membrane.
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intron
In eukaryotic DNA, a portion of a gene that is not expressed in the polypeptide. |
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ion channels
Integral membrane channels that form passageways through the membrane through
which ions may flow. |
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ionic bond
Ionic bonding is the process of two or more
atoms losing or gaining electrons to become charged ions. The charged ions are
then attracted to each other.
This type of bonding occurs between metals and non-metals. It only occurs if
the overall energy change for the reaction is favorable (the bonded atoms have a
lower energy than the free ones). The larger the energy change the stronger the
bond.
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isotonic
A solution with the same solute concentration as another solution. |
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