|
karyotype:
Full set of chromosomes of a cell arranged with respect to size,
shape, and number.
keratin (cytokeratin):
Member of the family of proteins that form keratin intermediate
filaments, mainly in epithelial cells. Some specialized keratins
are found in hair, nails, and feathers.
ketone:
Organic molecule containing a carbonyl group linked to two alkyl
groups.
kilo- :
Prefix denoting 1E3.
kilocalorie (kcal):
Unit of heat energy equal to 1000 calories. Often used to express
the energy content of food or molecules: bond strengths, for
example, are measured in kcal/mole. An alternative unit in wide
use is the kilojoule, equal to 0.24 kcal.
kilojoule:
Standard unit of energy equal to 1000 joules, or 0.24 kilocalories.
kinesin:
One type of motor protein that uses the energy of ATP hydrolysis
to move along a microtubule.
kinetochore:
Complex structure formed from proteins on a mitotic chromosome
to which microtubules attach and which plays an active part
in the movement of chromosomes to the pole. The kinetochore
forms on the part of the chromosome known as the centromere.
Krebs cycle:
see citric acid cycle
|
