Abjad K

JEJAK MAHASISWA	..:: KAMUS BIOLOGI JEJAK MAHASISWA ::..															Dibuat 12/19/2011
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Glosarium ini diambil dari Buku Biologi Campbell | Jejak Mahasiswa

karyogamy

The fusion of nuclei of two cells, as part of syngamy.

karyotype

(KAR-ee-oh-type) A method of organizing the chromosomes of a cell in relation to number, size, and type.

keystone predator

A predatory species that helps maintain species richness in a community by reducing the density of populations of the best competitors so that populations of less competitive species are maintained.

kilocalorie (kcal)

1000 calories; the amount of heat energy required to raise the temperature of 1 kg of water 1 degree Celsius.

kin selection

A phenomenon of inclusive fitness, used to explain altruistic behavior between related individuals.

kinesis

(kih-NEE-sis) A change in activity rate in response to a stimulus.

kinetic energy

(kih-NET-ik) The energy of motion, which is directly related to the speed of that motion. Moving matter does work by transferring some of its kinetic energy to other matter.

kinetochore

(kih-NET-oh-kor) A specialized region on the centromere that links each sister chromatid to the mitotic spindle.

kingdom

A taxonomic category, the second broadest after domain.

Koch's postulates

A set of four criteria for determining whether a specific pathogen is the cause of a disease.

Krebs cycle

A chemical cycle involving eight steps that completes the metabolic breakdown of glucose molecules to carbon dioxide; occurs within the mitochondrion; the second major stage in cellular respiration.

K-selection

The concept that in certain (K-selected) populations, life history is centered around producing relatively few offspring that have a good chance of survival.