Page numbers followed by “f” indicate figures.

Page numbers followed by “t” indicate tables.

K⁺, 485

K⁺ channels, 476, 476f, 499f, 1040, 1041f

acetylcholine receptors and, 693–694

in bacteria, 498

resting, 497, 498f

resting membrane potential and, 495

voltage-gated, 1035–1037, 1037f, 1042, 1042f

K⁺ pump, 476f

K⁺-channel proteins, 437–438, 437f

Kandel, Eric, 1070

Karyotype, 341, 342

cancer, 1137, 1138f

Kataegis, 1137

KATs. See Nuclear lysine acetyl transferases

KDEL receptor, 647–648, 647f

KDEL sorting signal, 647

Kearns-Sayre syndrome, 528

Kendrew, John, 119

Keratinocytes, 863, 983

Keratins, 863, 863f, 864–865, 865f

Ketamine, 34

Keto groups, 47

KEX2 gene, 657

KH motif, 422

Kidneys, 950

Na⁺/glucose symporters in, 504

Kilocalories, 58

Kinase cascade, 739

Kinase-phosphatase switch, 677f

Kinases, 103. See also specific kinases

immunoprecipitation of, 684

in signaling pathways, 676–677

in synaptic plasticity, 1072–1073

Kindlin, 963

Kinesin-1, 835, 835f, 837f, 838, 838f

ATP cycle, 836–837, 837f

regulation of, 838f

Kinesin-5, 853

Kinesin-13, 853f

Kinesins, 833–844, 836f

spindle pole separation and, 858

Kinetic energy, 57

Kinetochore microtubules, 852

Kinetochores, 347f, 851, 854f, 897

bi-oriented, 913, 917

co-oriented, 917

microtubule attachment, 854, 855–857, 856f, 898, 898f

spindle assembly checkpoint pathway and, 908–909, 908f

Kitasato, Shibasaburo, 1088, 1088f

KKXX sorting signal, 647

Kleisins, 336

Knee-jerk reflex, 1029, 1030f

Knockout mice, 261, 262f, 263f

Kobilka, Brian, 690

Koshland, Daniel, 91

Kozak, Marilyn, 191

Kozak sequence, 191

K-ras gene, 1146

Krebs cycle, 533. See also Citric acid cycle