Page numbers followed by “f” indicate figures.
Page numbers followed by “t” indicate tables.
N6 methylation, 447
Na+, 485
action potential magnitude and, 1034–1035
Na+ channels, 1034–1035, 1035f
Na+/amino acid symporters, 504, 505f
N-acetylglucosamine, 637f
N-acetylglucosamine phosphotransferase, 655
NaCl. See Sodium chloride
NAD+. See Nicotinamide adenine dinucleotide
NADH, 63, 64f, 516, 518, 519f, 532, 533
cytosol and matrix concentrations of, 535–536, 536f
electron transfer from, 539–540, 540f
oxidation of, 539
NADH dehydrogenase-
NADH-
NADP+. See Nicotinamide adenine dinucleotide phosphate
Na+/H+ antiporter, 505
Na+HCO3–/Cl– antiporter, 505
Naive lymphocytes, 1091–1093
Na+-linked Ca2+ antiporters, 504–505
Na+-linked symporters, 502–504, 503f
NALP. See Neuronal inhibitors of apoptosis
Na+/lysine symporter channel, 476f
Nascent cell plate, 860
National Center for Biotechnology Information (NCBI), 323, 411
National Human Genome Research Institute, 411
National Institutes of Health, 323
Natural killer cells (NK cells), 1082, 1086, 1086f, 1123
Natural selection, 1
Natural Tregs, 1124
NCAM. See Neural cell adhesion molecule
Ndc80, 899
NE. See Neuroepithelium
Near-
Nebulin, 805
Necrosis, 1011
NECs. See Neuroepithelial cells
Negative feedback mechanisms, 876
Negative staining, 157–158, 157f
NELF, 377
NEM. See N-ethylmaleimide
Neoblasts, 988
Nerve growth factor (NGF), 734, 1016, 1017f
Nervous system, 1025–1026
feedback circuits in, 1028
signaling circuits, 1028–1029
NES. See Nuclear-
Nesprins, 865
N-ethylmaleimide (NEM), 644
Neural cell adhesion molecule (NCAM), 965, 1072
Neural growth cones, 868, 868f
Neural stem cells (NSCs), 1031–1033, 1032f
Neural tissue, 921
Neuraminidase, 596
Neurites, 1016
Neurodegeneration, 1022
Neuroepithelial cells (NECs), 1031
Neuroepithelium (NE), 1032f
Neurofascin155, 1046
Neurofascin186, 1046
Page I-23
Neurofibromas, 1160
Neurofilaments, 863, 864, 864t
Neurogenesis, 1033f
Neuroglia. See Glial cells
Neurological disorders, alternative RNA splicing abnormalities and, 438, 438t–439t
Neuromodulatory inputs, 1026
Neuromuscular junction (NMJ), 1050, 1050f, 1058f
Neuronal inhibitors of apoptosis (NALP), 1126
afferent, 1028
alternatively spliced mRNAs and, 438
apoptosis and, 1015–1017
axonal transport on, 833–834, 834f
dendritic spines in, 1071f
efferent, 1029
formation of, 1031–1033, 1032f
gap junctions connecting, 942, 1060
glial cells supporting, 1029–1031
GLUT3 in, 480
information flow between, 1028
information flow through, 1027
interneurons, 1026, 1029, 1030f
key features, 1027
memory formation and, 1070–1071
mitral, 1067
morphology of, 1027f
motor, 1016, 1016f, 1026, 1029
nociceptive, 1017
olfactory receptor, 1067, 1067f, 1068–1069, 1068f
projection, 1067
receptor, 1028
sensory, 1016, 1017f, 1026, 1028, 1071
signaling circuits composed of, 1028–1029
Neurotransmitter receptors, 693
Neurotransmitters, 693, 1028, 1029f
cycling of, 1053f
degradation and reuptake of, 1057
duration of signal, 1048
release of, 1054–1055
structures of, 1052f
transport into synaptic vesicles, 1052–1054
Neurotrophin-
Neurotrophins, 1015–1017
cancer defenses, 1131
Nexin, 844
NF-
NF-
NGF. See Nerve growth factor
NHEJ. See Nonhomologous end joining
Nicotinamide adenine dinucleotide (NAD+), 63, 64f, 95, 516, 518, 519f, 532, 533
cytosol and matrix concentrations of, 535–536, 536f
Nicotinamide adenine dinucleotide phosphate (NADP+), 563
Nicotinic acetylcholine receptor, 1057, 1058–1059, 1059f
Nidogen, 945
Nitric oxide (NO), 714–716, 715f
Nitrogen mustards, 1143
Nitroglycerine, 714
NK cells. See Natural killer cells
N-linked oligosaccharides, 605, 635, 637, 954
in Golgi cisternae, 648f
rough ER and, 601–602, 602f, 603f
NLSs. See Nuclear-
NMD. See Nonsense-
NMJ. See Neuromuscular junction
NMR. See Nuclear magnetic resonance
NMR spectroscopy, 121
NO. See Nitric oxide
Nobel, Alfred, 714
Nociceptive neurons, 1017
Nociceptors, 1062
Nomarsky interference microscopy. See Differential-
Noncovalent binding
allosteric regulation and, 100–101
of calcium and GTP, 101–102, 101f
Noncovalent interactions, 33–40
defining, 33
hydrogen bonds, 37–38
molecular complementarity due to, 40, 40f
of phospholipids, 48–50
strength of, 36
van der Waals interactions, 38–39, 39f
Nonfunctional DNA, 309–310
Nongated channels, 476, 495–501, 497
Nonhomologous end joining (NHEJ), 208–209, 208f, 267f, 907
Non-
Non-
Nonpermissive temperature, 21, 228, 229f
Nonpolar bonds, 34
Nonprotein-
Nonsense mutations, 196–197, 204, 225
Nonsense suppression, 196–197
Nonsense-
Non-
Non-
Noonan syndrome, 102
Norepinephrine, 687, 808, 1026, 1052f, 1057
Northern blotting, 247
Notch signaling pathway, 607
Notch/Delta pathway, 761–763, 762f
Notum, 754
Novrad, 34
Noxa, 1020–1021
NPCs. See Nuclear pore complexes
NPF. See Nucleation promoting factor
NPXY sorting signal, 661
NrCAM, 1046
NRG1, 763
NRG2, 763
NSCs. See Neural stem cells
NSF, 644
NSREBP. See Nuclear SREBP
NT-
N-
N-
N-
Nuclear basket, 441
Nuclear cap-
breakdown of, 897
lamins in, 865
mitotic CDKs and, 897
mRNA transport across, 440–445
reassembly in telophase, 903, 903f
Nuclear eukaryotic DNA, major classes of, 306t
Nuclear exoribonucleases, 432
of mRNA, 627
nuclear transport receptors in, 625–627, 626f
Nuclear export factor 1 (NXF1), 441, 627
Nuclear export transporter 1 (NXT1), 441, 627
Nuclear lamina, 14, 865, 866f, 897, 897f
Nuclear lysine acetyl transferases (KATs), 332
Nuclear magnetic resonance (NMR), 121
Nuclear membrane, 14
Nuclear mRNPs, 419
Nuclear paraspeckles, 469
Nuclear pore complexes (NPCs), 14, 440, 442–443, 443f, 464, 622, 623f
mRNP export directionality across, 441–442, 442f
Nuclear pores, 622
Nuclear receptors, 386
domain structure, 400
hormones regulating, 400, 400f, 402, 403f
response elements, 400, 401f, 402
Nuclear SREBP (nSREBP), 766
Nuclear transcription factors, 1160–1161
Nuclear transport receptors
in nuclear export, 625–627, 626f
in nuclear import, 624–625, 625f
Nuclear-
Nuclear-
Nuclear-
Page I-24
Nucleation promoting factor (NPF), 787–788, 791f, 815
bases of, 46f
structure of, 169–175
Nucleocapsid, 213
Nucleolar organizers, 336, 461–462, 462f
Nucleolus, 13f
pre-
Nucleoplasm, 14
Nucleosomes, structure of, 328, 329f
in nucleic acids, 45–46, 45f, 46t
pre-
spindle position checkpoint pathway and division of, 909–911, 909f
structure of, 15f
transport into and out of, 622–627
NudE, 841
Nüsslein-
NXF1. See Nuclear export factor 1
NXT1. See Nuclear export transporter 1