Phototaxis, 71
Phycobilins, 99, 173
Phycology, 5
Phyla, 144–145, 151, 153
Picornaviruses, 190
Pili, 71–72
Pinocytosis, 77, 81
Pinworms, 182
Placebo, 205
Plasma membrane inhibitors, 241
Plasmid, 132
Plasmodium, 178
Polyenes, 243
Polymerase chain reaction (PCR), 133–134
Polymers, 39–40
Polysaccharides, 41
Porin, 234
Poxviridae, 190
Praziquantel, 245
Precipitation reaction, 226
Precursor metabolites, 87
Prions, 193
Prodromal period, 204
Product, 29, 34
Prokaryotic organisms, 4
archaea. SeeArchaea
bacteria. SeeBacteria
cells of
cell wall, 72–73
cytoplasmic membrane
fluid mosaic model, 74–75
function of, 75–76
group translocation, 76
introduction, 73–74
cytosol and cytoplasm, 77
endocytosis, 76–77
eukaryotic cells, differences from, 69
exocytosis, 76–77
inclusions, 78
introduction, 68–69
parts of
fimbriae, 71
flagella, 70–71
glycocalyx, 70
pili, 71–72
ribosomes, 77–78
Promotor site, 123
Propionibacterium, 164
Protease, 98
Proteins, 41–42
catabolism, 98
inhibitors
aminoglycosides, 240
chloramphenicol, 241
macrolides, 241
tetracyclines, 240
synthesis, 42–44, 123–124
Protons, 25
Protozoa, 5
amoeba flagellates, 175–176
apicomplexans, 178
ciliates, 177
introduction, 174–175
nutrition, 175
of blood and tissue, 177
Protozoology, 5
Prusiner, Stanley, 193
Pseudomonads, 155
Pseudopods, 80, 175
Purines, 122
Pyrimidines, 122
Pyruvic acid, 94
Q
Quarantine, 3, 205
Quinacrine, 244
Quinolones, 242
R
Radioactivity, 27
Reactants, 29, 34
Reading frame, 123
Recombinant DNA technology, 132
agricultural applications, 135–136
DNA fingerprinting, 134–135
gene therapy, 134
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