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5'-phosphate
p
P element
P nucleotide
P-DNA
P1
P1-derived artificial chromosome (PAC)
P53
P:O ratio
pachynema
packaging cell
PAD
PAGE
Paleontology
palindrome
Palindromic sequence
pAMP
Pan balance
pan editing
Panel testing
panmictic
papilla
papillate
paracellular
paracentric inversion
paracrine
paradigm
paradox of Levinthal
parallel synthesis
paralogous
paralogous genes
paralogue
paramagnetic
paramecin
parameters
paranemic
parapatric speciation
Parasegment border
parasexual cycle
parasite
Parasitism
Parasitology
parasympathetic nervous system
paratope
parenchyma
parent generation
parental ditype (PD)
parenteral
parenteral nutrition
PARF
parietal lobes
parthenogenesis
partial digest
particle
particulate inheritance
partition chromatography
partition coefficient
partner
parts per billion (ppb)
Parts per million (ppm)
PAS stain
Pascal's triangle
passive diffusion
passive transport
Pasteur effect
patch-clamp technique
patched circle PCR
patching
paternally
path diagram
pathogen
pathogenesis
pathogenic
pathogenicity
pathology
pathovar
pathway
patroclinous inheritance
pattern formation
paucidisperse
Pauly reaction
pBR 322
pBR322
PCD
PCR
PCR amplification of multiple specific alleles (PAMSA)
PCR amplification of specific alleles (PASA)
PCR-based differential scanning
PD-MS
pedigree
pelagic
Pelham hypothesis
pellet
Pelvic inflammatory disease (PID)
penetrance
pent-
pentacovalent intermediate
pentose nucleic acid
pentose phosphate pathway
pentose shunt
penultimate
peptidase
peptide
peptide bond
peptide site
peptide Velcro
peptidoglycan
peptidomimetic
peptidyl
peptidyl site
peptidyl transferase
peptoid
PER
per-
percent coefficient of variation
percent concentration
percent error
percent yield
perfusion
perfusion chromatography
peri-
peri-natal
pericentric inversion
pericentromere
perifusion
perinatal
perinuclear space
period
periodic acid-Schiff (PAS) stain
periodic law
peripheral membrane protein
peripheral nervous system (PNS)
peripheral neurons
peripheral neuropathy
peripheral protein (extrinsic protein)
peripheral tissue
periphyton
periplasmic space
permeability coefficient
permease
permissive condition
permissive host
permissive temperature
peroxidase
peroxisome (microbody)
Perrin plot
Persistence
PERT
PEST hypothesis
Pest sequence
Pesticide
petite
petite mutation
petrifaction
PFGE
PFU
pH
pH scale
pH stat
pH-jump
phage
phage artificial chromosome (PAC)
phage display
phagemid
phagocytes
phagocytosis
phagolysosome
phagosome
pharmacophore
pharmacotyping
pharming
pharyngeal arches
pharynx
phase problem
phase transition
phasmid
Phencyclidine hydrochloride (PCP)
phenocopy
phenol-emulsion reassociation technique (PERT)
phenotype
phenotypic screening
phenotypic sex determination
phenotypic variance
Phenylalanine
phenylketonuria (pku)
pheromone
phi-angle ( angle)
Philadelphia chromosome
phloem
phorbol ester
phosphagen
Phosphatase
Phosphatasing
phosphate ester
phosphate gripper
Phosphate group
phosphate transfer potential
phosphoacylglycerol (phosphoglyceride)
phosphoanhydride
phosphodiester
phosphodiester bond
phosphodiesterase
phosphogluconate oxidative pathway
phosphoglyceride
phosphoinositide cascade
Phospholipase A2 (PLA2)
phospholipid
phospholipid-transfer protein (exchange protein)
phospholipids
phosphorescence
phosphoroclastic split
phosphorolysis
phosphorothioate
Phosphorus (P)
phosphorylate
phosphorylated sugar backbone
phosphorylated termini
Phosphorylation
phosphorylation potential
photic zone
photo-activated repair
photoaffinity labelling
photoautotroph
photocycle
photoheterotroph
photoisomerization
photoluminescence
photon
photoreactivation
photorespiration
photosynthesis
photosynthetic unit (PSU)
photosystem I (PSI)
photosystem II (PSII)
phototroph
phragmospore
phycobilin
phycofluor
phyletic gradualism
phylloplane
phylogenetic tree
phylogenetic tree (evolutionary tree)
physical change
physical characteristics of a cell
physical chemistry
physical map
phytoextraction
phytofiltration
phytoplankton
phytoplasma
phytoremediation
phytotoxic
phytotoxin
phytovolatilization
Pi
pi electron-pi electron ( electron- electron) interaction
picket fence porphyrin compound
piebald
piezophile
PIG
pigylated
pilus (plural pili)
ping pong
pinocytosis
piperidine
Pipettes
pitch
Pituitary
pK
pKa
PKC
PKS
placebo
placenta
plankton
plant
plant breeding
plaque
plaque assay
plaque hybridization
plaque lift
plaque purification
plaque-forming unit (PFU)
plaques of infected cells
plasma
plasma cell
plasma membrane
plasma-desorption mass spectrometry
plasmalemma
plasmid
plasmid vector
plasmogamy
plasmolysis
plasticity
plastid
plate
platelet
platelet-activating factor (PAF)
pleated sheet
plectonemic
Pleiotrophy
pleiotropic mutation
pleiotropism
pleiotropy
pleo-
plerome
plesionecrosis
pleuropneumonia-like organism
plexus
ploidy
Pluripotency
plus and minus method
PMA
PMN
PNA (pentose nucleic acid)
PNS
poikilothermal
point mutation
Poisson distribution
poky mutation
polar
polar body
polar covalent bond
polar gene conversion
polar granules
polar molecule
polar mutation
polarity
polarity gene
Pole cells
Polishing
Pollen grain
pollinator
Poly(A) polymerase
poly(A) tail
poly-
poly-A tail
poly-dA/poly-dT technique
PolyA tail
polyacrylamide
Polyacrylamide gel electrophoresis
polyadenosine tail
polyatomic
polycistronic
polycistronic mRNA
Polyclonal antibodies
polydactyly
polyethylene
polygene
polygenic
Polygenic disorder
polygenic inheritance
polyinvagination islands
Polylinker
Polymer
Polymerase
polymerase (DNA or RNA)
polymerase chain reaction
polymerase chain reaction (PCR)
polymerase slippage
polymerase slippage model
polymerize
polymodal
polymorphism
polynucleate
Polynucleotide
polynucleotide phosphorylase
polynucleotide polymerase
polyolefin
polypeptide
polyphenism
polyphyletic
polyploid
polysaccharide
polysachharide
polysome
polyspermy
polytene chromosome
Polyvalent vaccine
pons
population
population density
Population genetics
position effect
position-effect variegation
Positional cloning
Positional information
positive assortative mating
positive control
positive interference
post-
post-transcriptional modification
Post-transcriptional regulation
Post-translational processing
Post-translational regulation
posterior neuropore
postmortem
postreplicative repair
Postsynaptic Membrane
potential energy
potentiometric titration
Potter-Elvehjem homogenizer
PPi
pre-
pre-mRNA
pre-symptomatic
pre-synaptic terminal
precipitate
precision
precocious
predation
predator
preemptor stem
preformationism
Premarket Approval
prey
Pribnow box
Primary cell
primary consumer
primary oocyte
primary spermatocyte
primary structure
primary transcript
primase
primer
Primer extension
primer-dependent
primer-independent
primitive folds
primitive streak
primosome
prion
prion rods
pro-inflammatory cytokines
probability
probability theory
probe
Probe Amplification
processing
processivity
producer
product
product of meiosis
product rule
proflavin
progeny testing
prokaryote
prokaryotic cell
prolepsis
proliferate
Proline
promoter
Pronucleus
proofread
prophage
prophase
proplastid
propositus
prosencephalon
prostaglandins
prostate gland
protamine
protease
proteasome
protein
protein aggregate
protein assembly machinery of a cell
protein complex
protein contaminant
Proteins
Proteolytic
Proteome
Proteomics
proto-oncogene
protocorm
proton
proton acceptor
proton donor
proton gradient
protoplast
protostomes
prototroph
provirus
prox-
proximal
PrP
PS-SPCL
pseudo-
pseudoallele
pseudoautosomal gene
pseudodominance
pseudogene
pseudouracil
PUFA
pull down assays
pull-down assays
pulse-chase experiment
pulsed-field gel electrophoresis
punctuated equilibrium
Punnett square
pure-breeding line or strain
purine
purines
Purkinje cells
putamen
pycnosis
pygmism
pyknosis
pyramidal nerve cells
pyriform
pyrimidine
pyruvate
pyruvic acid

If you know of any terms that have been omitted from this glossary that you feel would be useful to include, please send details to the Editorial Office at GenScript.