1
--the transmission of qualities from ancestor to descendent
$
2
--combined with oxygen
$
3
--a substance that initiates a chemical reaction and enables it
to proceed under different conditions than otherwise possible
$
4
--carbohydrates that can be decomposed by hydrolysis into two or
more molecules of monosaccharides
$
5
--minute cylindrical structures in cells that are widely
distributed in protoplasm and are made up of protein subunits
$
6
--a specialized cellular part found in a cell; analagous to an
organ. Chloroplasts, mitochondria, and ribosomes are examples of
organelles.
$
7
--numerous complex proteins that are produced by living cells and
catalyze specific bio-chemical reactions at body temperatures
$
8
--does not have a distinct nucleus
$
9
--composed of one or more cells with visibly evident nuclei
$
10
--a round or long cellular organelle that is found outside the
nucleus, produces energy for the cell through cellular
respiration;it is rich in fats, proteins, and enzymes
$
11
--the protoplasm of a cell outside the nuclear membrane
$
12
--a pair of cellular organelles that are adjacent to the nucleus,
function in the formation of the mitotic apparatus, and consist
of a cylinder with nine microtubules arranged in a circle 
$
13
--living, active, or occurring in the absence of free oxygen
$
14
--containing three carboxyl groups in the molecule
$
15
--an enzymatically controlled transformation of an organic
compound
$
16
--the process of combining with phosphoric acid or a
phosphorous-containing group
$
17
--Flavin Adenine Dinucleotide-a coenzyme of some flavoproteins
$
18
--a phosphorylated nucleoside of adenine that supplies energy for
many biochemical cellular processes by undergoing enzymatic
hydrolysis
$
19
--the enzymatic breakdown of a carbohydrate by use of phosphate
derivatives with the production of pyruvic or lactic acid and
energy stored in high-energy phosphate bonds of ATP
$
20
--Adenosine Diphosphate-an ester of adenosine that is reversibly
converted to ATP for the storing of energy by the addition of a 
high-energy phosphate group
$
21
--the radical of acetic acid
$
22
--plastids that contain chlorophyll and are the site of
photosynthesis and starch formation
$
23
--synthesis of chemical compounds with the aid of radiant energy,
especially light
$
24
--oxidation involving the production of carbon dioxide during
photosynthesis
$
25
--quantums of radiant energy
$
26
--synthesis that occurs in a plant using radiant energy absorbed
during photosynthesis
$
27
--the base on which an organism lives;or --a substance acted upon
$
28
--a thermostable nonprotein compound that forms the active
portion of an enzyme system after combination with an apoenzyme
$
29
--relating to the activity of a protein by combination with
another substance at a point other than the chemically active
site
$
30
--the initial stage of mitosis or meiosis
$
31
--the interval between the end of one mitotic or meiotic division
and the start of another
$
32
--a stage of mitosis and meiosis
$
33
--the final stage of mitosis; or --a stage in meiosis, usually
the final
$
34
--a stage of mitosis and meiosis
$
35
--having the basic number of chromosomes doubled
$
36
--having the basic number of chromosomes halved
$
37
--internal secretion that inhibits mitosis in a specific tissue
$
38
--having the same relative position or structure
$
39
--a group of four cells
$
40
--a mature male or female germ cell
$
41
--a base that is a constituent of DNA or RNA
$
42
--a base that is a constituent of DNA or RNA
$
43
--basic structural units of RNA and DNA
$
44
--the combination of an operator and the structural genes it
regulates
$
45
--a chrystaline sulfur-containing essential amino acid
$
46
--a heat-stable soluble basic antiviral glycoprotein of low
molecular weight
$
47
--the transfer of genetic determinants from one microorganism to
another by a viral agent
$
48
--any of various specific bacteriolytic viruses
$
49
--cycle of virus reproduction which harbors a prophage as
hereditary material
$
50
definition deleted
$
51
definition deleted
$
52
--the visible properties of an organism that are produced by
the interaction of the genotype and the environment
$
53
--all or part of the genetic constitution of an individual or
group
$
54
--a pair of alternative Mendelian characters; or --a group of
genes that occur alternatively at a given locus
$
55
--positions of genes and alleles in a chromosome
$
56
definition deleted
$
57
--a small two-winged fly
$
59
--the cellular process that results in the number of chromosomes
in gamete-producing cells being reduced to one half
$
60
--a cell formed by the union of two gametes
$
61
--a sex-linked hereditary blood defect almost exclusively of
males
$
62
--the beginning or undeveloped state of something
$
63
--any of several intracellular hemoprotein respiratory pigments
$
64
--relating to the course of development of something
$
65
--any of a family of bipedal primate mammals
$
66
--having a spinal column
$
67
--a complex tissue in the vascular system of higher plants
$
68
--a complex tissue in the vascular system of higher plants
$
69
--a thin formative layer between the xylem and phloem of most
vascular plants
$
70
--falling off seasonally or at a certain stage of development in
the life cycle
$
71
--the innermost tissue of the cortex in many roots and stems
$
72
--minute openings in the epidermis of a plant organ through which
"breathing" takes place
$
73
--increase in numbers
$
74
--the individual or generation of a plant exhibiting alternation
of generations that bears sex organs
$
75
--a vascular plant having the seeds in a closed ovary
$
76
--a small egg in an early stage of growth
$
77
--the part of a stamen that develops and contains pollen
$
78
--the part of the pistil of a flower which receives the pollen
grains and on which they germinate
$
79
--the primary bud of a plant embryo
$
80
--the first pair of leaves developed by the embryo of a plant
$
81
--a tissue in seed plants formed within the embryo sac
$
82
--the lower part of the axis of a plant seedling
$
83
--the part of the axis of a plant seedling below the cotyledon
$
84
--beginning to grow
$
85
--having at least one stamin
$
86
--having a carpel
$
87
--relating to both stomach and intestine
$
88
--a dark brown or black animal or plant pigment
$
89
--fatty lubricant matter secreted by glands of the skin
$
90
--solid acohols widely distributed in animal and plant lipids
$
91
--a reddish yellow pigment occurring in bile, blood, urine, and
gallstones
$
92
--a green pigment occurring in bile
$
93
--a hormone secreted by the duodenal mucosa that regulates the
emptying of the gallbladder and secretion of enzymes by the
pancreas
$
94
--a yellow or greenish fluid secreted by the liver and passed
into the duodenum
$
95
--a pancreatec proteinase that acts on proteins by breaking
internal peptide bonds
$
96
--the last division of the small intestine
$
97
--between an atrium and venticle of the heart
$
98
--that which engulfs foreign material and consumes debris and
foreign bodies
$
99
--white blood cell
$
100
--a leucocyte or other granulocyte readily stained by eosin
$
101
--a leucocyte with basophilic granules
$
102
--a finely granular cell that is the cief phagocytic leucocyte of
the blood
$
103
--a large phagocytic leucocyte with basophilic cytoplasm
containing faint eosinophilic granulations
$
104
--colorless weakly motile cells produced in lymphoid tissue
$
105
--a phagocytic tissue cell that functions in the protection of
the body against infection and noxious substances
$
106
--fever-producing substances
$
107
--vertibrate serum proteins
$
108
--a compound found in many animal tissues probably responsible
for dilation and increased permeability of blood vessels which
play a major role in allergic reactions
$
109
--a basic bacteriolytic protein that is present in egg white and
in human tears and saliva and that functions as a mucolytic
enzyme
$
110
--urination
$
111
--an iron-containing conjugated protein respiratory pigment
occurring in the red blood cells of vertebrates
$
112
--a ciliate protozoan that has an elongate body rounded at the
anterior end and an oblique funnel-shaped buccal groove bearing
the mouth at the extremity
$
113
--relating to the thorax
$
114
--a multinucleate mass of protoplasm resulting from fusion of
cells
$
115
--contractile elements of a muscle cell that are composed of
myosin and actin
$
116
--a unit of striated muscle fibrils
$
117
--a protein of muscle that is active in muscular contraction
$
118
--a fibrous globulin of muscle that can split ATP
$
119
--a protein of muscle that forms a complex with troponin
regulating the interaction of actin and myosin in muscular
contraction
$
120
--a protein of muscle that forms part of a regulatory protein
complex with tropomyosin controlling the interaction of actin and
myosin
$
121
--the cytoplasm of a striated muscle fiber
$
122
--a red iron-containing protein pigment in muscles that is
similar to hemoglobin
$
123
--large spaces under the arachnoid membrane; or --interconnected
flattened vesicles or tubules comprising the endoplasmic
reticulum
$
124
--relating to the wall of the body
$
125
--being an axon arising from a cell body within an autonomic
ganglion
$
126
--a compound released at autonomic nerve endings
$
127
--masses of nerve tissue containing nerve cells external to the
brain or spinal cord
$
128
--successive waves of involuntary contraction passing along the
walls of the intestine or other hollow muscular srructure and
forcing the contents onward
$
129
--relating to the endocrine gland or secretion
$
130
--process of releasing some material
$
131
--relating to a secretion that is released outside its source
$
132
--impaired or abnormal functioning
$
133
--forming a gastrula, an early metazoan embryo
$
134
--origin and development of bodily organs
$
135
--the middle of the three primary germ layers of an embryo
$
136
--a vascular fetal membrane
$
137
--formation and maturation of the egg
$
138
--an egg before maturation; or --a female gametocyte
$
139
--relating to meiosis
$
140
--first created or developed
$
141
--the process of male gamete formation including meiosis and
transformation of the four resulting spermatids into spermatozoa
$
142
--the embryo-forming portion of an egg with discoidal cleavage
usually appearing as a small disc on the upper surface of the
yolk mass
$
143
--cellular organisms that do not have distinct nuclei
$
144
--not living
$
145
--a coloring matter in plants and animals especially in a cell or
tissue; or --any of various related colorless substances
$
146
--one haploid set of chromosomes with the genes they contain
$
147
--causing agents of disease
$
148
--consisting of diatoms or their remains
$
149
--emitting light
$
150
--plants made up of algae and fungus growing in a symbiotic
relationship on a solid surface
$
151
--marine plankton usually solitary phytoflagellates that include
luminescent forms, forms important in marine food chains, and
forms causing red tide
$
152
--any of a group of unicellular or acelluar organisms
$
153
--relating to a channel for the conveyance of a body fluid
$
154
--plural of genus
$
155
--a showy gymnospermous tree of eastern China with fan-shaped
leaves and yellow fruit often grown as a shade tree
$
156
--nonflowering plants comprising the mosses and liverworts
$
157
--radially symetrical coelomate marine animals including the
starfishes, sea urchins, and related forms
$
158
--chordates that have an outgrowth in the proboscis
$
159
--segments of a tapeworm containing both male and female
reproductive organs
$
160
--any of a class or phylum of elongated cylindrical worms
parasitic in animals or plants or free-lining in soil or water
$
161
--animals having at least at some stage of development a
notochord,dorsally situated central nervous system, and gill
clefts and including the vertebrates, lancelets, and tunicates
$
162
--relating to internal organs located in the lower torso
$
163
--any of a family of mostly extinct fishes
$
164
--those which have hooves
$
165
--the large front portion of the brain
$
166
--feeding on both animal and vegetable substances
$
167
--the complex of a community and its environment functioning as
an ecological unit in nature
$
168
--relating to an atom or group of atoms which has a positive or
negative charge
$
169
--nonionic; formed by shared electrons
$
170
--a sweet, syrupy alcohol
$
171
--a coenzyme
$
172
--the sum of the processes in the buildup and destruction of
protoplasm
$
173
--requiring expenditure of energy
$
174
--round or long cellular organelles that are found outside the
nucleus, produce energy for the cell through cellular
respiration, and are rich in fats, proteins, and enzymes
$
175
--RNA-rich cytoplasmic granules that are sites of protein
synthesis
$
176
--an element of the germ plasm having a specific function in
inheritance
$
177
--a process that results in the formation of two new nuclei each
having the same number of chromosomes as the parent nucleus
$
178
--each member of a pair of sister chromosomes joined by a single
centromere
$
179
--the point on a chromosome by which it attaches to the spindle
in mitosis
$
180
--the paralleled alignment of homologous chromosomes during the
first division of meiosis
$
181
--a harmless bacteria found in the intestines
$
182
--an offspring of two animals or plants of different varieties
$
183
--not a sex gene
$
184
--small, degenerate, imperfectly developed in comparison to one
more fully developed
$
185
--any change in the genetic constitution of an organism
$
186
--hidden by the contrasting dominant allele
$
187
--determining the phenotype of a heterozygous individual
$
188
--not sex chromosomes
$
189
--a complex structure present in the nucleus of a eucaryotic
cell, composed of DNA, RNA, and proteins; and bearing part of the
genetic information of the cell
$
190
--transfer of a part of a chromosome to a different part of a
homologous or nonhomologous chromosome
$
191
--an organism or one of its parts composed of cells of more than
one genotype
$
192
--outside the nucleus
$
193
--chromosomes that consist of many parallel, identical chromatids
that remain paired through repeated duplication. i.e. Fly
salivary gland chromosomes are polytene.
$
194
--transmitted by a gene in the nonhomologous portion of the Y
chromosome
$
195
--having different alleles of a given gene on the pair of
homologous chromosomes carrying that gene
$
196
--having identical alleles of a given gene on both homologous
chromosomes
$
197
--an angiosperm plant in which the embryo produces two leaves
prior to germination
$
198
--a plant in which the embryo produces but a single seed leaf
$
199
--a woody vascular seed plant that produces naked seeds not
enclosed in an ovary and that in some instances has motile
spermatozoids
$
200
--in plants, a chemical substance that regulates growth by
affecting cell elongation
$
201
--in plants, a natural growth regulator that promotes the
ripening of fruit
$
202
--a plant tissue characterized by cell division through which
specialized plant tissues are formed
$
203
--the loss of water through the leaves of a plant
$
204
--the pressure in a plant cell as a result of the osmotic
concentration of the cell
$
205
--the external, usually green or leafy part of a flower
$
206
--all of the petals of a flower
$
207
--the anther-bearing stalk of a stamen
$
208
--a pointed sheath covering the shoot of a grass seedling
$
209
--the stalk bearing the stigma; or --a stalk of the pistil on
flowering plants
$
210
--in plants a large haploid spore that produces a female
gametophyte
$
211
--in plants, a small haploid spore that produces a male
gemetophyte
$
212
--the external envelope of a flower especially when not
differentiated as a calyx and corolla
$
213
--the portion of the axis of a plant embryo or seedling above the
cotyledonary node
$
214
--relating to the chief artery or pair of arteries that pass up
the neck and supply the head with blood
$
215
--a plasma protein produced in the liver
$
216
--an enzyme
$
217
--a globulin that is produced in the liver
$
218
--a white insoluble fibrous protein
$
219
--a complex protein
$
220
--the lymphatic vessels arising from the villi of the small
intestine
$
221
--narrowing of the lumen of blood vessels
$
222
--relating to a bodily humor, such as a hormone
$
223
--substances capable of stimulating an immune response
$
224
--situated or extending between the ribs
$
225
--lining each half of a mammal`s thorax and folded back
over the surface of the lung of the same side
$
226
--a fibrous protein found in bone and connective tissue
$
227
--the flexible organic material of the exoskeleton of insects and
other arthropods, consisting of a polysaccharide-protein complex
$
228
--lacking a myelin sheath
$
229
--relating to the annular suspension of the lens of the eye
$
230
--colorless plastids especially in the cytoplasm of interior
plant tissues that are potentially capable of developing into
chromoplasts
$
231
--cytoplasmic organelles of photosynthetic cells that serve in
many cases as centers of special metabolic activities
$
232
--extrachromosomal rings of DNA that replicate artonomously in
bacteria
$
233
--aggregates of colloidal droplets held together by electrostatic
attractive forces
$
234
--not free to move about
$
235
--flowering plants; or --seeds contained in an ovary
$
236
--the individual or generation of a plant exhibiting alternation
of generations that bears asexual spores
$
237
--coral islands consisting of a reef surrounding a lagoon
$
238
--the total weight of living organisms found in a given area
$
239
--professionals who classify plants and animals according to
their presumed natural relationships
$
240
--a nonmetallic element that is the simplest and lightest of the
elements, is normally a colorless odorless highly flammable
diatomic gas, and is used especially in synthesis
$
241
--not living
$
242
--living
$
243
--an interaction of chemical entities causing a transformation or
change
$
244
--a substance regarded as a means of transmission of a force or
effect
$
245
--a chemical reaction involving union between molecules often
with elimination of a simple molecule to form a new more complex
compound of often greater molecular weight
$
246
--an extremely complex organic compound composed of amino acids
with many different common side chains
$
247
--of or relating to nitrogen
$
248
--a microscopic mass of protoplasm bounded by a semipermeable
membrane, usually including one or more nuclei
$
249
--a thin, soft, pliable layer usually of a plant or an animal
$
250
--one of the fundamental particles of matter that carries a
negative electric charge and is normally found within orbitals
surrounding the nucleus of an atom
$
251
--the smallest particle of a substance that retains all the
properties of the substance and is composed of one or more atoms
$
252
--a permutation of a set of ordered elements in which each
element takes the place of the next and the last becomes first
$
253
--a sweet, colorless soluble sugar that occurs widely in nature
and is the usual form in which carbohydrate is assimilated by
animals
$
254
--plant chloroplasts that are composed of protein and lipid and
are the sites of the photochemical reactions of photosynthesis
$
255
--colorless proteinaceous matrix of a chloroplast in which
chlorphyll-containing lamellae are embedded
$
256
--the production of a substance by the union of chemical
compounds
$
257
--a photochemical reaction occurring in chloroplasts
$
258
--a compound with a structure that consists essentially of four
pyrrole rings joined by four =C- groups
$
259
--an organic compound containing only carbon and hydrogen
$
260
--a state of balance
$
261
--to interfere with or to slow the progress of
$
262
--to cause or to facilitate the beginning of
$
263
--participating in or catalyzing only one or a few chemical
reactions
$
264
--an attractive force that holds together atoms, ions, or groups
of atoms in a molecule or a crystal, usually represented in
formulas by a line or a dot
$
265
--without water
$
266
--singular-bacterium-a cell with a simple DNA molecule not
contained in a nuclear membrane, that has a cell wall, and does
not carry on photosynthesis
$
267
--an antibiotic acid that is produced by molds
$
268
--existing, occurring, or functioning within a protoplasmic
cell
$
269
--reproduction
$
270
--next to or having a common endpoint or border
$
271
--a pyrimidine base that is one of the four bases coding genetic
information in the polynucleotide chain of RNA
$
272
--a mutation in which a purine(A or G) replaces a
pyrimidine(T or C)
$
273
--a molecule that serves as a pattern for the generation of
another macromolecule
$
274
--polynucleotide sequences in a nucleic acid that does not code
information for protein synthesis and is removed before
translation of messenger RNA
$
275
--sequences of nucleotides in DNA or RNA that is expressed as all
or part of the polypeptide chain of a protein
$
276
--a "triplet" of three nucleotides in messenger RNA that directs
the order of a particular amino acid in a protein molecule
$
277
--a "triplet" of nucleotides in transfer RNA that is able to pair
with a codon, thus arranging transfer RNA to the proper site on
the messenger RNA
$
278
--a purine base that codes hereditary information in the genetic
code in DNA and RNA
$
279
--a pentose sugar that is a structural elememt of DNA
$
280
--a purine base that codes genetic information in the
polynucleotide chain of DNA or RNA
$
281
--a pyrimidine base that codes genetic information in the
polynucleotide chain of DNA or RNA
$
282
--a pyrimidine base that is one of the four bases coding genetic
information in the polynucleotide chain of DNA
$
283
--any of various nucleic acids that contain ribose and uracil as
structural components and are associated with the control of
cellular chemical activities
$
284
--any of various nucleic acids that are the molecular basis of
heredity in many organisms
$
285
--the genetically active portion of chromatin that is largely
composed of genes
$
286
--densely staining chromatin that apears as nodules in or along
chromosomes and contains relatively few genes
$
287
--an ultramicroscopic particle that can reproduce only inside of
living cells, and does not contain organelles equivalent to those
of a cell
$
288
--relating to disintegration
$
289
--a hormone synthesized in the islets of Langerhans in the
pancreas which regulates the level of glucose in the blood
$
290
--complete virus particles that consist of RNA or DNA cores, and
that are the extracellular infective forms of a virus
$
291
--genetically transmitted from parent to offspring
$
292
--relationship in quantity, amount, or size between two or more
things
$
293
--coloration with or deposition of pigment
$
294
--being fully expressed in the heterozygous condition
$
295
--heterozygous at two genetic loci
$
296
--rate of occurrence
$
297
--the preserved remains of an organism from prehistoric times
$
298
--formed from fragments deposited by water
$
299
--moving from one stage to another
$
300
--the green photosynthetic coloring matter of plants found in
chloroplasts
$
301
--an agent that directly influences the activity of living
protoplasm
$
302
--an asexual reproductive cell capable of developing into an
adult plant without the fusion of gametes
$
303
--pollination; or --union of two germ cells whereby the somatic
chromosome number is restored and the development of a new
individual is initiated
$
304
--part of the large intestine that extends from the cecum to the
rectum
$
305
--a microscopic lipid particle common in the blood during fat
digestion and assimilation
$
306
--to become wide, expand
$
307
--any of the body immunoglobulins that are produced in response
to specific antigens and that counteract their effects
$
308
--to release
$
309
--any of various compounds that counteract histamine in the body
and that are used for treating allergic reactions and cold
symptoms
$
310
--a mucopolysaccharide sulfuric acid ester that is found
especially in liver and that prolongs the clotting time of blood
$
311
--derived from a single cell
$
312
--coating of foreign cells with an antibody that makes them
more susceptible to to the action of the phagocytes
$
313
--hemoglobin loosely combined with oxygen that it releases to
the tissues
$
314
--a stable state of equilibrium between different
but interdependent elements
$
315
--a body partition of muscle and connective tissue that
separates the chest and abdominal cavities in mammals
$
316
--the shortening and thickening of a functioning muscle or
muscle fiber
$
317
--united with another compound
$
318
--a translucent elastic tissue
$
319
--translucent bluish_white cartilage
$
320
--a glandular structure of largely lymphoid tissue
$
321
--a membranous cellular tissue that covers a free surface orlines
a tube or cavity of an animal body
$
322
--between or about
$
323
--marked by transverse dark and light bands and made up
of elongated fibers
$
324
--large multinucleate cells in developing bone that are
associated with the dissolution of unwanted bone
$
325
--the capability of a strained body to recover its size and
shapeafter deformation
$
326
--the ends of long bones
$
327
--the intercellular substance in which tissue cells are embedded
$
328
--small bars, rods, bundles of fibers, or septal membranes in the
framework of a body organ or part; or --folds, ridges, or bars
projecting into or extending out from a plant part
$
329
--small cavities
$
330
--a grayish or reddish granular cell with specialized processes
that is the fundamental functional unit of nervous tissue
$
331
--an automatic, inborn action, involving only a few neurons, in
which motor response swiftly follows a sensory stimulus
$
332
--any of numerous compounds including the sterols and various
hormones and glycosides
$
333
--a chemical product secreted by an endocrine gland into the
blood that triggers physiologic activity of organs in other parts
of the body
$
334
--central part of an organ or structure
$
335
--a large endocrine gland at the base of the neck
$
336
--cell or group of cells that removes materials from the
blood, concentrates or alters them, and then secretes
them for further use
$
337
--a small cavity or deep narrow-mouthed depression
$
338
--the condition of being or becoming capable of sexual 
activity. Puberty is marked by development of secondary
sexual characteristics, and (in the female) menstruation.
$
339
--production of eggs, or discharge of eggs from an ovary
$
340
--act or process of making fertile. Any process whereby 
impregnation takes place.
$
341
definition deleted
$
342
--man-made or artificial
$
343
--an assumption tentatively made in order to test the
consequences of that assumption.
$
344
--wide range of photosynthetic plants; most, but not all,
are unicellular.
$
345
definition deleted
$
346
--advancing a hypothesis as an essential element of a train
of reasoning
$
347
definition deleted
$
348
--gaseous element that constitutes some 78% of earth's
atmosphere
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349
--gaseous alkaline compound
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350
--long-tailed carnivore closely resembling American racoon;
also a large black and white Chinese mammal resembling a
bear (but actually also a member of the racoon family)
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351
--position of a species in the food chain
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352
--behavior pattern acquired by frequent repetition
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353
--modification so that an act previously associated with one
stimulus becomes associated with another
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354
--capable of being broken down into harmless constituents by
the action of living organisms (such as microorganisms)
$
