contrast

Vertebral column

...>> animal having a vertebral column ; contrast to invertebrate Source: Noland, George B. 1983. General Biology , 11th Edition. St. Louis, MO. C. V. Mosby What Topic Is Your BIOLOGY Paper On? Full article >>> All the other members of the craniata convert their notochord into a ...

Vertebrates

...hing adulthood. Full article >>> In contrast to the fly, vertebrates have not one but three Ci-related proteins , designated Gli1, Gli2, and Gli3 (after gliobla stoma ), all of which have been implicated in mediating the activities of the various Hh proteins . Full article >>> ...

Vena cava

...to the heart from posterior parts of the body; contrast to precaval vein Source: Noland, George B. 1983. General Biology , 11th Edition. St. Louis, MO. C. V. Mosby ... Full article >>> azygous vein - one of a system of veins that drain the thoracic and abdominal walls; arises as a contin...

Urea

...gan ic compound s can be created artificially, in contrast to the common belief of the time that organ ic compound s can only be made by living organ isms. Full article >>> For protein , this usually means the inclusion of 2-ME (which reduces disulfide bonds between cysteine residue s) an...

Testes

... male reproductive organ s that produce sperm s; contrast to ovary ; singular, testis Source: Noland, George B. 1983. General Biology , 11th Edition. St. Louis, MO. C. V. Mosby ... Full article >>> Testes are suspended outside the abdominal cavity by the scrotum , a pouch of skin that ke...

Probe

...n microscope Field emission microscope Phase contrast microscope , see Frits Zernike Scanning tunneling microscope Virtual microscope X-ray microscope ... Full article >>> Scanning probe microscope In scanning probe microscopy (SPM), a physical probe is used either in c...

Peripheral

...s system composed of cranial and spinal nerve s; contrast to central nervous system Source: Noland, George B. 1983. General Biology , 11th Edition. St. Louis, MO. C. V. Mosby ... Full article >>> Peripheral membrane protein (Redirected from Peripheral protein ) Peripheral membrane...

Optic nerve

...brain simply that light has been detected but that contrast between light and dark (i.e., shape) has been detected. Full article >>> Reggie-1 and reggie-2 are two evolution arily highly conserved proteins which are up-regulated in retina l ganglion cells during regeneration of lesioned ax...

Operator

...lows the operator to use a slide bar to vary the contrast of the displayed image. Another enhancement is the automatic display of both the normal gel lanes as well as the special marker lanes. Full article >>> As early as 1962, John Holland's work on adaptive systems laid the foundation f...

Oogenesis

...is Egg formation takes place in the ovaries. In contrast to males, the initial steps in egg production occur prior to birth. Diploid stem cell s called oogonia divide by mitosis to produce more oogonia and primary oocyte s. Full article >>> oogenesis The process by which an eg...

Ocelli

...x ... Full article >>> simple eye; contrast to compound eye (plural, ocelli ) Source: Noland, George B. 1983. General Biology , 11th Edition. St. Louis, MO. C. V. Mosby What Topic Is Your BIOLOGY Paper On? Full article >>>...

Nervous system

...s system composed of cranial and spinal nerve s; contrast to central nervous system Source: Noland, George B. 1983. General Biology , 11th Edition. St. Louis, MO. C. V. Mosby ... Full article >>> peripheral nervous system (PNS) and the central nervous system (CNS) Link to discussion...

Monocot

...at has one embryo nic seed leaf or cotyledon; contrast to dicot yledon Source: Noland, George B. 1983. General Biology , 11th Edition. St. Louis, MO. C. V. Mosby ... Full article >>> MONOCOT S DICOT S Embryo with single cotyledon Embryo with two cotyledons Pollen with single furr...

Molecular biology

...gene directed by the sequence of that gene in contrast to trans effects which are produced by other factors such as transcription factor s encoded by other genes. Full article >>>...

Micronucleus

...reproductive nucleus of certain protozoa ns, in contrast to the larger nutritive macronucleus Source: Noland, George B. 1983. General Biology , 11th Edition. St. Louis, MO. C. V. Mosby ... Full article >>> micronucleus In the protista n group known as the ciliates, the small nucleus ...

Metazoa

metazoa higher, multicellular animals ; contrast to protozoa Source: Noland, George B. 1983. General Biology , 11th Edition. St. Louis, MO. C. V. Mosby ... Full article >>> Metazoa [Gr. meta - after, beyond; Gr. zoon - animal ]. The Sub kingdom of the Kingdom Animalia that...

Medulla oblongata

...ord . medulla The inner portion of an organ in contrast to the cortex or outer portion. Also, hindbrain . Full article >>> medulla oblongata The lowest part of the vertebrate brain; a swelling of the hind-brain dorsal to the anterior spinal cord that controls autonomic, homeostatic...

Medulla

...ord . medulla The inner portion of an organ in contrast to the cortex or outer portion. Also, hindbrain . Full article >>> medulla oblongata The lowest part of the vertebrate brain; a swelling of the hind-brain dorsal to the anterior spinal cord that controls autonomic, homeostat...

Larva

larva active, immature stage of development; contrast with pupa Source: Noland, George B. 1983. General Biology , 11th Edition. St. Louis, MO. C. V. Mosby ... Full article >>> Larva A larva (Latin; plural larva e) is a juvenile form of animal with indirect development, undergoing ...

Homospory

...e >>> production of unlike spore s; contrast with homospory Source: Noland, George B. 1983. General Biology , 11th Edition. St. Louis, MO. C. V. Mosby What Topic Is Your BIOLOGY Paper On? Full article >>>...

Homozygote

... gametes that are alike in their genetic content; contrast with heterozygote Source: Noland, George B. 1983. General Biology , 11th Edition. St. Louis, MO. C. V. Mosby ... Full article >>> Homozygote cells are diploid or polyploid and have the same alleles at a locus (position) ...

Heterozygote

...gametes that are unlike in their genetic content; contrast to homozygote Source: Noland, George B. 1983. General Biology , 11th Edition. St. Louis, MO. C. V. Mosby ... Full article >>> When an organ ism is referred to as a heterozygote or as being heterozygous for a specific gene , it...

Heterotroph

...rasites that are unlike in their genetic content; contrast to autotrophic ... Full article >>> Heterotroph s are unable to synthesize organ ic, carbon based compound s independently from the inorganic environment 's sources (e.g. Animalia , unlike Plantae , cannot photosynthesize) and ...

Heterotrophic

...rasites that are unlike in their genetic content; contrast to autotrophic ... Full article >>> Heterotrophic Nutrition All other organ isms, including ourselves, are heterotroph s. We secure all our energy from organ ic molecule s taken in from our surroundings ("food"). Full articl...

Hermaphrodite

...rgan s in one individual; also known as monecious; contrast to diecious Source: Noland, George B. 1983. General Biology , 11th Edition. St. Louis, MO. C. V. Mosby ... Full article >>> Hermaphrodite From Wikipedia, the free encyclopedia Jump to: navigation, search For the Julia Ward Howe nove...

Hereditary

...or a group of organ isms based on gene content; contrast to phenotype Source: Noland, George B. 1983. General Biology , 11th Edition. St. Louis, MO. C. V. Mosby What Topic Is Your BIOLOGY Paper On? Full article >>> Hereditary material (both DNA and RNA ) is needed for a cell to b...

Habitat

...e >>> Within- habitat comparison. A contrast of diversity between two localities of similar habitat type Wrack zone. A bank of accumulated litter at the strand line ... Full article >>> In its origin al form, the theory implied that each community altered the habitat an...

Gymnosperm

...s are not enclosed by carpel s, that is, ovary ; contrast to angiosperm Source: Noland, George B. 1983. General Biology , 11th Edition. St. Louis, MO. C. V. Mosby ... Full article >>> Search for gymnosperm in these other data bases too Definition of gymnosperm : a vascular plant tha...

Genomic DNA

... and noncoding ( intron and other) sequence s in contrast to c DNA . which contains only coding sequence s. Related Terms: Deoxyribonucleic acid ( DNA ) ... Full article >>> genomic DNA - nuclear DNA of the chromosomes . genomic equivalence - concept that each cell in the body has t...

Genetic recombination

... The Aviemore model of genetic recombination , in contrast to the double- strand break model, invokes invasion of a duplex by a single strand end resulting in a single Holliday structure . Model ... Full article >>> And it happened as a result of mutation s, as a result of migration s be...

Gametes

... gametes that are alike in their genetic content; contrast with heterozygote Source: Noland, George B. 1983. General Biology , 11th Edition. St. Louis, MO. C. V. Mosby What Topic Is Your BIOLOGY Paper On? Full article >>> having haploid gametes that are similar in size, structure and ...

Gametophyte

... plant producing gametes , that is sex cells ; contrast to sporophyte Source: Noland, George B. 1983. General Biology , 11th Edition. St. Louis, MO. C. V. Mosby ... Full article >>> These spore s develop into a gametophyte . These spore s and the resulting gametophyte have only half...

Gamete

...gamete s that are alike in their genetic content; contrast with heterozygote Source: Noland, George B. 1983. General Biology , 11th Edition. St. Louis, MO. C. V. Mosby What Topic Is Your BIOLOGY Paper On? Full article >>> having haploid gamete s that are similar in size, structure an...

Facilitated diffusion

...e in the direction of a concentration gradient ; contrast with active transport . Full article >>> facilitated diffusion The spontaneous passage of molecule s and ions, bound to specific carrier proteins , across a biological membrane down their concentration gradient s. facultative ...

Euploidy

... >>> An euploidy . In primates (in contrast to sheep, cattle, and mice), the process of removing the resident nucleus causes molecule s associated with the centrosome to be lost as well. Full article >>> An euploidy having an abnormal number of chromosomes (aneu = wit...

Endergonic reaction

...tion in which "G > 0 in Gibbs free energy, in contrast to an exothermic re action , which uses "H as in enthalpy. Full article >>> Endergonic reaction Exergonic An endergonic reaction is a chemical re action in which the change in free energy is positive. Full article >>>...

Elements

...l elements for food, for example green plant s; contrast to heterotrophic Source: Noland, George B. 1983. General Biology , 11th Edition. St. Louis, MO. C. V. Mosby What Topic Is Your BIOLOGY Paper On? Full article >>> TRANSPOSON - A trans posable genetic element; certain sequence ...

Egg

...; Egg formation takes place in the ovaries. In contrast to males, the initial steps in egg production occur prior to birth. Diploid stem cell s called oogonia divide by mitosis to produce more oogonia and primary oocyte s. Full article >>> egg A female gamete , which usually ...

Dicot

... plant having two seed leaves or cotyledons ; contrast with monocot yledon Source: Noland, George B. 1983. General Biology , 11th Edition. St. Louis, MO. C. V. Mosby ... Full article >>> MONOCOT S DICOT S Embryo with single cotyledon Embryo with two cotyledons Pollen with single ...

Dendrite

...carries impulses toward a nerve cell ( neuron ); contrast to axon Source: Noland, George B. 1983. General Biology , 11th Edition. St. Louis, MO. C. V. Mosby ... Full article >>> Dendrite s are made up of dendritic segment s which are named according to their relative position to the so...

Cyanobacteria

...may be necessary to support their larger size. In contrast with Prokaryotes ( bacteria and cyanobacteria ). Full article >>>...

Cotyledons

... plant having two seed leaves or cotyledons ; contrast with monocot yledon Source: Noland, George B. 1983. General Biology , 11th Edition. St. Louis, MO. C. V. Mosby What Topic Is Your BIOLOGY Paper On? Full article >>> dicot s One of the two main types of flower ing plant s; chara...

Cell body

... conduction of impulses away from the cell body ; contrast to dendrite Source: Noland, George B. 1983. General Biology , 11th Edition. St. Louis, MO. C. V. Mosby What Topic Is Your BIOLOGY Paper On? Full article >>> axon a typically long outgrowth, or process, from a neuron that ca...

Carpel

...ith seeds enclosed by carpel s, that is, ovaries; contrast to gymnosperm Source: Noland, George B. 1983. General Biology , 11th Edition. St. Louis, MO. C. V. Mosby A flower ing plant . Seeds are enclosed by a matured ovary (fruit). Full article >>> (Gr. gymnos =naked; sperm = seed ): ...

Biota

...means exclusively native to a place or biota , in contrast to cosmopolitan or introduced. Full article >>> When the normal flora are disrupted, it shifts the mix of micro biota and can lead to disease. For example, the use of some broad-spectrum antibiotic s can dramatically decrease the num...

Base

...>>> Base Excision Repair (BER), in contrast to nucleotide excision repair (NER), is not a single enzyme complex, but multiple enzyme systems each specific for a specific type of base damage. Full article >>> Base Pair ing The rules of base pair ing (or nucleotide ...

Axon

... conduction of impulses away from the cell body ; contrast to dendrite Source: Noland, George B. 1983. General Biology , 11th Edition. St. Louis, MO. C. V. Mosby ... Full article >>> An axon , or nerve fiber, is a long slender projection of a nerve cell , or neuron , that conducts elec...

Autotrophic

...l elements for food, for example green plant s; contrast to heterotrophic Source: Noland, George B. 1983. General Biology , 11th Edition. St. Louis, MO. C. V. Mosby ... Full article >>> Chem autotrophic Chemautotroph An chemautotroph is an organ ism that obtains its carbon from carbon d...

Atom

...n microscope Field emission microscope Phase contrast microscope , see Frits Zernike Scanning tunneling microscope Virtual microscope X-ray microscope ... Full article >>> Atom one particle one piece of an element (a = not without; tom = to cut) AustralianRealm the biogeogr...

Angiosperm

...ith seeds enclosed by carpel s, that is, ovaries; contrast to gymnosperm Source: Noland, George B. 1983. General Biology , 11th Edition. St. Louis, MO. C. V. Mosby ... Full article >>> Angiosperm s are the flower ing plant s (today the most abundant and diverse plant s on earth). Most a...

Aneuploidy

...le >>> Aneuploidy . In primates (in contrast to sheep, cattle, and mice), the process of removing the resident nucleus causes molecule s associated with the centrosome to be lost as well. Full article >>> Aneuploidy having an abnormal number of chromosomes (aneu = witho...

Aneuploid

... >>> Aneuploid y . In primates (in contrast to sheep, cattle, and mice), the process of removing the resident nucleus causes molecule s associated with the centrosome to be lost as well. Full article >>> Aneuploid y having an abnormal number of chromosomes (aneu = wit...

Aerobe

... an organ ism requiring free oxygen for living; contrast with an aerobe Source: Noland, George B. 1983. General Biology , 11th Edition. St. Louis, MO. C. V. Mosby ... Full article >>> aerobe s - organ isms that thrive in well-aerated environment s an aerobe - organ ism that wants ...