39 results found

Search Results for: cap

Roots

Upon seed germination, the embryo root, called the radicle, grows and develops into the first root. The radicle may thicken... Read More

Root cap

root cap (Science: botany) A mass of parenchymtous cells which covers and protects the growing cells at the end of a root; a... Read More

Spermiogenesis

Spermiogenesis Definition Spermiogenesis is the stage of spermatogenesis wherein the spermatids differentiate into mature... Read More

Capping

Capping 1. Movement of cross linked cell surface material to the posterior region of a moving cell or to the perinuclear... Read More

Translation

Translation, in general, is the conversion of something into another form, such as a word from one language to another. But... Read More

Messenger ribonucleic acid

Definition noun plural: messenger ribonucleic acids mes•sen•ger ri•bo•nu•cle•ic ac•id, ˈmɛ.sɪn.dʒəɹ... Read More

Protein synthesis

Protein synthesis is the process of creating protein molecules. In biological systems, it involves amino acid synthesis,... Read More

Transcription (biology)

In biology, transcription is the process of transcribing or making a copy of the genetic information stored in a DNA strand... Read More

Ribonucleic acid

Ribonucleic Acid Definition noun (uncountable), ribonucleic acids ri·bo·nu·cle·ic ac·id, raɪboʊnjuːkliːɪk... Read More

HnRNA

Definition noun, plural: hnRNAs The abbreviated form for heterogeneous nuclear ribonucleic acid: an extrachromosomal RNA... Read More

Heterotroph

Heterotroph Definition What is a heterotroph? Does a heterotroph make its own food? In biology and ecology, a heterotroph... Read More

Lamellae

Definition noun, singular: lamella (general) Thin structures resembling a plate. (cell biology) Intergrana thylakoids, i.e.... Read More

Hydrotropism

Definition noun Growth or movement response of a cell or an organism to moisture or water Supplement In general, tropism is... Read More

Prop root anatomy of Philodendron bipinnatifidum Schott (Araceae)

Prop root anatomy of Philodendron bipinnatifidum Schott (Araceae) VIANNA, Wânia de Oliveira, SOARES, Marli Kasue Misaki... Read More

Bud stage

Definition noun (dentistry) The first stage in a developing tooth where a tooth bud forms from the dental... Read More

Mature mRNA

Mature mRNA Definition Mature mRNA is the completely processed mRNA molecule in the cell of eukaryotes. The mRNA is a type... Read More

Nitrifying bacterium

Definition noun, plural: nitrifying bacteria A bacterium that is capable of converting ammonium into... Read More

Fruits, Flowers, and Seeds

Flowering plants grow in a wide variety of habitats and environments. They can go from germination of a seed to a mature... Read More

Bryophytes

Bryophytes (nonvascular plants) do not have xylem or phloem. The habitations of this plant group are widely varied and... Read More

Precursor mRNA

Definition noun plural: precursor mRNAs An immature or incompletely processed mRNA molecule in eukaryotes that needs to be... Read More

Cell differentiation

Cells are often described as the building blocks of life as they are the smallest unit used to build up organisms. Cells can... Read More

Nitrification

Definition noun A process wherein a nitro group is added to an organic compound Supplement Nitrification is a process where... Read More

Statolith

Definition noun, plural: statoliths (zoology) An otolith, i.e. a crystalline particle of calcium carbonate and a protein... Read More

Foot

Foot 1. (Science: anatomy) The terminal part of the leg of man or an animal; especially, the part below the ankle or wrist;... Read More

Feathers

Feather 1. (Science: ornithology) One of the peculiar dermal appendages, of several kinds, belonging to birds, as contour... Read More

Leg

Leg 1. A limb or member of an animal used for supporting the body, and in running, climbing, and swimming; especially, that... Read More

Putative

Putative Definition What is putative? The word putative denotes to a supposition that is based on what is commonly... Read More

Operculum

operculum A lid or cover becoming detached at maturity by abscission, in eucalyptus (for example), a cap covering the bud... Read More

Hay

Hay grass cut and cured for fodder. Make hay while the sun shines. (Camden) Hay may be dried too much as well as too little.... Read More

Preputium clitoridis

preputium clitoridis --> prepuce of clitoris (Science: anatomy) The external fold of the labia minora, forming a cap over... Read More

Fur

Fur 1. The short, fine, soft hair of certain animals, growing thick on the skin, and distinguished from the hair, which is... Read More

In vitro

Definition adjective, adverb (Of a biological process) made to occur outside the living organism, i.e. in an artificial... Read More

Patella

patella (Science: anatomy) The knee cap. The quadriceps tendon attaches to it above and the patellar tendon below. A small... Read More

Melon

melon 1. (Science: botany) The juicy fruit of certain cucurbitaceous plants, as the muskmelon, watermelon, and citron melon;... Read More

Nipple

nipple 1. (Science: anatomy) The protuberance through which milk is drawn from the breast or mamma; the mammilla; a teat; a... Read More

Subunit

Definition noun, plural: subunits (general) A subdivision or a distinct component of a larger unit Supplement The word... Read More

Hypophysis

Definition noun, plural: hypophyses (zoology) The pituitary gland (botany) The topmost cell of the suspensor that forms... Read More

Spermatogenesis

Spermatogenesis Definition Spermatogenesis is the biological process of producing sperm cells. It occurs in the male gonad... Read More

Gene Regulation in Eukaryotes

Reviewed by: Mary Anne Clark, Ph.D. Eukaryotic Gene Structure In prokaryotes the DNA is located in the... Read More