Unicellular

unicellular Single-celled.
uniformitarianism The idea that geological processes have remained uniform over time and that slight changes over long periods can have large-scale consequences; proposed by James Hutton in 1795 and re?
Full article >>>

Unicellular or multicellular photosynthetic eukaryotes that generally lack roots, stems, leaves, conducting vessels, and complex sex organs.
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z ...
Full article >>>

unicellular microbes like E. coli
unicellular eukaryotes like yeast and
in mammalian cells grown in tissue culture.
Full article >>>

Unicellular often environmentally resistant dormant or reproductive body produced by plants and some microorganisms and capable of development into a new individual either directly or after fusion with another spore.
Conjugation ...
Full article >>>

unicellular (cytoplasmic) organization The life-form in which all functions are carried out within the confines of a single plasma membrane; members of the kingdom Protista display unicellular organization; also called cytoplasmic organization.
Full article >>>

unicellular
made up of one cell.
Covered in Lab 6 Unicellular and Filamentous Organization
upper epidermis
the tissue in plants, usually one cell thick, that is on the top surface of the leaf.
Full article >>>

A unicellular fungus that lives in liquid or moist habitats, primarily reproducing asexually by simple cell division or by budding of a parent cell.
yolk
The stored food in egg cells that nourishes the embryo.
Full article >>>

: Unicellular, photosynthetic (photo-
autotroph
) prokaryote (in the Kingdom
Monera
).
Formerly known as blue-green algae.
It contains chlorophyll
a
but not chloroplast. They reproduce by fission and never sexually.
Full article >>>

Most unicellular organisms are microscopic in size, but there are some giant bacteria and protozoa that are visible to the naked eye.
Full article >>>

A unicellular form of fungi. Some fungi (for example Saccharomyces cerevisiae) are only known to reproduce as yeast while other fungi (for example, Candida albicans) are dimorphic, ...
Full article >>>

spherical unicellular organism
Source: Noland, George B. 1983. General Biology, 11th Edition. St. Louis, MO. C. V. Mosby
...
Full article >>>

A few groups of unicellular eukaryotes lack mitochondria: the symbiotic microsporidians, metamonads, and entamoebids, and the free-living pelobionts.
Full article >>>

In addition, only unicellular organisms (or organisms with totipotent cell lines) can have an evolutionary benefit from this mode of mutation.
Full article >>>

Flagellum - an extension on many unicellular organisms that enables movement through whip-like motions ...
Full article >>>

Prochlorococcus is a unicellular cyanobacterium that dominates the temperate and tropical oceans. It lacks phycobilisomes that are characteristic of cyanobacteria, and contains chlorophyll b as its major accessory pigment.
Full article >>>

(See the Proteins and Proteomics unit.) In 2003 Roderick MacKinnon and his colleagues used this technique to examine the structure of a voltage-gated potassium channel from a unicellular archaea.
Full article >>>

All living organisms, whether unicellular or multicellular exhibit homeostasis.
Full article >>>

colonial -- Condition in which many unicellular organisms live together in a somewhat coordinated group. Unlike true multicellular organisms, the individual cells retain their separate identities, and usually, their own membranes and cell walls.
Full article >>>

Cilia are hair-like structures that can beat in synchrony causing the movement of unicellular paramaecium. Cilia are also found in specialize linings in eukaryotes.
Full article >>>

Acetabularia - genus of unicellular marine algae. These organisms comprise an enormous single cell consisting of a cap, stalk and rhizoid and can be up to 10 cm in size.
Full article >>>

algae: a large number of photosynthetic organisms that are generally unicellular and not classified as plants.
alleles: different forms of the same gene.
Full article >>>

The Subkingdom of the Kingdom Animalia, in older classification systems, that includes all unicellular organisms that lack differentiated tissues and that primarily reproduce through asexual means, although conjugation does occur.
Full article >>>

Proponents say that genetically engineered crops are not significantly different from those modified by nature or humans in the past, and by extension are as safe or even safer than such methods. There is gene transfer between unicellular eukaryotes ...
Full article >>>

eukaryote A unicellular or multicellular organism with cells having a membrane-bounded nucleus. All possess, in addition, multiple chromosomes and internal organelles.
Full article >>>


'"/>