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vegetative cells

Listing 1 - 10 from 91 for vegetative cells

EXTOXNET PIP - BACILLUS THURINGIENSIS
... some way to B.t. B.t. forms asexual reproductive cells, called spores, which enable it to survive in adverse conditions. ... dissolve in the intestine of susceptible insect larvae. They paralyze the cells in the gut, interfering with normal digestion and triggering the ... . is attributed to protein crystals produced by the bacterium. The vegetative cells of B.t. are approximately 1 micron wide and 5 ...
extoxnet.orst.edu

The Cycad Pages
... are filamentous, and always polymorphic, containing heterocysts and vegetative cells. They are aligned in short linear or undulating fragments, or grouped into clusters. Vegetative cells and heterocysts are the predominant cell types in symbiosis ...
plantnet.rbgsyd.nsw.gov.au

The Cycad Pages
... in multiple heterocyst complexes. Heterocysts nearest to the growing tip are located singly among vegetative cells or at the ends of filaments. More on Nitrogen Fixation in the Cycad/Cyanobacteria ... ), otherwise known as GOGAT. GS is found in both heterocysts and vegetative cells. GOGAT is most likely confined to vegetative cells (Guerrero and Lara, 1987). More on Assimilation of Fixed Nitrogen The ...
plantnet.rbgsyd.nsw.gov.au
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On-Line Glossary: C
... from individual plaques, pocks or lesions or by limiting dilution; (c) the vegetative propagation of an organism to produce a population of identical individuals. (10) ... cells which typically show little or no morphological differentiation from vegetative cells. In bacterial conjugation, one bacterium (the "male" or donor cell) transfers DNA to another (the "female" or recipient cell) while the cells ...
ppathw3.cals.cornell.edu

Chrysophyta
... the epitheca of the new cell. Thus half of the daughter cells decrease in size. This can only go on for a limited ... precise mechanism varies, but this is a typical procedure: the 2n vegetative cells release the protoplast from the cell wall, and undergo meiosis, followed ... the typical cell wall. Mitosis now produces two or more new cells which will form new cell walls typical for the species, and ...
www.cs.cuc.edu

Slime mold notes
... cycling. C. Life cycle of Physarum, a typical plasmodial slime mold. 1. Plasmodium. The vegetative state is the multinucleate, pigmented, naked protoplast known as the plasmodium. This yellow protoplast ... known, but is best exemplified by Dictyostelium. B. Life cycle of Dictyostelium. 1. Amoebae These vegetative cells are very similar to the protistan Amoeba. They feed in a similar manner, on ...
www.cs.cuc.edu
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Bacterial food-borne illness
... Clostridium perfringens, illness is caused by toxins released in the gut when large numbers of vegetative cells are eaten. Salmonellosis Salmonellosis is a form of food infection that may result when foods ... cooling large pots of gravy or meat too slowly in the refrigerator), sufficient numbers of vegetative cells may be produced to cause illness. Symptoms occur within eight to 24 hours after ...
www.ext.colostate.edu

Cycad biology, Article 1: Corraloid roots of cycads
... cells" (see below). Multiple heterocysts in each filament are so numerous in cycads that they are supposed to be ineffective since they do not have enough neighboring vegetative cells ... . The schema is similar, except that the cyanobacteria vegetative cells are replaced by the host cells, as follows: CO2 ->-. .-<---------------LIGHT------------------>-. .-<- N2 _______|_|_______ _________| ...
www.plantapalm.com

www.seaweed.ie
... vegetative cells divide by meiosis in Noctiluca miliaris to form up to 2000 uniflagellate isogametes. Pairs of gametes fuse and the zygote, after a resting period, develops directly into a vegetative cell. This species is unusual in having what appears to be a typical eukaryotic nucleus in the vegetative cells, but a typically dinophycean nucleus ...
www.seaweed.ie

Vegetative Terminology (Part 1)
... Economic Plant Illustrations #30 Botany 115 Vegetative Terminology Modified Roots, Stems and Leaves (Part 1) Go To Vegetative Terminology Part 2 Go To Vegetative Terminology Part 3 Types Of Subterranean Roots ... at the leaf surface. Since high internal salt concentrations can be lethal to plant cells, some species such as the black mangrove and white mangrove (Laguncularia racemosa) can excrete ...
waynesword.palomar.edu




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