DNA into cells using an electrostatic pulse, air pressure, or gunpowder percussion. As the particles pass through the cell, the DNA dissolves and becomes free to integrate into the plant-cell genome. This improbable technique actually works quite well and has become, along with electroporation, one of the methodologies of choice. Biolistics has the advantage of being applicable to whole cells in suspension or to intact or sliced plant tissues. For example, plant meristems or tissues capable of regeneration can be targeted directly. Unlike transformation or electroporation, the technique does not require protoplasts or even single-cell isolations. Using biolistics, transgenic corn and soybean plants have been produced that contain heritable copies of the inserted gene. 2. Millised omadused muudavad bakteri Agrobacterium tumefaciens unikaalseks kogu eluslooduses? Vt eelmist punkti 3. Milliste taimeliikide genoom on täielikult sekveneeritud
high concentration of auxin causes inhibition of growth; AVP; e.g. cell division, mitosis, replication, cytokinesis, increase in number of cells R ref to uptake of nutrients max 2 (c) assume answer is about plant growth substances unless stated otherwise treat refs to target, cells / tissue(s) and external stimuli as neutral growth substances produced by, dividing cells / meristems; ora hormones produced by, islets of Langerhans / alpha cells / beta cells / endocrine gland / pancreas growth substances move, in phloem / in xylem / from cell to cell; ora hormones / named hormone(s), move in blood growth substances usually produce a permanent change in the plant; ora hormones produce reversible change in blood sugar (GS) not homeostatic / no negative feedback; ora for hormones
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