biology lecture Phylum echinodermata

... explain Cell Biology: • Cell Structure: Eukaryotes Main Page on the Virtual Cell Biology Classroom of Science Prof Online • “Cells” music video by They Might Be Giants • Prokaryotic & Eukaryotic: ... Biological Cells, an article from SPO • Eukaryotic Cell: Structures, Functions & Diagrams article from SPO • Cell Structure tutorials and quizzes from Interactive Concepts in Bi...

Ngày tải lên: 13/03/2014, 18:03

... sugar (glucose) molecules  The older the cell or the plant (herb) the more cellulose it’s going to contain  WHY? PLANT WALL CELLULOSE Plant Matrix = Ground substance/substance in which something ... Tonoplast = differentially permiable  Fx – stores salts  Recycles materials in plants  Play an important role in plant turgor THE CELL WALL  Encloses the whole cell  Freely permeabl...

Ngày tải lên: 14/06/2017, 08:12

... element Sieve plate Primary phloem Zea Primary phloem Helianthus Longitudinal section of stem Primary phloem Forisomes Proteinaceous contractile element found in the phloem of legumes Forisomes ... Movement through Phloem Solutes higher in phloem Water moves in from xylem Pressure = push Sugars actively unloaded at sink PRESSURE FLOW OR MASS FLOW Phloem is a complex tissue 1) .....

Ngày tải lên: 14/06/2017, 10:47

... titles of the principal groups of which are placed upon the accompanying diagram Each of these groups represents a number of beds of sand, of stone, of clay, of slate, and of various other materials ... vegetable life, similar to that which now exists, made its appearance; that the fourth day was signalised by the apparition of the sun, the stars, the moo...

Ngày tải lên: 28/06/2014, 19:20