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Functions of Synergids
Ultra structurally the structure and concentration of cell organelles reveals that synergids are metabolically active. The following Wee functions are attributed to synergids.
1. Directing of pollen tube growth by secreting some chemotropically active substances.
2. The degenerating synergids form the site for pollen tube discharge in the embryo sac.
3. The filiform apparatus may aid in the absorption and transportation of materials into the embryo sac from the nucellus.
Cytochemistry It is well known that certain stains and dyes specifically combine with certain chemical components of the cell. Cytochemical techniques take advantage of this fa
Anomalies Related to Oesophagus and Stomach Let us discuss briefly the anomalies of oesophagus and stomach. These are summarised as follows: Associated Problems 1) P
Equipment : Basically, it has an intra aortic balloon pump. A balloon with a capacity of 40 ml is passed percutaneously through the femoral artery up to the upper end of descen
Genetic Reservoir - Conservation of Wildlife Despite the present and future economic and health importance to human beings, very little is known about most of the earth's 1.
Describe PS with VSD in Tetralogy of Fallot's ? This group is also known as Tetralogy of Fallot's physiology. The classic example is Fallot's tetralogy characterized by: (1) Se
Geometric isomers: Select one: a. Have the same molecular weight b. Have the same connectivity c. Have a different configuration about a double bond d. All of the above
PROVIDE a specific example for epithelial and connective tissues, how the arrangement of cells helps with tissue functioning?
What are the genes responsible for the toxic substance in bt?
Determine the significance of Siphuncle. A cord of tissue that passes between different chambers of a Nautilid shell. Siphuncle regulates the amount of air or fluid in chambers
B i o-security in relation to diseases Bio-security is a strategic and integrated approach encompassing policy and regulatory frameworks to analyze and manage risks in the se
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