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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.
What is the mechanism by which the neural impulse is transmitted along the axon? The neural impulse is transmitted with the neuronal membrane through depolarization of consecu
Enumerate the absolute and relative contraindications. 1. Absolute contraindications - Recent myocardial infarction - Valvular prosthesis - Severe renal disea
To make a 40 mg/mL solution of kanamycin (MW 582.6) how many grams of kanamycine would you dissolve in 500 mL of water?
Why do the sons of a haemophiliac father never vary from this trait? Why is the cleavage in mammals referred as simple homoplastic?
Determine the Parts of Stethoscope A stethoscope having of earplugs, binaural pieces, flexible tubing, a stem, and a chest piece. The earplugs are attached to springs made of s
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If you have water, 10% sucrose, and 40% sucrose solution. Which solutions were isotonic to each other?
Menerals are naturally occurring inorganic solids with a crystalline structure and a definite range of chemical formula. Ores are concentrations of minerals in rock.
what is respiratory system ?
Vertebrate Limb Earlier we know that how a series of sequential and coordinated interactions between different cell groups and tissues carry about the construction of a compl
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