Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
Obturator - Ovule
An obturator is an outgrowth of the placenta or funicle or integument or style near the micropyle. It is presumed to guide the pollen tube to the micropyle. This tissue is either composed of thin-walled compact tissue or it is made up of loose hairy outgrowths. The cells of the obturator at the ultra structural level, show dense cytoplasm containing a copious number of ER, dictyosomes, and vesicles. The cells of the obturator produce a surface exudate and provide mechanical and chemical guidance to the growing pollen tube.
Figure: Obturator in Tetragonia tetragonioides
Determine the Symptoms of Campylobacteriosis Symptoms: C. jejuni infection causes diarrhoea, which may be watery or sticky and can contain blood and faecal leukocytes (white
What are the positions of actin and myosin molecules in the sarcomere before and during the muscle contraction? Schematically actin filaments attached perpendicularly to both s
what is an autotroph?
Explain the effect of Deficiency of pyridoxine? A deficiency of vitamin B6 alone is uncommon because it usually occurs in association with a deficit in other B-complex vitamin
A few statements about the mechanism of evolution are made. Mark the correct statements. (i) Evolution happens at the individual level as well as population level. (ii
Define Uptake of iron by enterocytes - Non Haem Iron Absorption? Ferrous iron traverses the brush border of the intestine better than the ferric iron. The mechanism of absorpti
what is sperm
explain glycolysis briefly? elaborate
Phenology of Different Species The phenology of different species present in a community may differ from each other significantly. It is these phenological changes which give
Q. Does each amino acid have a central carbon? To which organic group is that central carbon bound? A carboxyl group -NH 2 , an atom of hydrogen - COOH, an amine group-H and a
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +91-977-207-8620
Phone: +91-977-207-8620
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd