Functions of synergids, Biology

Assignment Help:

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.


Related Discussions:- Functions of synergids

Blood pressure with the phenomena of systole and diastole, Q. What is the r...

Q. What is the relation between the maximum and the minimum blood pressure with the phenomena of systole and diastole? A minimum blood pressure is the pressure on the wall of t

How does the excretory system of nematodes work, Q How does the excretory s...

Q How does the excretory system of nematodes work? The metabolic residuals of nematodes are together by two longitudinal lateral excretory channels that open in one single excr

Social determinants of health - unemployment, Social Determinants of Health...

Social Determinants of Health - Unemployment That unemployment gives rise to social insecurity and psychological stress is well recognised. Fears and uncertainties are known t

What is the typical vegetation of the grasslands, What is the typical veget...

What is the typical vegetation of the grasslands? The Grasslands are mainly formed of herbaceous (nonwoody) vegetation: grass, small trees and bushes.

Islet of langerhans, Islet of Langerhans: They are insulin-producing tissue...

Islet of Langerhans: They are insulin-producing tissues. It was discovered by Paul Langerhans in 1869. These cells are in groups and look like islands in the pancreas. There are ab

Explain the membrane equilibria, Explain the Membrane Equilibria? A sem...

Explain the Membrane Equilibria? A semipermeable membrane used to separate two liquid phases can, in principle, be permeable to certain species and impermeable to others. A mem

Protozoa, what are characteristics of protozoa?

what are characteristics of protozoa?

Infructescences- pseudofruits and parthenocarpic fruits, What are the infru...

What are the infructescences, pseudofruits and parthenocarpic fruits? The Infructescences are aggregated fruits formed from inflorescences, aggregated flowers. Grape clusters a

What is st depression with long diastolic filling, Q. What is ST Depression...

Q. What is ST Depression with Long Diastolic Filling? For the person with a slow heart rate and a long period of a diastole after a premature ventricular contraction, the next

Determine guidelines for planning balanced diets for elderly, Determine Gui...

Determine Guidelines for Planning Balanced Diets for Elderly? The key element in planning diets for the elderly should be nutrient-based dietary guidelines, in order to reduce

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

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!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd