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

Loading and unloading of sieve tubes, Loading and Unloading of Sieve Tubes ...

Loading and Unloading of Sieve Tubes In order to understand the loading of food from manufacturing leaf cells to sieve tubes we must examine the anatomy of a minor vein shown

Define factors that lead to vitamin k deficiency, Define Factors that Lead ...

Define Factors that Lead to Vitamin K Deficiency? The factors that lead to vitamin K deficiency include: 1) Marginal dietary intake if one undergoes trauma and extensive sur

Explain venous pulsation, Explain venous pulsation? Venous Pulsation: N...

Explain venous pulsation? Venous Pulsation: Normally the jugular venous pulsation faithfully reflects the pressure changes in right atrium. It is described as a, x, c, x, v, y,

Adrenal gland, ADRENAL OR SUPRARENAL GLANDS (GLANDS OF EMERGENCY) - ...

ADRENAL OR SUPRARENAL GLANDS (GLANDS OF EMERGENCY) - These are paired structures located on the top of the kidneys. Each adrenal gland has two parts external adrenal cort

Interior of the left atrium - heart, The left atrium is a thin walled cavit...

The left atrium is a thin walled cavity. Most of the wall is smooth. Musculi pectinati are present only in the auricle of the atrium. The interatrial septum separates the cavity of

State tantalum and niobium in alloplastic implant material, Tantalum and Ni...

Tantalum and Niobium in alloplastic implant materials  Tantalum has been used successfully in needle type, screw- type and double-bladed implants. However, both are difficult

Explain salient features of pulmonary tuberculosis, Salient Features of pul...

Salient Features of pulmonary tuberculosis The salient features tuberculosis include: Wasting of tissues Exhaustion Cough Expectoration, and Fever The acute p

What similarities do birds and reptiles share, What similarities do birds a...

What similarities do birds and reptiles share regarding external coverage, reproduction and excretion? Regarding external coverage, birds are same to reptiles as they present

Diversty of living organisms, write down the division of cryptogamae and p...

write down the division of cryptogamae and phanerogamae

Brain thinking, in what form brain stores thinking or past experiences?

in what form brain stores thinking or past experiences?

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