Difference between vegetative and generative cell , Biology

Assignment Help:

Difference between Vegetative and Generative Cell

The cytoplasm of the vegetative cell and the generative cell is distinctly different. The generative cell is transparent and contains almost no RNA. The cytoplasm of vegetative cell is rich in RNA. The respective nuclei of these cells differ from each other morphologically and physiologically. The nucleolus in the vegetative nucleus is usually larger than that in the generative nucleus. The vegetative nucleus contains lower amounts of DNA, but its protein content increases after mitosis to about twice that of the generative nucleus.

The protein of the vegetative nucleus is more acidic in nature. The structure of the nucleus in vegetative cell resembles a resting nucleus and it does not normally divide. The generative nucleus is small but contains a higher amount of DNA. It may divide in the pollen grain itself or in the pollen tube to form two sperm nuclei. The pollen grains have reserve food in the form of carbohydrates, proteins and lipids. It appears that the nature of the reserve material in the pollen depends on the mode of pollination. Entomophilous pollen is rich in lipids and anemophilous pollen has mostly starch.


Related Discussions:- Difference between vegetative and generative cell

Ruminal tympany (bloat), R uminal tympany (Bloat) It is the over-diste...

R uminal tympany (Bloat) It is the over-distension of the rumen with gases which may be either frothy or free gas. The disease is characterized by change in silhouette of the

What do you mean by neuronal repolarization, Q. In chemical terms how is th...

Q. In chemical terms how is the neuronal repolarization achieved? Repolarization is the return of the membrane probable from the action potential (+35 mV) to the resting potent

Importance of care in children, Importance of care in children Childre...

Importance of care in children Children  are not  just  small adults. This is important  to keep  in mind when evaluating how children react to illness, perceive an illness, o

Define the dietary guidelines, Define the Dietary Guidelines? Dietary G...

Define the Dietary Guidelines? Dietary Guidelines are becoming increasingly powerful tools to help the general public to appreciate the role of diet in prevention of degenerati

Chicken infectious anemia (cia), C h ic k e n infectious anemia (CIA) ...

C h ic k e n infectious anemia (CIA) Chicken infectious anemia virus (CIAV), a member of genus Gyrovirus of the family Circoviridae, is the causative agent of chicken infe

Glands associated with eyes, GLANDS - 1 .       LACRYMAL GLANDS - ...

GLANDS - 1 .       LACRYMAL GLANDS - Tear glands numbers are 3. Its secretion is aquous & salty, keeps eye ball wet, give nourishment to cornea. Lysozyme also present

hormonal control of osmoregulation, This process involves the regulation o...

This process involves the regulation of the concentration of the body fluids through control of water content and salt content of the blood. If a person loses water from their bloo

What is muscular dystrophy, What is Muscular dystrophy Muscular dystro...

What is Muscular dystrophy Muscular dystrophy :- Defects in the muscle due to faulty nutrition.

Explain the parts of plasma membrane, The plasma membrane consists mainly o...

The plasma membrane consists mainly of: 1. Phospholipids embedded in a protein bilayer 2. Proteins embedded in a phospholipid bilayer 3. Proteins embedded in a polymer of

Define the process of digestion of proteins, Define the Process of Digestio...

Define the Process of Digestion of Proteins? The daily protein intake (of about 50-100 g) and the protein of enzymes, sloughed (bled or drop off) epithelial cells and mucins, w

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