Eggs of frog, Biology

Assignment Help:

EGGS OF FROG

This egg is round & its diameter is of 1-2 mm.

It is mesolecithal & has distinct animal pole & vegital pole.

The nucleus is found in the centre of the animal pole & it contains many nucleoli.

The animal pole is pigmented and the vegital pole is light yellow due to presence of the yolk.

The pigmented animal pole provides mimicry and contains melanin pigments.

The egg is covered by a vitelline membrane and jelly coats.

The jelly coats are tasteless & act as bacteriacidial. Hence, the jelly coats provide protection to the egg. The jelly coats keeps the eggs floating on the water.

The forg's egg develops a grey crescent after fertilization. The grey crescent is a future blastopore.


Related Discussions:- Eggs of frog

Isolation of dna fragments, Isolation of dna fragments bound strongly with ...

Isolation of dna fragments bound strongly with protein 1.     Through pcr Pcr permits isolation of dna fragments from genomic dna through selective amplification of a spe

How can the binding of two amino acids, Q. How can the binding of two amino...

Q. How can the binding of two amino acids for the peptide formation be explained? A peptide is formed when a carbon from the carboxyl group of one amino acid is connected to th

What is the functional unity of the kidneys, What is the functional unity o...

What is the functional unity of the kidneys? The functional (filtering) unity of the kidneys is the nephron. A nephron is made of afferent arteriole, efferent arteriole, glomer

Biochemistry, help me in writing assignment on racemization,mutarotation.

help me in writing assignment on racemization,mutarotation.

Zoonoses disease-feline cowpox, Feline cowpox Feline cowpox virus is an un...

Feline cowpox Feline cowpox virus is an uncommon virus which causes skin lesions in cats. These viruses are said to be “cowpox-like”. The biological and genetical analysis showed

Define the term -aqueous movement and outflow, Define the term -Aqueous Mov...

Define the term -Aqueous Movement and Outflow There are two movements of the aqueous humour that occur-thermal flow and bulk flow. Thermal flow is, an internal circulation of

How bone density affect osseointegration, How Bone density affect Osseointe...

How Bone density affect Osseointegration The most important bone property is density which is influenced by factors such as patient age and genetics. Higher density bones have

Explain about blood pressure, Explain about Blood pressure Blood press...

Explain about Blood pressure Blood pressure is explained as the force exerted by the blood against the walls of the arteries. Blood pressure (BP) can be described as the fo

Explain the surgical management for obesity, Explain the Surgical Managemen...

Explain the Surgical Management for Obesity? Surgical procedures are generally restricted for the morbidly obese persons. If an individual has a BMI of 40 or higher, or a BMI o

Define the dietary recommendations for epilepsy, Define the Dietary Recomme...

Define the Dietary Recommendations for epilepsy? A 3: 1 ketogenic diet is recommended. The time taken for reversing the usual ratio of 1:3 to 3: 1 is about 4 days. How will we

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