Lampbrush chromosomes, Biology

Assignment Help:

LAMPBRUSH CHROMOSOMES

  1. Discovered by Ruckert.
  2. Lampbrush Chromosomes were seen in Oocytes of several different animals like shark, amphibians, reptiles and birds. (Most distinct in Diplotene stage).
  3. Giant size of these Chromosomes is due to increase in size of Chromonema (not due to number). Chromonema grows in size to form lateral loops.
  4. Synthesis of m-RNA occurs on lateral loops.
  5. Lampbrush    Chromosomes    concerned    with vitellogenesis. (Yolk formation)

572_lampbrush chromosomes.png


Related Discussions:- Lampbrush chromosomes

Sequence of cardiac activation, Sequence of Cardiac Activation Depolar...

Sequence of Cardiac Activation Depolarisation is initiated by an impulse form the SA node. Impulse spreads through both atria. Inter-atrial conduction and atrial myocardial

Explain adefovir dipivoxil, Adefovir dipivoxil (Hepsera)  This phosphon...

Adefovir dipivoxil (Hepsera)  This phosphonate nucleoside analog, administered as the oral prodrug, inhibits replication of HBV, including variants resistant to lamivudine. Ade

Which amino acid can form disulfide bonds, a. Which amino acid can form dis...

a. Which amino acid can form disulfide bonds? b. Which level of protein structure do disulfide bonds affect? How? c. Cytoplasmic proteins rarely form disulfide bonds, even if they

State the definition of soil, State the definition of soil The definiti...

State the definition of soil The definition of soil has changed a great deal from a thin "outer layer of  Earth's crust" to "a collection of natural bodies on the surface of th

Explain about listeria monocytogenes infection, Explain about Listeria mono...

Explain about Listeria monocytogenes infection Listeria monocytogenes is a gram-positive, motile, non-spore forming rod. It is widely distributed in nature and can be found on

Bee and silkworm diseases, BEE DISEASES - Suffer from nosema diseases...

BEE DISEASES - Suffer from nosema diseases caused by Nosema apis. SILK WORM DISEASES - Pebrine disease caused by Nosema.

Seed structure, why mung beans has no endosperm while castor bean and maize...

why mung beans has no endosperm while castor bean and maize seed has?

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

Illustrate wild life sanctuaries, Q. Illustrate Wild Life Sanctuaries? ...

Q. Illustrate Wild Life Sanctuaries? You must have seen how some of the parks are fenced. The intention is to keep the animals from wandering out and not to destroy neighbourin

Describe the number of implants, Number of Implants The use of more imp...

Number of Implants The use of more implants decreases the number of pontics and the associated mechanics and strains on the prosthesis, and dissipates stresses more effectively

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