Origin of endoplasmic reticulum, Biology

Assignment Help:

ORIGIN OF E.R.

(1)      Originates from plasma membrane.

(2)      According to Haguenau, E.R.originates from Nebenkern (Germ center). Nebenkern is a group of concentric layers or rings around the nucleus in embryonic life.


Related Discussions:- Origin of endoplasmic reticulum

Can you explain restrictive ventricular septal defect, Q. Can you explain ...

Q. Can you explain Restrictive Ventricular Septal Defect ? VSD is restrictive when VSD pressure gradient is more than 60mmHg (systolic cuff pressure-VSD lpressure grad

Explain dicotyledons, Dicotyledons (2,00,000 species) The dicot's are o...

Dicotyledons (2,00,000 species) The dicot's are of diverse nature. The leaves are net veined, stem contains ring of vascular bundles, cambium tissue is present so secondary

What are multiple alleles, What are multiple alleles? Is there dominance in...

What are multiple alleles? Is there dominance in multiple alleles? Multiple alleles is the phenomenon in which the similar gene has more than two dissimilar alleles (in normal

Requirements and recommended dietary allowances (rda), Define Requirements ...

Define Requirements and Recommended Dietary Allowances (RDA)? What do we mean by requirements and RDA? The requirement level is the amount of nutrient needed to be absorbed to

Amphibian circulation be classified as incomplete and double, Q. Why can th...

Q. Why can the amphibian circulation be classified as incomplete and double? The amphibian circulation is double because it is composed of pulmonary and systemic circulations r

Define prevalence and incidence for anorexia nervosa, Define Prevalence and...

Define Prevalence and Incidence for anorexia nervosa? The disorder occurs most commonly in adolescent girls and young women, but adolescent boys and young men may be affected m

Effect of insulin on metabolism of carbohydrate, The foods we take have thr...

The foods we take have three basic ingredients - carbohydrate, protein and fat. Insulin has profound effects on the metabolisms of carbohydrate, protein and fat. Metabolism helps o

Respective functions of phospholipids, What are the respective functions of...

What are the respective functions of phospholipids, proteins and carbohydrates of the cell membrane? Ans) Membrane phospholipids have structural function they produce the bilipi

Living fossils, LIVING FOSSILS - 1. Limulus (Ki...

LIVING FOSSILS - 1. Limulus (King crab) Arthropoda 2 . Neopelina Mollusca 3 .

Congenital discrete subvalver stenosis, Congenital Discrete Subvalver Steno...

Congenital Discrete Subvalver Stenosis : The abstraction could be fibrous or fibro muscular. It could be anywhere from just below the aortic cusps upto the level of the free edge

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