What is a membrane, Biology

Assignment Help:

What is a membrane?

Membrane is any delicate sheet that divides one region from another blocking or permitting (selectively or completely) the passage of substances. The skin, for instance, can be considered a membrane that divides the exterior from the interior of the body; cellophane, used in chemical laboratories to divide solutions, acts as a membrane too.

 


Related Discussions:- What is a membrane

Entry of pollen tube into the embryo sac, Entry of Pollen Tube into the Emb...

Entry of Pollen Tube into the Embryo Sac The pollen tube enters the embryo sac through the filiform apparatus of ong of the synergids. Generally, one of the synergids degenera

Structural function - essential elements, Structural Function - Essential E...

Structural Function - Essential Elements The elements nitrogen, phosphorus and sulphur absorbed from the soil are essential components of amino acids and nucleotides. The othe

How do fishes do gas exchange, Q. How do fishes do gas exchange? Fishes...

Q. How do fishes do gas exchange? Fishes "breath" through gills, branchiae or Gills, are highly vascularized organs specialized in gas exchange under water and present in aquat

Complementation of genes, how would one determine that the wild type phenot...

how would one determine that the wild type phenotype of a certain trait is due to the action of one or two genes?

Define the spatial processes, Define the Spatial processes? Environment...

Define the Spatial processes? Environmental and integrative biology cuts across a wide array of spatial scales, and theoretical approaches that take into account these widely v

Summary of economic dimensions of financing healthcare, Normal 0 ...

Normal 0 false false false EN-IN X-NONE X-NONE MicrosoftInternetExplorer4

Explain hormones, What are hormones? Hormones are substances secreted b...

What are hormones? Hormones are substances secreted by the endocrine glands and collected by the circulation that act to make effects upon exact organs and tissues. Hormones

Db is a standard abbreviation, DB is a standard abbreviation used for the q...

DB is a standard abbreviation used for the quantitative expression of: 1. the density of bacteria in a medium 2. a particular pollutant 3. the dominant Bacillus in a cultu

What is energy, What is Energy ? Energy Energy is defined as the cap...

What is Energy ? Energy Energy is defined as the capacity to do work. Work is defined as the movement of a mass, or the product of the force and the distance through which t

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