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Plasma membrane and cell wall is not the similar thing. Plasma membrane, also known as cell membrane, is the outer membrane common to all living cells and it is made of a phospholipid bilayer, embedded proteins and some appended carbohydrates.
Because cell membranes are fragile, in some types of cells there are even outer structures that support and protect the membrane, such as cellulose wall of plant cells and the chitin wall of some fungi cells. Most bacteria also there an outer cell wall made of peptidoglycans and other organic substances.
Why is sub-culturing essential in plant tissue culture? Explain the process of heterosis. How is it dissimilar from inbreeding depression? Where and how is urea produced in
Double fertilization It carries two sperm cells to the female. A characteristic of angiosperms in which the pollen tube gametophyte in the ovule. The one sperm cell fuses with the
Explain the major classes of lipids The major classes of lipids are simple lipids (acylglycerols and waxes); Compound lipids (glycerophospholipids); Derived lipids (compounds t
Define the term- Ultrafiltration Ultrafiltration occurs when the flow of a substance across a cell membrane is increased by a hydrostatic pressure. This process was initially b
Mammals - Regeneration in Vertebrates Mammals are not capable of regenerating limb or tails. However, there are a few exceptions where lost tissues are regenerated. The annual
What are the target organs upon which insulin and glucagon act? Glucagon mostly acts upon the liver. Insulin acts in general upon all cells. Both also act upon the adipose tiss
what are the modes of reproduction?
Which one of the following is one of the characteristics of a biological community? 1. Stratification 2. Natality 3. Mortality 4. Sex-ratio Stratification
Reduction of NADP+ occurs during what?
Mineral availability of organic mineral complexes A number of mineral chelates and complexes are available from a variety of manufacturers. A chelate is described as a metal c
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