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Sunday, June 17, 2018

Collective Responsibility

10:16 PM 0
Collective Responsibility
Daily Education

Hey guys welcome back I'm here with you Mazhar saeed hope all of you healthy and have peace .
   Guys guys guys to everyone EID Mubarak.
    Ok let's talk about today's topic it is slightly different from others .
Okay let's Read about. .......

COLLECTIVE RESPONSIBILITY :->

Sunday, May 27, 2018

EMOTIONS

8:54 AM 0
EMOTIONS

Emotion =>
DEFINITION =>
"Emotions can be defined as a positive or negative experience that is associated with a particular pattern of physiological activity."
Emotions produce different physiological, behavioral and cognitive changes. The original role of emotions was to motivate adaptive behaviors that in the past would have contributed to the survival of humans. Emotions are responses to significant internal and external events.


You might also like to watch :
Life History Of Dale Carnegie

Emotion is any conscious  experience characterized by intense mental activity and a certain degree of pleasure or displeasure.Scientific discourse has drifted to other meanings and there is no consensus on a definition. Emotion is often intertwined with mood, temperament, personality, disposition, and motivation. In some theories, cognition is an important aspect of emotion. Those acting primarily on the emotions they are feeling may seem as if they are not thinking, but mental processes are still essential, particularly in the interpretation of events.


Thursday, May 24, 2018

Ribosomes

8:48 AM 0
Ribosomes
Ribosomes =>
 Small , tiny and granular particles either free in cytoplasm or attached with Endoplasmic reticulum.
     These are actually granules in nature. 
       They also attached with endoplasmic reticulum.
 SIZE =>
       It's size is about 20nm .
CHEMICAL COMPOSITION =>
 Chemically it is composed of almost equal amount of RNA & protein that is why it is also called Ribonucleoprotein.




SUBUNITS =>
Ribosomes have two Subunits. 
1) 70s Ribosome =>
It is smaller subunit of Ribosome it is found in prokaryotes.

2) 80s Ribosome =>
It is larger subunit of Ribosome found in eukaryotes.




POLYSOMES =>
When many Ribosomes are attached on the same strand of mRNA for protein synthesis then this is called POLYSOMES.





Types =>
1 ) type of Ribosome having smaller subunit of 30s and larger subunit of 50s.

2 ) The type of Ribosome having smaller subunit of 40s and larger subunit of 60s.

FUNCTION =>
Ribosomes help in the modifications of plasma membrane protein and lipids by adding carbohydrates with the help of mRNA and rRNA and convert it to glycoprotein and glycolipids.
   
☆It's all about ribosomes if you have read it then please give me feedback for my work to improve it☆

 And please please please leave a comment.

Monday, May 21, 2018

What is Macromolecules ?

4:24 AM 0
What is Macromolecules ?
《¤ MACROMOLECULES ¤》


DEFINITION =>

The large  biological molecules ( polymers ) that made of small biological molecules (monomers ) is known as macromolecules.




DERIVATION AND DISCOVERY:-

The term macromolecule is made of two words The  {macro and molecules}.
Macro => Means => Large.
So it's meant Large molecules.

 The term   macromolecule was coined by Nobel "Laureate Hermann Staudinger" in the "1920s,"
EXPLANATION =>


=>

These are the large molecules consistof small units called "monomers" .

MONOMERS => 

Small units from which polymers are formed OR from which polymers are made known as monomers. 

EXAMPLE :- 

Amino Acids made from protein here protein are monomers. 

POLYMER =>

 So the compounds made from monomers Called "PolyEXAMPLES

EXAMPLE :-
 Protein is a polymer made of monomers Called amino acids.

Protein +protein +......... => Amino Acids.

Biology refers to macromolecules as the large molecules comprising living things. In chemistry, the term may refer to aggregates of two or more molecules held together by intermolecular forces rather than covalent bonds but which do not readily dissociate.



ACCORDING TO "IUPAC" SYSTEM =>

According to the standard "IUPAC" definition, the term macromolecule as used in polymer science refers only to a single molecule.
For example,
A single polymeric molecule is appropriately described as a "macromolecule" or "polymer molecule" rather than a "polymer," which suggests a substance composed of macromolecules.

A macromolecule is a very large molecule, such as "protein," commonly created by the polymerization of smaller subunits "monomers". They are typically composed of thousands of atoms or more.

MEDICAL CONSIDERATION WITH SIZE AND NUMBER OF MONOMERS => 

Macromolecules are composed of much larger numbers of atoms than ordinary molecules. For example, a molecule of polyethylene, a Plastic material, may consist of as many as 2,500 methylene groups, each composed of two hydrogen atoms and one carbon atom. The corresponding molecular weight of such a molecule is on the order of 35,000. insulin, a proteins hormone present in the pancreas and responsible for regulation of blood-sugar levels, has a molecular unit derived from 51 amino acids (by themselves molecules containing carbon, hydrogen, oxygen, nitrogen, and sometimes sulfur). The exact molecular weight of insulin from cattle has been determined to be 5,734.

MACROMOLECULES IN BIOCHEMISTRY =>

The most common macromolecules in biochemistry are biopolymers (nucleic acids, proteins, carbohydrates and lipids) and large non-polymeric molecules (such as lipids and macrocycles).

SYNTHETIC MACROMOLECULES =>

 Synthetic macromolecules include common plastics and synthetic fibers as well as experimental materials such as carbon nanotubes.




PROPERTIES =>

Macromolecules often have unusual physical properties that do not occur for smaller molecules.

1 => DNA in a solution can be broken simply by sucking the solution through an ordinary straw because the physical forces on the molecule can overcome the strength of its covalent bonds.


2=> Another common macromolecular property that does not characterize smaller molecules is their relative insolubility in water and similar solvents, instead forming colloids. Many require salts or particular ions to dissolve in water. Similarly, many proteins will denature if the solute concentration of their solution is too high or too low.

3 => High concentrations of macromolecules in a solution can alter the rates and equilibrium constants of the reactions of other macromolecules, through an effect known as macromolecular crowding. This comes from macromolecules excluding other molecules from a large part of the volume of the solution, thereby increasing the effective concentrations of these solutions.

molecule" rather than a "polymer," which suggests a substance composed of macromolecules.




Sunday, May 20, 2018

Welcome guys.

12:55 PM 0
Welcome guys.

My first post :>

Hello guys I'm happy to share my first post of my blog. As the name shows that I have to put some topics like education none education and other self help topics that my readers are interested in. Guys guys guys  I want to share my knowledge that I have and also the knowledge of my mentors that I have taking from them everyday ,every night, every hour and minute.  


     I am requesting from you to contribute with me in my topics and remind me that I have some false understanding . And one another request please give me your interest.  Also help me to which way I can improve my blog and my topics style thank you .....
   

              Blogger :->    MAZHAR SAEED☆