Does Genotype Change Under The Influence Of The Environment?
Reproducing individuals are units of natural selection. It is the gene pool of the population that is exposed to natural... View Article
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Summarize The Mutation Theory.
New species evolve by sudden and distinct heritable changes called mutations The first individual showing a change is called a... View Article
Write About The Observed Facts And Deductions Of Darwinism.
The following table depicts the observed facts and deductions of Darwinism – Deductions Observed facts Struggle for existence Enormous fertility... View Article
Write About The Struggle For Existence On Which Darwinism Is Based.
Consequent to overproduction, there is keen competition for shelter, food and mating among the newly produced individuals. This competition is... View Article
Why Did The Earth Have A Reducing Atmosphere Earlier?
As the earth started cooling, stable bonds were formed between the atoms to form molecules (this was the beginning of... View Article
What Is The Biological Significance Of RNA?
The biological significance of RNA is as follows – mRNA molecule conveys the genetic information in the form of codons... View Article
Describe The mRNA.
mRNA is the largest of all the RNAs and accounts for about 5% of the total cellular RNA. It is... View Article
What Is The Biological Significance Of DNA?
The biological significance of DNA is – DNA is the most important stable molecule which is the seat of all... View Article
What Is The Biological Significance Of Enzymes?
The biological significance of enzymes – They are involved in biological processes such as digestion Reactions taking place during photosynthesis... View Article
How Does The Hydrogen Ion Concentration Affect Enzyme Activity?
Enzymes are sensitive to changes in pH of the reaction medium. Every enzyme has its own range of pH in... View Article
Give An Example Of An Enzyme Mechanism.
One of the best-known enzyme mechanisms is bioluminescence. Here, the production of cold light takes place by entities. Some fungi,... View Article
What Is The Biological Significance Of Lipids?
The biological significance of lipids are – Structural lipids such as the phospholipids form the material of the biological membranes... View Article
What Are The Types Of Glycolipids?
Glycolipids are lipids containing carbohydrates in their molecules. Animal cells have the following two types of glycolipids – Gangliosides –... View Article
Give Some Examples Of Conjugated Proteins.
Some examples of conjugated proteins – Name of protein Description Example Nucleoproteins Protein in combination with nucleic acids nucleohistones Glycoproteins... View Article
What Is Denaturation And Renaturation Of Proteins?
The disruption of the secondary, tertiary or quaternary structure of protein molecules by subjecting them to higher temperatures, radiations, alkalies,... View Article
Why Are Amino Acids Amphoteric?
As the name amino acids imply, amino acids are made of at least one acidic carboxyl (-COOH) and a basic... View Article
Give Examples For Essential And Non-essential Amino Acids.
Amino acids are building blocks of proteins. There are about 26 (number varies depending on the configuration changes) different naturally... View Article
Why Are Proteins Called Giant Molecules?
Proteins are the main component of all cells. It occupies a central position in the functional and structural traits of... View Article
What Is The Biological Significance Of Carbohydrates?
In many tissues, carbohydrates are stored in the form of reserve products. Starch is usually seen in tubers, seeds and... View Article
What Does Bioinformatics Entail?
It is the application of computer technology to the management of biological information. It is the branch of information technology... View Article
