How Were Protovirus Formed?
Some scientists believe that nucleoprotein molecules developed a nutrient shell to become a virus-like structure called the protovirus. Thus, the... View Article
Latest Posts
How Were Autotrophs Believed To Have Formed?
A few chemoautotrophs eventually would have formed chlorophyll-like pigments with the use of magnesium porphyrin of oceanic water. These pigments... View Article
How Are Chemoautotrophs And Heterotrophs Formed?
Formation of Chemoautotrophs – prokaryotes should have obtained enzymes used to synthesize simple carbohydrates molecules from inorganic substances of the... View Article
What Are The Two Types Of tRNA Which Carry Methionine?
The synthesis of all proteins begins with the same amino acid – methionine. Signals to initiate a polypeptide chain is... View Article
What Are The Three Initiation Factors Used By Bacteria To Enter The Initiation Complex?
Bacteria make use of three initiation factors required for tRNA and mRNA to enter the initiation complex, which are IF-1,... View Article
Where Does Initiation Occur?
Initiation takes place at specialized sequences on the mRNA known as the ribosome-binding site, which is a short sequence of... View Article
What Are The Features Of Sites Of tRNA Which Are In Distinct Sites On Ribosomes?
Each of the tRNA is found in a distinct site on ribosomes. There are two sites having varying features –... View Article
What Is The Final Phase Of Translation?
The final phase of translation is termination. Termination starts when a stop codon enters ribosomes. There are no tRNAs that... View Article
What Is The Cause Of Exocrine Pancreatic Insufficiency?
Causes are as follows – Weak functioning of the Sphincter of Oddi which regulates the liberation of pancreatic and bile... View Article
What Are The Benefits Of Lipases?
The most significant digestive enzyme is pancreatic lipase because it is not sufficiently produced outside the pancreas. Excess fat in... View Article
What Are The Benefits Of Proteases?
Proteases (Proteolytic enzymes) consumed in a meal can assist in the disintegration of dietary protein. It promotes protein digestion and... View Article
Why Is Lac Operon An Example Of Gene Regulation In Response To Changes In Environmental Conditions?
Lac operon is a group of genes that function as a unit to metabolize and import the disaccharide lactose into... View Article
Brief About The Lac Operon Induction.
The lac operon is composed of the segments – A, Z, P, O, Y. Hence, a lac operon is a... View Article
What Is cAMP Receptor Protein?
It is a protein that binds inside the promoter of the operon region and facilitates the affinity of the promoter... View Article
How Are Repressible Enzymes Different From Inducible Enzymes?
Repressible enzymes are those which have their synthesis restricted by a metabolite. For instance – tryptophan. Such genes are turned... View Article
What Is Said To Be A Selfish Property Of The Lac Gene Cluster?
Even though the lacI repressor gene can control the expression of the lacZYA genes when it is set up at... View Article
The First Step In Lactose Metabolism Is Catalyzed By.
Jacob and Monod first coined the term ‘‘operon’’ after distinguishing the 1st classical operon, the lac operon, which was found... View Article
Which Of The Following Gastric Cells Indirectly Help In Erythropoiesis?
(a) Chief cells (b) Goblet cells (c) Mucous cells (d) Parietal cells Parietal cells indirectly help in erythropoiesis. Erythropoiesis is... View Article
All Of The Following Are Part Of An Operon Except?
(a) An operator (b) An enhancer (c) Structural genes (d) A promoter All of these are part of an operon... View Article
Stomatal Movement Is Not Affected By?
The concentration of oxygen. Stomata are tiny pores primarily found on leaf surfaces. It is through these pores that water... View Article
