What Happens In Exocytosis?
In exocytosis, cells direct contents of secretory vesicles out of the cell membrane. Such vesicles have soluble proteins to be... View Article
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Where Does Transcytosis Occur?
It is the process of transfer of internalized receptors across cells to the opposite domains of the plasma membrane. It... View Article
What Are The Phases Of Receptor-mediated Endocytosis For Cholesterol Uptake?
The various phases of the receptor-mediated endocytosis for cholesterol uptake are – Receptor activation and it’s binding Coated pit formation... View Article
What Are The Phases Of Clathrin-mediated Endocytosis?
The different phases of clathrin-mediated endocytosis are – Macromolecules associate with particular cell surface receptors Receptors are then concentrated in... View Article
What Are The Different Phases Of Phagocytosis In Amoeba To Capture Food?
In amoeba, the different phases of phagocytosis for food capturing are: On phagocytic cell, attachment of the macromolecules to the... View Article
How Are Membrane Forming Envelopes In Mycobacteria Characterized?
The membrane which forms an envelope in the mycobacteria is characterized by its low permeability. It imparts resistance of microbes... View Article
Describe The Cell Walls Of Gram-positive Bacteria.
Cell walls of gram-positive bacteria lack an outer membrane. However, it has a thick murein layer. Teichoic acids in these... View Article
What Are The Steps Involved In The Transportation Of Na+ And Glucose?
These are the steps occurring during the transportation of Na+ and glucose – Na+ and glucose binds to the conformation... View Article
What Are The Types Of Cotransporters Based On The Movement Of Ions?
Based on the movement of ions, cotransporters can be grouped into – Cation cotransporter – an example of cation transporter... View Article
What Are The Types Of Cotransporters Based On The Movement Of Solutes?
Based on the movement of solutes, cotransporters can be classified into these two categories – Antiport – transported molecules and... View Article
What Are Some Functions Of Vacuoles?
Vacuoles are involved in – Serve as storage organelles, containing small molecules and water. Store minerals, salts, proteins, pigments, assists... View Article
Give An Example Of Symport.
Symport is a form of active transport. It uses the downhill movement of solute species from high concentration to lower... View Article
Give An Example Of Antiport.
Antiport is a form of active transport. Two species of solutes or ions are pumped in opposite directions across a... View Article
What Happens In Filtration?
In this process, solutes and water molecules move across the cell membrane because of hydrostatic pressure produced by the system.... View Article
What Are The Types Of Transport Process?
There are two types of transport processes occurring across the membranes – Mediated transport Non-mediated transport Non mediated transport takes... View Article
What Does The Sulfur Cycle Involve?
Several bacteria have a role to play in the sulfur cycle. These sulfur compounds form a key part of proteins.... View Article
What Does The Iron Cycle Involve?
The iron cycle revolves around the ferrous iron to ferric iron and then back again. In some bacteria, ferric iron... View Article
What Is The Role Of Microbes In Soil?
They disintegrate rock particles and convert nutrients into soluble forms using acid secretions Hyphae serve as root extensions, aerating soil.... View Article
How Can Signals Be Amplified?
Signal amplification methods can be used in conjugation. Signals can be amplified using the Avidin-Biotin interactions or some other commercially-available... View Article
What Are Fixatives And Antigen Retrieval In Immunohistochemistry Practice?
Fixatives – required to preserve tissues and cells in a reproducible, leaf-like pattern. Sections, tissue blocks, smears are immersed in... View Article
