biology

Differences between Osmosis and Diffusion

by
difference between osmosis and diffusion with examples

Osmosis and diffusion are fundamental processes that govern the movement of molecules in biological and physical systems. Both are passive transport mechanisms, requiring no external energy input, but they differ in the type of molecules they transport, the mechanisms they utilize, and their specific roles in maintaining cellular and systemic homeostasis. These processes are essential for the survival of living organisms, influencing everything from cellular hydration to gas exchange and nutrient distribution

Differences between Prokaryotic and Eukaryotic Cells

by
Differences between prokaryotic cells and eukaryotic cells

The main difference between Prokaryotic and Eukaryotic cells is that eukaryotes have a true nucleus and membrane-bound organelles whereas prokaryotic cells do not.

Definition, Classification and Types of Microorganisms

by
Definition, Classification and Types of Microorganisms

Microbes or microorganisms are microscopic organisms (i.e., they are not visible to naked eye) that exist as unicellular, multicellular, or cell clusters. Microorganisms are widespread in nature (they make up almost 60% of the earth’s living matter) and are beneficial to life, but some can cause serious harm.

Differences between A, B and Z forms of DNA

by
Difference between A, B and Z forms of DNA

DNA exists in multiple structural conformations, of which the A, B, and Z forms are the most well-known. These forms arise due to variations in helical structure, environmental conditions, and sequence-specific factors. Each form exhibits unique properties that significantly influence DNA’s biological function, adaptability, and interactions with proteins and other molecules. Understanding these differences is essential for insights into DNA’s role in genetic regulation, stability, and evolution.

Differences between DNA and RNA

by
Differences between DNA and RNA

What are the differences between DNA and RNA? Following are the differences between DNA and RNA -: Criteria DNA (Deoxyribonucleic Acid) RNA (Ribonucleic Acid) Full Form Deoxyribonucleic Acid Ribonucleic Acid Sugar Deoxyribose Ribose Structure Double-stranded (helix) Single-stranded Nitrogenous Bases Adenine, Thymine, Cytosine, Guanine Adenine, Uracil, Cytosine, Guanine Location Nucleus (mainly), Mitochondria Cytoplasm, Ribosome, Nucleus Function … Read more

Microbiology: Definition, History and Importance of Microbiology

by
Definition, History and Importance of Microbiology

Microbiology is the study of organisms and agents that are too small to be visible with the unaided eye – that is, the study of microorganisms.

Nervous System

by
Diagrammatic structure of Neuron

The system that controls and coordinates all the activities of various body parts in response to external and internal stimuli by the conduction of nerve impulses is called nervous system.

Health Organizations

by
World Health Organization

The two most important international health organizations are –: WHO (World Health Organization) and Red Cross

Hepatic portal System

by
Hepatic Portal System diagram

All the portal veins that carry their contents into liver collectively constitute the Hepatic Portal System.

Human Population

by
Human Population

Population may be defined as a group of organisms belonging to one species which occupy a given area at a given time.