Basics
Comparing Prokaryotic and Eukaryotic Cells
Cells fall into one of two broad categories: prokaryotic and eukaryotic. The predominantly single-celled organisms of the domains…
July 12, 2021 · Rajil TLLatest articles
Basics
Microscopy
Cells vary in size. With few exceptions, individual cells are too small to be seen with the naked…
July 12, 2021 · Rajil TLBasics
Introduction to Cell Structure and Function
Figure 3.1 (a) Nasal sinus cells (viewed with a light microscope), (b) onion cells (viewed with a light…
July 12, 2021 · Rajil TLBasics
DNA Double-Helical Structure
DNA has a double-helical structure. It is composed of two strands, or polymers, of nucleotides. The strands are…
July 12, 2021 · Rajil TLBasics
Nucleic Acids
Nucleic acids are key macromolecules in the continuity of life. They carry the genetic blueprint of a cell and…
July 12, 2021 · Rajil TL
Basics
Proteins, Hormones & Amino acids
Proteins Protiens are one of the most abundant organic molecules in living systems and have the most diverse…
July 12, 2021 · Rajil TLBasics
Lipids
Lipids include a diverse group of compounds that are united by a common feature. Lipids are hydrophobic (“water-fearing”), or…
July 12, 2021 · Rajil TL
Basics
Biological Molecules
The large molecules necessary for life that are built from smaller organic molecules are called biological macromolecules. There are…
July 12, 2021 · Rajil TL
Basics
Buffers, pH, Acids, and Bases
The pH of a solution is a measure of its acidity or alkalinity. You have probably used litmus paper,…
July 12, 2021 · Rajil TL
Cell Biology
Water
Do you ever wonder why scientists spend time looking for water on other planets? It is because water…
July 12, 2021 · Rajil TL