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PTM
- Jul 1, 2021
- 5 min
PROKARYOTIC CELL MEMBRANES
Membranes are an absolute requirement for all living organisms. Cells must interact during a selective fashion with their environment,...
PTM
- Jun 30, 2021
- 6 min
CELL STAINING
Cellular Staining Staining is an auxiliary approach applied in microscopy to bolster assessment within the microscopic photograph. Stains...
PTM
- Jun 26, 2021
- 3 min
ECOLOGICAL PRINCIPLES
The main objective of the study of ecology is to look at the use of ecological resources and to stay them during a healthy condition for...
PTM
- Jun 14, 2021
- 4 min
COVALENT BOND
The cellular level of organization is merely a little step from the atomic level, as will become evident once we examine the importance...
PTM
- Jun 12, 2021
- 4 min
PEPTIDES
We now address polymers of amino acids, peptides and proteins. Biologically occurring polypeptides home in size from small to very large,...
PTM
- Jun 10, 2021
- 8 min
ELECTROPHORESIS
Electrophoresis is that the migration of charged molecules in response to an electrical field. Their rate of migration depends on the...
PTM
- Jun 7, 2021
- 5 min
IMMUNOGENICITY
Introduction Immune responses arise as a result of exposure to foreign stimuli. The compound that evokes the response is referred to...
PTM
- Jun 6, 2021
- 8 min
STRUCTURE OF DNA
DNA (deoxyribonucleic acid) may be a polymer, a long, chainlike molecule made from subunits called monomers. Many important biological...
PTM
- Jun 5, 2021
- 4 min
ORGANIC EVOLUTION
What's Evolution? The formation of complex organisms through ‘gradual change’ from simple ancestral types over the course of geologic...
PTM
- Jun 2, 2021
- 10 min
BASIC PROPERTIES OF CELL
Just as vegetation and animals are alive, so too are cells. Lifestyle, in reality, is the maximum primary asset of cells and cells are...
PTM
- May 7, 2021
- 3 min
DNA IS THE GENETIC MATERIAL FOR BACTERIA AND VIRUSES
The idea that the genetic material of organisms is DNA has its roots within the discovery of transformation by Frederick Griffith in...
PTM
- May 7, 2021
- 4 min
WHAT ARE GENES?
The hereditary basis of each living organism is its genome, an extended sequence of desoxyribonucleic acid (DNA) that gives the entire...