MCQ on Nucleosome Model of Chromosome
A nucleosome is the basic unit of DNA packaging in eukaryotes. It consists of a segment of DNA wrapped around a core of histone proteins. […]
Tag Archives: Cytology
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Mobile Genetic Elements and Their Impact on Genome Evolution
Genetic diversity is the cornerstone of evolution, enabling species to adapt and thrive in changing environments. At the heart of this diversity lie Mobile Genetic […]
Single Stranded DNA (ssDNA) vs Double Stranded DNA (dsDNA): Similarities and Differences
ssDNA vs dsDNA The DNA molecules are not always double stranded helical structures, sometimes they occur in single stranded form called ssDNA. In 1959 Robert […]
Difference between Necrosis and Apoptosis: A Comparison Table
Apoptosis vs Necrosis Apoptosis and Necrosis Apoptosis and Necrosis are two types of cell death occur in organisms. The cells undergo death when the cell […]
Nucleosome Model of Chromosomes in Eukaryotes (Short Notes)
Does the DNA really need to FOLD inside the nucleus? A diploid human cell contains approximately 6.4 billion base pairs. These 6.4 billion base pairs are […]
Folded Fibre Model of Chromosomes
The Folding Mystery of Chromosomes The chromosomes of eukaryotic organisms are a complex structural organization of DNA and proteins. The exact structural organization of proteins […]
Karyotype and Idiogram: Definition and Importance of Karyotype Test (Karyotyping) in Human
What is a Karyotype? All species are characterized by a set of chromosomes to carry their genetic information. The chromosomal composition of each species has […]
Classification of Chromosomes based on Position of Centromere and Length of Chromosomal Arms
The size and shape of the chromosomes are variable in the different phases of cell cycle. Chromosomes in the interphase of cell appear as thin, […]
Biochemistry of Plasma Membrane Lipids: Properties, Structure and Classification (Biochemistry Lecture Notes)
“Good fences make good neighbors” Robert Frost, “Mending Wall”, 1914 Biological membrane system: Biological membranes are highly dynamic two layers thick sheath like structures formed by […]