Genes that are responsible for different characters may either be situated in the same chromosome or in a different one. When the genes are situated in different chromosomes, they assort…
Gregor Johann Mendel conducted a series of experiments on hybridization of peas. From these studies, he proposed two universally accepted laws of inheritance; the law of segregation, and the law…
Chromosomes are essential nuclear component that plays an important role in the transmission of hereditary information. Prokaryotic chromosomes are circular and have either DNA or RNA as principal chemical component.…
Enzymes are special biomolecules that catalyse biochemical reactions. Almost all enzymes are proteins i.e. chains of amino acids linked together. Enzymes catalyse chemical reactions by lowering the activation energy of…
The Krebs cycle also known as the Citric acid cycle or Tricarboxylic acid cycle – TCA cycle is one of the most important metabolic pathways for the production of energy…
Given below are the differences between prokaryotes and eukaryotes: FeatureProkaryotesEukaryotes1. SizeTypically smaller (1–10 µm).Larger (10–100 µm or more).2. NucleusNo true nucleus; DNA resides in a nucleoid.True nucleus with a nuclear…
Majority of unicellular organisms and few multicellular organisms from identical copies of themselves through asexual reproduction. However, the multicellular and unicellular eukaryotes reproduce using sexual reproduction. In such higher organisms,…
Cell can induce self-destruction, when it is damaged, useless or potentially dangerous to other cells. The phenomena of programmed cell death is known as apoptosis. ‘Apoptosis’ is a Greek term…