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DNA nucleotides are composed of three components: a nitrogenous base, a deoxyribose sugar, and a phosphate group. The nitrogenous bases […]

Net charge is the total electrical charge of an object, calculated by summing up the individual charges of its constituent

The current time in Colombo, Sri Lanka, as per Sri Lanka Standard Time (SLST), is +5:30 hours ahead of Coordinated

In cellular respiration, reactants are the starting materials that undergo chemical changes to produce energy. The primary reactants in this

The tropopause, the boundary between the troposphere and stratosphere, has an approximate height of 10-15 km and a temperature of

A catalyst is a substance that speeds up a chemical reaction without being consumed. It provides an alternative pathway for

The speaker’s tone conveys their attitude and emotions towards the subject or audience. It can be interpreted through word choice,

GTP (Guanosine Triphosphate) is a molecule crucial for cellular processes. It acts as a “molecular switch,” binding to proteins and

Dihydrogen monoxide, commonly known as water, has the chemical formula H2O. This molecular composition signifies that one molecule of water

Inexhaustible resources are perpetually available and never deplete. They include renewable resources that replenish naturally (e.g., solar, wind, hydropower) and

Plane mirrors are flat surfaces that reflect light, obeying the law of reflection where the angle of incidence equals the

Light is an electromagnetic radiation made up of packets of energy called photons. These photons have a dual nature, behaving