Panpipe

Panpipes (or pan flutes) are composed of several pipes of gradually increasing length.

Guitar

The guitar is a plucked string instrument available in various shapes.

Trumpet

The trumpet is a musical instrument with the highest register in the brass family.

Glutamine

One of the 20 amino acids that make up proteins.

Valine

One of the 20 amino acids that make up proteins.

Imidazole (C₃H₄N₂)

A biologically and practically important organic compound.

Serine

One of the 20 amino acids that make up proteins.

Threonine

One of the 20 amino acids that make up proteins.

Methyl formate (C₂H₄O₂)

The ester of formic acid and methanol, an aroma compound found in certain fruits.

Proline

One of the 20 amino acids that make up proteins. Its amino group and the 3rd carbon atom of the side chain form a ring.

38 M Toldi light tank

This light tank was used by the Royal Hungarian Army in World War II.

Tryptophan

One of the 20 amino acids that make up proteins. It contains an aromatic ring as part of its side chain.

Isoleucine

One of the 20 amino acids that make up proteins.

Histidine

One of the 20 amino acids that make up proteins.

Tyrosine

One of the 20 amino acids that make up proteins. It contains an aromatic ring as part of its side chain.

Fortress of Szigliget (17th century, Hungary)

The fortress was a member of the chain of fortifications built to protect against the Ottoman invaders. Its construction started in the 13th century.

RMS Queen Mary 2 (2003)

The largest ocean liner at the time of its construction.

Chloromethane (methyl-chloride) (CH₃Cl)

Chloromethane can be prepared by heating a mixture of methane and chlorine.

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