Explanation

Penicillin works best on gram-positive bacteria by inhibiting peptidoglycan production, making the cells leaky and fragile

The cells burst open and are much easier for the immune system to break down, which helps the sick person heal more quickly.

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Related Question

Penicillin was discovered by Alexander Flaming In 1928

Penicillin was the first true antibiotic

Explanation

• In 1875, Alfred Nobel invented blasting gelatin
• Also known as gelignite
• Blasting Gelatin is a mixture of nitroglycerin and nitrocellulose (guncotton).

Additional information

• Alfred Nobel was a chemist from Sweden. 
• Born: October 21, 1833, Stockholm, Sweden
• Died on December 10, 1896, in Sanremo, Italy
• Full name: Alfred Bernhard Nobel
• Also invented dynamite and nitroglycerin 

Last updated question by NA 12-JUNE-2026

Explanation

Word Government Summit 2023

Venue: Dubai, UAE

Date: 13 February 2023

Theme 2023: Shaping Future Governments 

Explanation

Theodore Maiman made the first laser operate on 16 May 1960 at the Hughes Research Laboratory in California, by shining a high-power flash lamp on a ruby rod with silver-coated surfaces.

Explanation

Aristotle ("The Father of Political Science") (384–322 BC).

Aristotle was one of the first people to give a working definition of political science.

Explanation

NTFS stands for New Technology File System.

NTFS developed by Microsoft. 

Explanation

Air Commodore Sir Frank Whittle, was an English Royal Air Force air officer. He is credited with inventing the turbojet engine. A patent was submitted by Maxime Guillaume in 1921 for a similar invention; however, this was technically unfeasible at the time.

RY30012023

Explanation

Johannes Kepler published his first two laws about planetary motion in 1609, having found them by analyzing the astronomical observations of Tycho Brahe.

Kepler's third law was published in 1619.

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RY 15-01-2023

Explanation

Abacus was earliest calculating device invented in China.

Abacus was first chronicled circa 1200 C.E. in China. 

AGM 08-01-2023

Explanation

Charles Babbage was an inventor from UK.

Charles Babbage is known as the Father of Computer. 

Babbage born: 1791

Babbage died: 1871

AGM 17-12-2022