Explanation

Most bacteria have a haploid genome,

a single chromosome consisting of a circular,

double-stranded DNA molecule.

Explanation

Fractional distillation separates miscible liquids that have different boiling points.

It is useful for separating ethanol from a mixture of ethanol and water,

and for separating crude oil into different products such as petrol, diesel, and kerosene.

Explanation

polarimeter detects whether one or both enantiomers are present in a sample.

It consists of:

a light source

a polarizer

a sample cell

a detector

an analyzer.

Explanation

The copper Test measures the amount of ceruloplasmin in our blood.

Ceruloplasmin is a protein that stores and carries copper into your bloodstream.

Explanation

In chemical weed control, chemicals called herbicides are used to kill certain plants or inhibit their growth.

They are diluted with water and sprayed in the fields.

ND12_8_2023

Explanation

Sir Alexander Fleming noticed that a mold called Penicillium notatum accidentally grew in one of his petri dishes and killed the surrounding Staphylococcus bacteria

Penicillin was discovered by Alexander Flaming In 1928.

Penicillin was the first true antibiotic.

The first patient Albert Alexander, a 43-year-old policeman, was treated with penicillin on 12 February 1941.

Alexander Flaming determined that penicillin had an antibacterial effect and published his findings in 1929.

Explanation

 3j-3k

• A pair consists of two equally opposite forces acting on two different but parallel lines of action.
• The moment of  force depends on the distance from the fulcrum and the magnitude of the force, but the moment of the pair is the net effect of the two moments of force.
  

Explanation

most protists qualify as microbes.

The protists are a diverse group of eukaryotes that cannot be classified as animals, plants, or fungi

Explanation

 Morphology in Biology  Study of the form and structure of animals and plants

The field of morphology was developed by Johann Wolfgang von Goethe (1790) and independently by the German anatomist and physiologist Karl Friedrich Burdach (1800).

while

Morphology in linguists deals with the Study of the formation of words.

The term was first used in linguistics by August Schleicher in 1859

Explanation

Homo sapiens, (Latin: “wise man”) is the species to which all modern human beings belong

All modern humans are classified into the species Homo sapiens, coined by Carl Linnaeus in his 1735 work Systema Naturae.

The generic name "Homo" is a learned 18th-century derivation from the Latin homō, which refers to humans of either sex.