What are the three parts of the DNA monomer?
Nucleic acids are polymers of individual nucleotide monomers. Each nucleotide is composed of three parts: a 5-carbon sugar, a phosphate group, and a nitrogenous base.
What is the monomer of the DNA molecule quizlet?
What are the different types of monomers that make up DNA?
Chemists call the monomers “nucleotides.” The five pieces are uracil, cytosine, thymine, adenine, and guanine. No matter what science class you are in, you will always hear about ATCG when looking at DNA.
How many monomer types are there in DNA?
What are 4 types of DNA?
Because there are four naturally occurring nitrogenous bases, there are four different types of DNA nucleotides: adenine (A), thymine (T), guanine (G), and cytosine (C).
Is DNA in our blood?
Blood is an excellent source of human DNA. DNA is present in white blood cells of humans, but not red blood cells which lack nuclei. A dime-sized spot of blood, approximately 50 µl in volume, is enough DNA for a typical VNTR analysis.
What race is the oldest in the world?
An unprecedented DNA study has found evidence of a single human migration out of Africa and confirmed that Aboriginal Australians are the world’s oldest civilization
What civilization is older than Egypt?
Is Egypt older than China?
In terms of age, civilizations in other parts of the world precede China. Writing systems in Egypt and Mesopotamia predate Chinese writing by a thousand years. The world’s first city, Uruk, in modern-day Iraq, dates back seven thousand years. Even in comparison to Europe, China isn’t that old.
What was the world like 5000 years ago?
Lasting roughly 2.5 million years, the Stone Age ended around 5,000 years ago when humans in the Near East began working with metal and making tools and weapons from bronze. During the Stone Age, humans shared the planet with a number of now-extinct hominin relatives, including Neanderthals and Denisovans
Which is oldest civilization in India?
Who Ruled India first?
Who first came to India?
explorer Vasco de Gama
Who named mohenjodaro?
R. D. Banerji
Which city is known as mound of dead?
Who destroyed Indus Valley civilization?
Apparently the Indus civillization was likely destroyed by the Indo-European migrants from Iran, the Aryans. The cities of Mohenjo-Daro and Harappa were built of fire-baked bricks. Over the centuries the need for wood for brick-making denuded the country side and this may have contributed to the downfall.
Who found the Harappan civilization?
The Harappa site was first briefly excavated by Sir Alexander Cunningham in 1872-73, two decades after brick robbers carried off the visible remains of the city. He found an Indus seal of unknown origin. The first extensive excavations at Harappa were started by Rai Bahadur Daya Ram Sahni in 1920.
How Harappa got its name?
Harappa (Punjabi pronunciation: [ɦəɽəppaː]; Urdu/Punjabi: ہڑپّہ) is an archaeological site in Punjab, Pakistan, about 24 km (15 mi) west of Sahiwal. The site takes its name from a modern village located near the former course of the Ravi River which now runs 8 km (5.0 mi) to the north.
In what country is Harappa located now?
Who was Sir Daya Ram Sahni?
Rai Bahadur Daya Ram Sahni CIE (16 December 1879 – 7 March 1939) was an Indian archaeologist who supervised the excavation of the Indus valley site at Harappa in 1921 and 1922.