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Q:

What are the sides of the dna ladder made of

A) nitrates and sugars B) sugars and hydrates
C) sugars and phosphates D) phosphates and nitrates
 
Answer & Explanation Answer: C) sugars and phosphates

Explanation:

DNA is a double-stranded molecule twisted into a helix. The shape of DNA is a double helix, which is like a twisted ladder. The sides of the ladder are made of alternating sugar and phosphate molecules. Deoxyribose, which is a pentose, and a phosphate group are the two molecules together form the two sides of the DNA. The rungs of the ladder are pairs of 4 types of nitrogen bases.

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Filed Under: General Science
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Q:

The United Nation declared 2006 as the International year of

A) Rice B) World Population
C) Communication D) Elderly Persons
 
Answer & Explanation Answer: A) Rice

Explanation:
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Filed Under: Important Days and Years

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Q:

Which Battle marked the end of Napoleon era

Answer

Waterloo

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Subject: World History

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Q:

The element common to all acids is

A) Hydrogen B) Oxygen
C) carbon D) Sulphur
 
Answer & Explanation Answer: A) Hydrogen

Explanation:

Hydrogen is the common element in all acids.

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Filed Under: Chemistry
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Q:

The alpha-particles are

A) high energy electrons B) positively charged hydrogen irons
C) high energy x ray radiations D) double positively charged helium nuclei
 
Answer & Explanation Answer: D) double positively charged helium nuclei

Explanation:
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Filed Under: Chemistry

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Q:

The protoplasm of a child is exactly the same as that of its

A) mother B) father
C) grandfather D) identical twin
 
Answer & Explanation Answer: D) identical twin

Explanation:

Though all living organisms  are made of protoplasm each individual has a different composition however slight it be. In identical twins the same cell divides into two and each one develops into one person. So the genitic make-up and type of protoplasm are exactly the same.

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Filed Under: Biology

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Q:

' Mohs scale ' is used to indicate the

A) degree of brittleness of a substance B) degree of hardness of mineral
C) degree of viscosity of a liquid D) degree of elasticity of a material
 
Answer & Explanation Answer: B) degree of hardness of mineral

Explanation:
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Filed Under: World Geography

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Q:

Social Rights will not include _____ of the following?

A) Adivasi B) Women
C) Care for Political Section D) Children
 
Answer & Explanation Answer: C) Care for Political Section

Explanation:
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Filed Under: Indian Politics
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