NEET BIOLOGY

REPRODUCTION

REPRODUCTION IN ORGANISMS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
What does DNA stand for?
A
Deoxyribonucleic acid
B
Denitrogenous acid
C
Deribonucleic acid
D
Diribonucleic acid
Explanation: 

Detailed explanation-1: -Listen to pronunciation. (dee-OK-see-RY-boh-noo-KLAY-ik A-sid) The molecules inside cells that carry genetic information and pass it from one generation to the next. Also called DNA.

Detailed explanation-2: -The molecules inside cells that carry genetic information and pass it from one generation to the next. Also called DNA.

Detailed explanation-3: -Deoxyribonucleic Acid (DNA) (National Human Genome Research Institute)

Detailed explanation-4: -Because of its structure, DNA is commonly referred to as deoxyribonucleic acid. The nucleic acid has a phosphate backbone with bases such as adenine, cytosine, guanine, and thymine, while the deoxyribose portion contains pentose sugar. The-OH group at position two of the sugar ring is absent in deoxyribose.

Detailed explanation-5: -Each gene’s code uses the four nucleotide bases of DNA: adenine (A), cytosine (C), guanine (G) and thymine (T)-in various ways to spell out three-letter “codons” that specify which amino acid is needed at each position within a protein.

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