21.
What is the full form of DNA?
A
Deoxyribonucleic acid
B
Dicarboxylic nucleic acid
C
Deoxyribose nitrogen acid
D
Deoxyribose nucleotide acid
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What is the full form of DNA?
Deoxyribonucleic acid
Dicarboxylic nucleic acid
Deoxyribose nitrogen acid
Deoxyribose nucleotide acid
What kind of molecule is DNA?
Protein
Carbohydrate
Nucleic acid
Lipid
What discovery technique was key to the DNA model?
X-ray diffraction
Gel electrophoresis
PCR
Centrifugation
What was the title of Watson's book about the discovery of DNA?
The Double Helix
DNA: A New Frontier
Cracking the Code
Genes and Us
What type of bonds hold the base pairs together in DNA?
Covalent bonds
Hydrogen bonds
Ionic bonds
Metallic bonds
Which base pairs with Cytosine (C) in DNA?
Thymine (T)
Adenine (A)
Guanine (G)
Uracil (U)
Which base pairs with Thymine (T) in DNA?
Guanine (G)
Adenine (A)
Cytosine (C)
Uracil (U)
Who else contributed to the discovery of DNA but didn't win the Nobel Prize?
Rosalind Franklin
Erwin Chargaff
Linus Pauling
Max Perutz
In which year did Watson and Crick publish their model of DNA?
1950
1953
1956
1961
Which of the following is NOT a component of DNA identified by Watson and Crick?
Deoxyribose sugar
Phosphate
Nitrogenous bases
Amino acids
What did Watson and Crick suggest DNA's structure explained?
Energy transfer
Genetic inheritance
Protein synthesis
Cell division
What nationality was James Watson?
British
American
Canadian
Australian
What nationality was Francis Crick?
British
American
Canadian
Australian
What was Francis Crick's main field of study before DNA?
Physics
Chemistry
Biology
Medicine
Where did Watson and Crick work together?
Cavendish Laboratory
National Institutes of Health
Cold Spring Harbor Laboratory
Max Planck Institute
What forms the backbone of DNA?
Phosphate and sugar
Nitrogen and sugar
Protein and phosphate
Carbohydrate and nitrogen
What are the base pairs Watson and Crick identified in DNA?
A-T and G-C
A-G and C-T
A-C and G-T
A-A and G-G
Which of these is a key feature of the DNA double helix?
Parallel strands
Antiparallel strands
Random structure
Single helix
What did Chargaff's rules help explain in Watson and Crick's model?
Protein synthesis
Base pairing
DNA replication
Gene expression
What did James Watson and Francis Crick discover?
DNA structure
RNA synthesis
Protein folding
Cell division