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WorksheetsUnderstanding DNA Double Helix
Total questions: 10
Worksheet time: 5mins
What is the shape of the DNA molecule?
Single strand
Double helix
Circular loop
Triple helix
Which two components make up the sides of the DNA ladder?
Sugar and phosphate
Lipids and carbohydrates
Amino acids and proteins
Nucleotides and bases
What are the building blocks of DNA called?
Nucleotides
Carbohydrates
Proteins
Amino acids
Which base pairs are found in DNA?
Adenine-Thymine (A-T) and Cytosine-Guanine (C-G)
Guanine-Thymine (G-T) and Adenine-Cytosine (A-C)
Adenine-Uracil (A-U) and Thymine-Cytosine (T-C)
Cytosine-Uracil (C-U) and Thymine-Guanine (T-G)
What type of bond holds the base pairs together?
Metallic bonds
Covalent bonds
Hydrogen bonds
Ionic bonds
What is the role of the sugar-phosphate backbone in DNA?
The sugar-phosphate backbone acts as a catalyst for protein synthesis.
The sugar-phosphate backbone is responsible for DNA replication.
The sugar-phosphate backbone provides structural support and stability to the DNA molecule.
The sugar-phosphate backbone carries genetic information in DNA.
How many strands does a DNA molecule have?
3 strands
1 strand
4 strands
2 strands
What is the significance of the double helix structure?
The double helix structure is primarily responsible for energy production in cells.
The double helix structure allows for rapid protein synthesis and cellular communication.
The double helix structure facilitates the transport of nutrients across cell membranes.
The double helix structure enables efficient storage, stability, and accurate replication of genetic information.
Who were the scientists that first described the DNA double helix?
Rosalind Franklin and Maurice Wilkins
Charles Darwin and Gregor Mendel
Albert Einstein and Niels Bohr
James Watson and Francis Crick
What is the function of DNA in living organisms?
The function of DNA in living organisms is to store and transmit genetic information.
DNA primarily functions to produce energy for cells.
DNA acts as a structural component of cell membranes.
DNA is responsible for the synthesis of proteins only.
