Exploring DNA: Structure and Function

What is the basic structural unit of DNA?

• Chromosome

• Nucleotide

• Gene

• Ribosome

Which sugar is found in the backbone of DNA?

• Ribose

• Glucose

• Deoxyribose

• Fructose

What is the shape of the DNA molecule?

• Single helix

• Double helix

• Triple helix

• Linear strand

Where in the cell is DNA primarily located in humans?

• Cytoplasm

• Nucleus

• Mitochondria

• Cell membrane

What are the four nitrogenous bases found in DNA?

• Adenine, Thymine, Guanine, Cytosine

• Adenine, Uracil, Guanine, Cytosine

• Thymine, Uracil, Guanine, Cytosine

• Adenine, Thymine, Guanine, Ribose

What is the function of genes?

• To provide energy for the cell

• To code for proteins

• To transport oxygen

• To digest food

What is a chromosome?

• A type of protein

• A structure made of DNA and proteins

• A sugar molecule

• A nitrogenous base

How many chromosomes are found in a typical human cell?

• 23

• 46

• 44

• 92

What is the human genome?

• The total number of cells in the body

• The complete set of genes or genetic material in a cell

• The number of chromosomes in a cell

• The amount of protein in a cell

Which scientists are credited with discovering the structure of DNA?

• Charles Darwin and Gregor Mendel

• James Watson and Francis Crick

• Marie Curie and Rosalind Franklin

• Albert Einstein and Isaac Newton