What is the structure of DNA commonly known as?

• Circular structure

• Double helix

• Single strand

• Triple helix

Who published the structure of DNA in 1953?

• Rosalind Franklin and Maurice Wilkins

• Charles Darwin and Gregor Mendel

• Albert Einstein and Niels Bohr

• James Watson and Francis Crick

What do proteins determine in an organism?

• Proteins are responsible for the speed of an organism's movement.

• Proteins determine the traits and functions of an organism.

• Proteins determine the color of an organism's environment.

• Proteins dictate the size of an organism's habitat.

What are chromosomes made of?

• Chromosomes are made of amino acids and sugars.

• Chromosomes are made of RNA and lipids.

• Chromosomes are made of carbohydrates and water.

• Chromosomes are made of DNA and proteins.

Where are chromosomes located in a cell?

• In the mitochondria of eukaryotic cells

• In the nucleus of eukaryotic cells and in the cytoplasm of prokaryotic cells.

• In the ribosomes of prokaryotic cells

• In the cell membrane of all cells

What are the sides of the DNA double helix made of?

• Amino acids and proteins

• Lipids and carbohydrates

• Nucleotides and ribose

• Sugar and phosphate groups

What does DNA stand for?

• Dioxyribonucleic Acid

• Deoxyribonucleic Acid

• Deoxyribonitric Acid

• Deoxyribonucleic Base

What are the rungs of DNA made of?

• Nitrogenous bases (adenine, thymine, cytosine, guanine)

• Sugar molecules

• Phosphate groups

• Proteins

What is the role of nitrogen bases in DNA?

• Nitrogen bases provide energy for cellular processes.

• Nitrogen bases encode genetic information and form base pairs that stabilize the DNA structure.

• Nitrogen bases are responsible for protein synthesis directly.

• Nitrogen bases act as a source of nutrients for DNA replication.

How do parents pass traits to their offspring?

• Traits are passed through environmental factors.

• Offspring inherit traits from their grandparents only.

• Parents pass traits to their offspring through the inheritance of genes.

• Parents pass traits through learned behaviors.