The DNA

What is DNA?

• A type of protein found in cells.

• A molecule that determines characteristics and is shaped like a double helix.

• A simple sugar molecule.

• A type of cell that makes up bones.

What is the primary role of DNA in living organisms?

• To provide energy for cell functions.

• To act as a blueprint and instruct cells on what to do.

• To transport nutrients throughout the body.

• To form the outer layer of the skin.

What are amino acids considered to be?

• Energy sources for the body.

• Waste products of metabolism.

• Building blocks of life.

• Components of the cell membrane.

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How do cells produce proteins from DNA?

• DNA directly travels out of the nucleus to build proteins.

• RNA makes a copy of the DNA sequence and carries it to ribosomes to build proteins.

• Proteins are formed directly from amino acids without DNA involvement.

• The nucleus sends signals to the cytoplasm to create proteins.

What percentage of DNA do humans share with chimpanzees?

• 50%

• 75%

• 98%

• 99%