B.7.A DNA Structure Study Questions

What are the building blocks of DNA?

• Amino acids

• Fatty acids

• Nucleotides

• Sugars

What are the three parts of a DNA nucleotide? (Select all that apply)

• Phosphate group

• Nitrogen base

• Sugar

• Amino acid

Which nitrogen bases pair together in DNA? (Select all that apply)

• Adenine – Thymine

• Guanine – Cytosine

• Adenine – Guanine

• Thymine – Cytosine

What shape is the DNA molecule?

• Single helix

• Circle

• Double helix

• Linear chain

Where is DNA located in a eukaryotic cell?

• Cytoplasm

• Ribosome

• Nucleus

• Mitochondria

What carries the genetic instructions that determine an organism’s traits?

• Lipids

• Proteins

• DNA

• Enzymes

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What part of the nucleotide carries the genetic code?

• Phosphate group

• Sugar

• Nitrogen base

• Hydrogen bond

How does the order of DNA bases affect an organism?

• It changes the size of the cell

• It determines the traits the organism will have

• It controls blood flow

• It affects cell division only

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Which of the following best describes the function of DNA?

• Transports proteins

• Stores genetic information

• Provides energy

• Regulates temperature

Scientific evidence supports that DNA is the molecule responsible for:

• Storing fat

• Providing structure to cells

• Heredity and genetic traits

• Breaking down food

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