AP Biology DNA Structure

What does DNA stand for?

• Deoxyribonucleic acid
• Denitrogenous acid
• Deribonucleic acid
• Diribonucleic acid

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NGSS.MS-LS3-1

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Why is DNA important?

• it is very small and very complicated
• it's in everything
• it serves as the blueprint for traits of all living things
• because we eat it every day for energy

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NGSS.HS-LS1-1

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Identify what structure is outlined in the BLACK outline.

• Base pair

• deoxyribose sugar

• phosphate group

• hydrogen bonds

• Nucleotide

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NGSS.HS-LS1-1

The two strands of DNA are held together by:

• Hydrogen Bonds
• Phosphodiester Bonds
• Glycolsyl Bonds
• Glycosidic Linkages

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NGSS.HS-LS1-1

Primary functions of DNA are (mark all that apply)

• Transmit information on heredity from one generation to the next

• Control cellular respiration

• Regulate homeostasis

• Provide a blueprint for making proteins

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NGSS.HS-LS1-1

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A nucleotide is composed of

• A phosphate, sugar and nitrogenous base

• A protein, protein and Guanine

• A phosphate, Adenine, and nitrogenous base

• A protein, Adenine and nitrogenous base

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NGSS.HS-LS1-1

Which of the following is a base pair?

• Adenine - Cytosine

• Cytosine - Thymine

• Deoxyribose - Cytosine

• Cytosine - Guanine

RNA is different than DNA because ___ (Mark all that apply)

• It is a single strand instead of a double helix

• It contains Uracil instead of Thymine

• It is an nucleic acid instead of an amino acid

• It is shorter in length

What are the three components of a nucleotide?

• sugar, hydrogen, nitrogen base
• sugar, oxygen, nitrogen base
• sugar, phosphate, nitrogen base
• sugar, phosphate, protein

Which of the following best describes a DNA molecule?

• double helix
• contains ribose
• made of amino acids
• contains Uracil

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NGSS.HS-LS1-1