DNA Structure and Function

DNA is a

• protein

• nucleic acid

• lipid

• carbohydrate

Part A of the diagram is a

• Phosphate

• Nucleic acid

• Nitrogenous base

• Deoxyribose sugar

Part B of the diagram is a

• Phosphate

• Nucleic acid

• Nitrogenous base

• Deoxyribose sugar

Part C of the diagram is a

• Phosphate

• Nucleic acid

• Nitrogenous base

• Deoxyribose sugar

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NGSS.HS-LS1-1

DNA's structure is best described as a(n)

• butterfly

• double helix

• undefined mass

• a ladder

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NGSS.HS-LS1-1

The four bases are

• Adenine, Guanine, Cytosine and Uracil

• Adenine, Guanine, Cytosine and Thymine

• Adenine, Uracil, Cytosine and Thymine

• Adenine, Guanine, Cytoplasm and Thymine

DNA is held together by

• ionic bonds

• James Bonds

• hydrogen bonds

• covalent bonds

Segments of DNA that code for (store the recipe for) making membrane proteins, enzymes, antibodies, structural proteins are called

• genes

• chromosomes

• Cellular Cookbooks

• proteins

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NGSS.HS-LS1-1

Are your genes unique to you and only you? Why or why not?

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NGSS.HS-LS3-2

The order of the bases in the DNA determines

• the order of the amino acids in the protein

• the order of the proteins in the amino acid

• the shape of the DNA molecule

• whether the DNA will form a chromosome or not

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NGSS.HS-LS1-1