VCS Biology_ Unit 5_DNA Structure/Function & Replication

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.
• We eat it every day for energy.

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NGSS.HS-LS1-1

NGSS.HS-LS3-1

What are the 4 nitrogen bases?

• Adenine, thymine, cytoplasm, and guanine

• Adenine, thymine, cytosine, and guanine

• Adenine, thymine, cytosine, and gylcerol

• Adenine, thymine, cytosine, and glucose

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NGSS.HS-LS1-1

Which 2 molecules form the sides (backbone) of the DNA ladder?

• ribose (sugar) and nitrogen bases

• ribose (sugar) and phosphate

• deoxyribose (sugar) and nitrogen bases

• deoxyribose (sugar) and phosphate

Which organelle is DNA found in?

• Mitochondria

• Cell membrane

• Chloroplast

• Nucleus

Which shows the correct complementary base pairing rules for DNA?

• C-A, T-G

• A-G, C-T

• C-G, U-A

• T-A, G-C

What determines the code, or information, of a DNA molecule?

• The shape (structure) of the nitrogen bases

• The order (sequence) of the nitrogen bases

• The color of the nitrogen bases

• The frequency (number) of nitrogen bases

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NGSS.HS-LS1-1

What does DNA code for the production of?

• Nitrogen bases

• Proteins

• Amino acids

• Phosphates

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NGSS.HS-LS1-1

Fill in the blank:

Nucleotides are made up of a sugar, phosphate, and...?

• Nitrogenous base

• Amino acid base

• Protein base

• Hydrogen base

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NGSS.HS-LS1-1

Which of the following units are repeatedly joined together to form a strand of DNA? (This is the MONOMER of DNA.) 

• Amino acids

• Nucleotides

• Fatty acids

• Polysaccharides

Which sequence of DNA bases would pair with this partial strand?

ATG TGA CAG

• ATG TGA CAG

• TAC ACT GTC

• GTA AGT GAC

• CAT TCA CTG