Key Terms of DNA Structure

Key Terms of DNA:
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Match

Match the following terms with their descriptions.

• A segment of DNA that codes for a particular trait

• Building blocks of nucleic acids made of a sugar, phosphate, and nitrogen base

• Study of traits being passed down from parents to offspring

• Twisted ladder shape of DNA

• The strands run in opposite directions (like a highway)

Gene

Nucleotide

Genetics

Double helix

Antiparallel strands

• Gene

• Nucleotide

• Genetics

• Double helix

• Antiparallel strands

Match

Match the following terms with their descriptions.

• The complete set of DNA in an organism

• Genetics/ inheritance

• Nucleotide part in the backbone; connects sugars

• Characteristics or properties determined by genetic material

• A weak bond between nitrogen bases

Genome

Hereditary

Phosphate

Trait

Hydrogen bond

• Genome

• Hereditary

• Phosphate

• Trait

• Hydrogen bond

Match

Match the following terms with their descriptions.

• X-shaped structure found inside the nucleus; DNA packed tightly

• A 5-carbon sugar in nucleotides of DNA; on the backbone

• Part of a nucleotide in the middle of the helix; A, T, C, G

• Both strands of DNA follow base paid rules to match up with each other

Chromosome

Deoxyribose

Nitrogen bases

Complementary strands

• Chromosome

• Deoxyribose

• Nitrogen bases

• Complementary strands