This guide assumes the activity includes labeling a nucleotide, identifying base pairs, and explaining the double helix.
Here is a comprehensive review suitable for a teacher, parent, or student self-evaluating their work. activity understanding dna structure answer key
Expected answer: The two strands run in opposite directions. One strand runs 5' to 3', while the other runs 3' to 5'. This orientation is critical for enzymes like DNA polymerase. This guide assumes the activity includes labeling a
The "secret code" of DNA relies on complementary base pairing. In any activity, students must apply to determine the sequence of a second strand: Adenine (A) always pairs with Thymine (T) . Guanine (G) always pairs with Cytosine (C) . Complementary Partner Type of Molecule Adenine (A) Thymine (T) Purine (Double-ring) Guanine (G) Cytosine (C) Purine (Double-ring) Thymine (T) Adenine (A) Pyrimidine (Single-ring) Cytosine (C) Guanine (G) Pyrimidine (Single-ring) Advanced Concepts Found in Activity Answer Keys One strand runs 5' to 3', while the other runs 3' to 5'