90-Piece Educational DNA Double Helix Molecular Biology Model

Description

• Ideal for school biology lessons, students, and laboratory research.
• Detailed DNA model for demonstrating the double-helix structure.
• Helps develop color recognition, manual skills, and imagination.
• Smooth, burr-free surface designed to be comfortable for the hands.
• Suitable for school biology demonstrations and as a reference for university biology majors.

Technical specifications: Condition: Brand new Item type: DNA model Material: PVC Instructions: 1. The base is connected to deoxyribose with a thick rod. 2. Phosphoric acid is connected to deoxyribose with a thin rod. 3. The bases must be paired: A with T and C with G. 4. The ratio of bases in the DNA molecular structure is (A+G)/(T+C) = 1. 5. The two polynucleotide chains rotate 360 around a main axis to form a trapezoidal DNA double helix. Each helix contains 10 base pairs. Package contents: 10 x connecting rods 20 x white balls 20 x blue balls 40 x white connecting rods

Shipping and Returns

• We offer tracked shipping on all orders. Tracking information will be shared as soon as the order is dispatched.
• Please check the delivery estimate before adding a product to the cart. This is displayed for every product on the website.
• Available shipping methods and charges will be displayed at the time of checkout, depending on your exact location.
• All customers are entitled to a return window of 14 days, starting from the date of delivery of the product(s).
• Customers are advised to read our return policy for details of the return process, eligibility, refunds as well as cancellations or exchanges.
• In case of any issues or concerns about Shipping or Returns, please contact us and we will be happy to help.