A name
Deoxyribonucleic acid
Double helix structure model
Higher biology discipline
Simple and intuitive. Be beneficial to the rights of students
Deoxyribonucleic acid
Knowledge and understanding of structure.
Post-it notes, fine wire, cardboard, string, staple.
way
1
Cut out spherical cardboard for phosphoric acid, rectangular sticky notes for four minutes, different colors for different substrates, and pentagonal cardboard.
It stands for deoxyribose.
2
Connect the cut spherical cardboard and rectangular post-it staples to the cut pentagonal cardboard.
Deoxynucleotide models with different bases were made on the chip.
three
Put several prepared deoxynucleotide models on a slender rope in turn and rotate according to the same manufacturing method.
You can get one
Deoxyribonucleic acid
Molecular double helix structure model.
four
Three thick iron wires are reinforced on the back of the made model, and the two ends of the thin steel wire rope are lifted, straightened and rotated respectively.
You can get one
Deoxyribonucleic acid
Molecular double helix structure model.