CN204406795U - A kind of biology teaching aid - Google Patents
A kind of biology teaching aid Download PDFInfo
- Publication number
- CN204406795U CN204406795U CN201420837749.7U CN201420837749U CN204406795U CN 204406795 U CN204406795 U CN 204406795U CN 201420837749 U CN201420837749 U CN 201420837749U CN 204406795 U CN204406795 U CN 204406795U
- Authority
- CN
- China
- Prior art keywords
- model
- afterbody
- head
- utility
- teaching aid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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- Measuring Or Testing Involving Enzymes Or Micro-Organisms (AREA)
Abstract
A kind of biology teaching aid, comprise DNA model, head, afterbody, protein model, it is characterized in that: described head is heart shaped regular dodecahedron in midair, described DNA model is the hollow circular tube of continuous uniform complications, described afterbody is fold-line-shaped tinsel, and the protein model described in described head relies on described afterbody is connected.The utility model can make observer clearly understand to be outward appearance and the structure of legion, and the utility model structure is simple, can increase the manipulative ability of user, enhance memory, more understand the structure of bacteriophage in depth.
Description
Technical field
The utility model belongs to teaching aid field, particularly relates to a kind of biology teaching aid.
Background technology
After bacteriophage in 1907 is found, it has made outstanding contribution the mankind for the research of microorganism, and as proved, DNA is inhereditary material, utilizes bacteriophage successful treatment Pseudomonas aeruginosa to the infection etc. of burn patient.The utilization of bacteriophage is very crucial.Utilize bacteriophage will understand all sidedly bacteriophage, analyze from properity, effect each side.But research bacteriophage can only pass through microscopic examination now, in teaching field, this way can not be implemented well, because everyone passes through microscope institute it is seen that different.Also have and utilize photo or schematic diagram to carry out imparting knowledge to students, but be plane due to this, its structure can not be analyzed well, explain its principle of work.
Summary of the invention
The utility model object to overcome above defect, provides a kind of structure simple, the biology teaching aid be convenient for carrying
The utility model solves its technical matters and takes following technical scheme to realize:
A kind of biology teaching aid, comprise DNA model, head, afterbody, protein model, it is characterized in that: described head is heart shaped regular dodecahedron in midair, described DNA model is the hollow circular tube of continuous uniform complications, described afterbody is fold-line-shaped tinsel, and the protein model described in described head relies on described afterbody is connected.
The utility model compared with prior art has remarkable advantage and beneficial effect: the utility model can make observer clearly understand to be outward appearance and the structure of legion, the utility model structure is simple, the manipulative ability of user can be increased, enhance memory, more understand the structure of bacteriophage in depth.
Accompanying drawing explanation
Fig. 1 is the utility model schematic diagram;
1, DNA model 2, head 3, afterbody 4, protein model.
Embodiment
Below in conjunction with accompanying drawing and preferred embodiment, to embodiment, structure, feature and effect thereof of providing according to the utility model, be described in detail as follows.
A kind of biology teaching aid, comprise DNA model 1, head 2, afterbody 3, protein model 4, it is characterized in that: described head 2 is heart shaped regular dodecahedrons in midair, described DNA model 1 is the hollow circular tube of continuous uniform complications, described afterbody 3 is fold-line-shaped tinsel, and described head 2 and described afterbody 3 rely on described protein model 4 to be connected.
The utility model compared with prior art has remarkable advantage and beneficial effect: the utility model can make observer clearly understand to be outward appearance and the structure of legion, the utility model structure is simple, the manipulative ability of user can be increased, enhance memory, more understand the structure of bacteriophage in depth.
Claims (1)
1. a biology teaching aid, comprise DNA model, head, afterbody, protein model, it is characterized in that: described head is heart shaped regular dodecahedron in midair, described DNA model is the hollow circular tube of continuous uniform complications, described afterbody is fold-line-shaped tinsel, and the protein model described in described head relies on described afterbody is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420837749.7U CN204406795U (en) | 2014-12-26 | 2014-12-26 | A kind of biology teaching aid |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420837749.7U CN204406795U (en) | 2014-12-26 | 2014-12-26 | A kind of biology teaching aid |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204406795U true CN204406795U (en) | 2015-06-17 |
Family
ID=53430636
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420837749.7U Expired - Fee Related CN204406795U (en) | 2014-12-26 | 2014-12-26 | A kind of biology teaching aid |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204406795U (en) |
-
2014
- 2014-12-26 CN CN201420837749.7U patent/CN204406795U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150617 Termination date: 20151226 |
|
| EXPY | Termination of patent right or utility model |