|
|
|
|
|
|
| |
Sell Human Dna Model B1021
Posted at: TradersCity --> Offers to Sell and Export
Posted on: Thu 02 Jul, 2009 6:09 am
Human DNA Model (B1021)
Features:
1.Human DNA, Double helix model.Mounted on a base.
2.Usage:This model was made according to the technical index of ‘Model of DNA Structure’ published by National Education Department. It is a demonstration model for biology teaching in high school, can also be used for college students majoring in biology.
3.Description:Demonstration Contents1、this model is a teaching demonstration model of a type B DNA molecule structure enlarged by 0.1 billion times. 2、DNA molecule is formed by two nucleotide chains right-hand helically coiling an axis.3、The two nucleotide chains are parallel but have opposite directions. One is 5’→3’; another one is 3’→5’.4、The main chains formed by phosphate radical and deoxyribose are outside of the helix，the basic groups are inside. The basic groups are almost vertical to the axis, while the deoxyribose is parallel to the axis. 5、The bases from the two chains form a group via hydrogen bonds. The two groups are A--T and G--C. There are 2 hydrogen bonds between a A--T group; 3 hydrogen bonds between a G--C group. Red pipes in the model indicate hydrogen bonds.6、The surface of the helix has two obvious grooves; one is big and deep, another is small and shallow; they are called major groove and minor groove.
|
|
Company Contact: Contact Name: Jenny
Company Name: Yiwu Youshang Education
Email: 
Tel: +86-0579-85273861
Fax: +86-0579-85273861
Street Address: 2f, Unit 5, Building
127, Jiangnan 4 District, Yiwu,
Zhejiang, China. Post Code: 322000
Website: http://www.teaching-apparatus.com
Member name: YiwuYoushangEducation
Country:  China
Member Since: 26 May 2009
Total Leads: 11
Business focus: Science Equipment, Education Equipment, Art, Crafts, Toys, Sport, Furniture
  
|
 |
|
|
|
|
|
|
|
|
Similar Leads ( human dna b1021 )
| Import Export Lead |
Posted By |
Posted |
Preview |
| |
Human Albumin And Human Plasma |
Divinemedicalgroup |
Sat 15 Mar, 2008 7:21 pm |
human albumin and 38 000 packs of human plasma from any european or usfda approved manufacturers
order is immediate on lc at sight from india or u.... |
 |
Human Hair |
glitterhair2008 |
Fri 10 Apr, 2009 2:11 am |
human hair chinese indian hair
2 style silky straight weaving bulk yaki weave bulk braiding body weave new
deep weave bulk b.... |
 |
Human Hair Manufactuer |
Meidainternationalwig |
Mon 23 Jun, 2008 12:43 pm |
human hair professional factory human hair material from china and india original hair good weaving technique
meida international wigs co ltd.... |
 |
Raw Human Hair Bulk |
gelaimeihair66 |
Sat 15 Aug, 2009 9:14 am |
raw human hair bulk
100%human hair bulk
length 8 quot -40 quot
color natural color
grade a b c
amp #20135 amp #21697 amp #35814 amp #32454 amp #25551 ....oit |
 |
Recombinant Human Interleukin 2 Il-2 |
KelunBioPharma |
Thu 15 Jan, 2009 3:35 am |
human interleukin 2 il-2
product description
this product is a lymphakine which can make cytotoxicity t cells natural killer cell and lyphoki.... |
 |
Human Tetanus Immunoglobulin Tig |
KelunBioPharma |
Thu 15 Jan, 2009 3:30 am |
human tetanus immunoglobulin tig
human tetanus immunoglobulin tig
general information
this product consisting tetanus antibody of high potency can neutralize tetanus antitox....oit |
 |
Human Rabies Immunoglobulin Rig |
KelunBioPharma |
Thu 15 Jan, 2009 3:26 am |
human rabies immunoglobulin rig
human rabies immunoglobulin rig
product description
treatment of the wound is very important and must be performed as soon as possible after t....oit |
| |
Raw Remy Human Hair |
Ruilinhair |
Fri 19 Dec, 2008 3:55 pm |
human hair
the raw remy human hair direct cut from head not any process nature black
available length at 8 quot to 40 quot |
 |
Human Hair Weaving |
Wangdeliayan |
Mon 28 Apr, 2008 7:05 am |
human hair can support different texture water yaki deep supper body and so on good quality competitive price welcome to visit www wigsbeautyzone com |
 |
Human Hair Extension |
Wangdeliayan |
Mon 28 Apr, 2008 7:08 am |
human hair can support micro ring hair extension pre-tipped human hair extension pu skin human hair extension leather human hair extension clip on hu.... |
|
|
|
|
Free Magazine Subscription
|
|
|
|
|
|
Testimonials
38 visitors now from: 
21 USA | 
4 UK | 
2 Canada | 
1 Belgium | 
1 Bulgaria | 
1 Bolivia | 
1 Cape Verde | 
1 Ghana | 
1 Ireland | 
1 Lebanon | 
1 Malta | 
1 Serbia | 
1 Russia | 
1 Yugoslavia |
