(略) 结构多糖甲壳素、 外骨骼的节肢动物 (蜘蛛、 甲壳类动物、 昆虫等) 与真菌的细胞壁的主要组成部分的结构。它是类似,纤维素,但具有不同侧面组对 2 碳的葡萄糖。可这种材料可吸收的手术线程。显示只潜力无穷聚合物的一个小片段。在绘制的它。 甲壳素 多糖 糖 甲壳素
这个图像由教育的发布服务器,到维基共享资源,斯科特,福尔斯曼皮尔逊捐赠,从而在公共域中。---请参阅 http://commons.wikimedia.org/wiki/Category:Pearson_Scott_Foresman_publisher 鸭嘴兽 动物 哺乳动物 鸭嘴兽
Spreader- Instrument to spread the bacterial culture on plates containing growth media 层流 摊铺机 细菌 吊具微生物学
A ball-and-stick model structure of acidic (negatively-charged) amino acid glutamic acid (Glu, E). Carbon in blue-grey, oxygen in red, nitrogen in green, hydrogen in silver. Drawn in Inkscape 酸 酸性 氨基 谷氨酸 (氨基酸)
A ball-and-stick model structure of polar amino acid asparagine (Asn, N). Carbon in blue-grey, oxygen in red, nitrogen in green, hydrogen in silver. Drawn in Inkscape 酸 氨基 氨基酸 天冬酰胺 (氨基酸)
Realistic vector red heart graphics for your wedding announcement, engagement invitation, Valentine’s Day card or graphic artwork for your loved boy or girl. Anatomical heart ink illustration, symbol of love, life and health. Professional free stock footage of a true love heart sketch on a red abstract background 红色 心 血 真爱
Petri dishes are fundamental tool in the study of pathogen elements, this set includes empty petri dishes with guides and divisions 玻璃 返回页首 科学 Petri Dish Vectors
2'-deoxyguanosine 5'-三磷酸或 dGTP,组成的所有细胞生物体的遗传物质 DNA (脱氧核糖核酸) 的核苷酸 (基本单位) 之一。它在这样做。氧气是红、 是绿色的氮、 磷是银、 剩下的就是碳。没有氢。 化工 科学 化学 DGTP
This image was donated by Pearson Scott Foresman, an educational publisher, to Wikimedia Commons, and is thereby in the Public Domain. - See http://commons.wikimedia.org/wiki/Category:Pearson_Scott_Foresman_publisher 动物 澳洲进口 澳大利亚 鸭嘴兽
At the hearing it is known as the cochlear vestibule organ within the study of medicine. It is an organ that is highly developed, primarily in terrestrial and aquatic lower mammals 人类 线 绘制 Sketched Hearing Ear
Medicine and the study of bacteria are most important every day, we need to combat with viruses and bacteria in our lives and we are most exposed to harmful elements, foods and materials. This vector set have some pathogen study icons for medical projects 人类 医疗 科学 Vector Pathogen Icons
几个轮廓的野生动物: 哺乳动物、 鸟类、 啮齿动物和爬行动物,从不同的环境。他们是完美的生态运动,国家公园标志、 生态保护区、 书籍,以及更多。根据共同性 4.0。署名许可 动物 剪影 数字 野生动物剪影
Free blood drop vector graphics on dark radiant background for your bleeding, blood donation, healthcare, medicine and medical concepts. Download drop of blood vector illustration as Illustrator AI and PDF files for your clinic, hospital, operation, plasma and medical assistance designs 拖放 血 健康 血滴
A drop of blood. I hope this can be used in many relevant contexts like life, blood donation, health etc 血 捐赠 拖放 血滴
<p>基因编码,在 RNA 字母 (而不是 T U)、 和含有氨基酸的三个代表: 全名、 3 个字母的缩写和 1-信。 Drawn 在它。</p> <p>如何阅读遗传编码: 开始从中心圆和向外走。所以,如果基因具有 AGC,这意味着氨基酸丝氨酸。CGA 意味着精氨酸。个组合是停止密码子,而不给任何氨基酸: 大亚、 标记和 TGA。</p> 科学 遗传学 分子 基因编码 RNA
Vector bacteria cartoon illustration. Microbial organism captured in vector form. Amoeba like shapes encircled by strands all in simple vector form on a green background. Download this unique nano design for your science, microbiology, cancer, infections, sickness and diseases graphics 科学 健康 生活 Microbial