There are four globin subunits, typically two alpha and two beta, and each one has its own heme group.

它含有四球蛋白亚基，通常是2α亚基和2β亚基，每亚基都含有红素。

They're made up of multiple subunits of an organic molecule called isoprene, which has five carbon atoms.

它们是由多有机亚基组成的，含有五碳原的异戊二烯。

DNA is a polymer because it is a large molecule composed of repeated subunits, the nucleotides.

DNA 是一种聚合物，因它是由重复的亚基，即核苷酸组成的大。

There are 4 globin subunits, typically two alpha and two beta, and each one has its own heme group.

它有4亚基，典型的α亚基和β亚基，每一都有对应的红素。

Recombinant protein subunit vaccine does not need a high-grade biosafety laboratory for manufacture, and can quickly achieve large-scale production.

重组亚单位蛋白疫苗不需要高等级的生物安全实验室进行生产，可以快速实现规模化生产。

These subunits can be arranged in a line, or form rings, or both, leading to a diverse collection of over 30,000 known compounds.

这些亚基被重组成线性或者是环形，或者是者皆有，形成了如今超过三万种已知的化合物。

Both subunit and conjugate vaccines contain only pieces of the pathogens they protect against.

亚单位疫苗和结合疫苗都只包含它们可以抵御的病原体片段。

This heme is a large molecule that's made up of four pyrrole subunits that forms a ring, and this structure is called a porphyrin.

红素是大，由四吡咯亚基形成环形，这结构叫作卟啉。

The acellular pertussis vaccine and influenza vaccine (in shot form) are examples of subunit vaccines.

无细胞百日咳疫苗和流感疫苗（注射形式）是亚单位疫苗的例。

Another type of subunit vaccine can be created via genetic engineering.

另一种亚单位疫苗可以通过基因工程制造。

Subunit vaccines use only part of a target pathogen to provoke a response from the immune system.

亚单位疫苗仅使用目标病原体的一部来激发免疫系统的反应。

This heme is a large molecule that's made up of four pyrrole subunits that form a ring, and this structure is called a porphyrin.

红素是一由4吡咯亚基形成的环状大，这种结构称之卟啉。

Each hemoglobin molecule is made of four subunits, each containing a heme group that can bind one molecule of oxygen.

每红蛋白由四亚基组成，每亚基都包含一可以结合一氧的红素基团。

The word 'plastic' can describe any material made of polymers, which are just the large molecules consisting of the same repeating subunit.

“塑料”一词可以描述任何由聚合物制成的材料，聚合物只是由相同的重复亚基组成的大。

As a quick recap: sickle cell disease is an autosomal recessive genetic disease where the beta-globin subunit of hemoglobin is misshapen, which causes red blood cells to sickle when deoxygenated.

好！简要回顾一下：镰状细胞病，是常染色体隐性遗传病，其中红蛋白的β-珠蛋白发生突变，脱氧情况下会导致红细胞镰变。

They’re made up of multiple subunits of an organic molecule called isoprene, which has five carbon atoms. These subunits can be arranged in a line, or form rings, or both, leading to a diverse collection of over 30,000 known compounds.

它们由称异戊二烯的有机的多亚基组成， 异戊二烯具有五碳原。这些亚基可以排列成一条线， 或形成环，或者兼而有之， 从而形成超过 30, 000 种已知化合物的多样化集合。