The DNA molecule is compounded from many smaller molecules.
脱氧核糖核酸分子是由许多更小的分子组成的。
A molecule of water consists of two atoms of hydrogen and one atom of oxygen.
水分子由两个氢原子和一个氧原子构成。
Two atoms of hydrogen combine with one atom of oxygen to form a molecule of water.
两个氢原子和一个氧原子结合组成一个水分子。
The atoms bond together to form a molecule.
原子结合形成分子。
Simply stated, a gas molecule can "evaporate" from a planet if it reaches a speed known as the escape velocity.
简单地说，如果气体分子达到逃逸速度，它就能从一颗行星上“蒸发”。
In contrast, the nonenzymatic process adds glucose haphazardly to any of several sites along any available peptide chain within a protein molecule.
相反，非酶法过程中，葡萄糖被随意地添加到蛋白质分子中任意肽链的随意几个位置。
To make use of the MMPs, Dr. Tsien attaches his fluorescent dye, along with some positive charges, to one side of a small hairpin-shaped protein molecule.
为了利用这种基质金属蛋白酶，钱博士将他的荧光染料和一些正电荷一同连接在一个小的发夹形状的蛋白质分子的一端。
Summer leaves are green because they are full of chlorophyll, the molecule that captures sunlight converts that energy into new building materials for the tree.
夏天的树叶是绿色的，因为它们富含叶绿素，这种捕捉阳光的分子可以将这些能量转化为新的树木生长材料。
Instead of making a clean break, water evaporating from treetops tugs on the remaining water molecules, with that tug extending from molecule to molecule all the way down to the roots.
从树梢蒸发的水并没有彻底地分解，而是拉住了剩下的水分子，这种拉拽作用从一个分子延伸到另一个分子，一直拉到根部。
Such a molecule is called a meso compound.
这样的分子称为内消旋化合物。
The effect occurs because of a molecule called staphylococcal lipoteichoic acid that acts on keratinocytes.
由于葡萄球菌脂磷壁酸分子作用在角化细胞上产生了这个结果
Water is a very unique molecule.
水是一个特别的分子。
But the DNA molecule is passive.
但是DNA分子是被动的。
And, you get a nonpolar molecule.
你得到了一个非极性分子。
So, it's a nonsymmetric molecule.
因此这是一个非对称分子。
这是一个双原子分子。
所以我强调这种分子的表示法。
The whole thing is a single molecule.
整个东西是个单分子。
So would this be a stabilized molecule then?
这样分子会更稳定吗？
You have a symmetric molecule, and let's see.
一个非常对称的分子，再看看。
Any molecule that affects a biological process.
影响生物过程的任何分子。
Of course the linear molecule wasn't like that.
当然直线形的分子不像这样。
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