Molecules
in sentence
450 examples of Molecules in a sentence
We understand, very easily, very straightforwardly, that water is nothing more than the hydrogen and oxygen
molecules
suitably arranged.
It is a lot more sophisticated than a microwave oven, but it basically is boiling the water
molecules
in the very surface level of your skin.
It says that if you examine any piece of matter ever more finely, at first you'll find
molecules
and then you'll find atoms and subatomic particles.
Now sometimes neuroscientists need to identify individual molecular components of neurons, molecules, rather than the entire cell.
But it turns out that they're so useful to the immune system because they can recognize specific molecules, like, for example, the coat protein of a virus that's invading the body.
And researchers have used this fact in order to recognize specific
molecules
inside of the brain, recognize specific substructures of the cell and identify them individually.
You can say, "I'd like to go over to this location," and you can move this mass of
molecules
through the air over to another location, at will.
So we set out by looking at how these
molecules
are put together.
And the cell will actually manufacture the parts that it needs on the fly, from information that's brought from the nucleus by
molecules
that read the genes.
For example, in the pharma industry, a lot of the
molecules
are being developed, but you see a major part of that work is being sent to India.
But when you have millions of air
molecules
all together, they start to act in a way which is quantifiable, predictable and well-behaved.
Now, on an even bigger scale, across the whole of the world, the idea is exactly the same with all of these air
molecules.
The atmosphere and the
molecules
in it absorb some of that heat and send it back.
There are actually specific
molecules
that have been identified in red wine as leading to greater life expectancy.
Organic chemists make molecules, very complicated molecules, by chopping up a big molecule into small
molecules
and reverse engineering.
The number of epinephrine
molecules
in here is one quintillion.
When these atoms connect to form molecules, they follow a set of rules.
We can use these to build
molecules.
That's what we call a chemical reaction, when atoms exchange partners and make new
molecules.
That's why we define organic chemistry as the study of carbon
molecules.
Now, if we build the smallest
molecules
we can think of that follow our rules, they highlight our rules, and they have familiar names: water, ammonia and methane, H20 and NH3 and CH4.
So when these crash into
molecules
of oxygen, as they do in your engine or in your barbecues, they release energy and they reassemble, and every carbon atom ends up at the center of a CO2 molecule, holding on to two oxygens, and all the hydrogens end up as parts of waters, and everybody follows the rules.
They are not optional, and they're not optional for bigger
molecules
either, like these three.
This is the professional way to draw
molecules.
We make this epinephrine in a factory by stitching together smaller
molecules
that come mostly from petroleum.
But these two molecules, they cannot be distinguished.
Before there was life on earth, all the
molecules
were small, simple: carbon dioxide, water, nitrogen, just simple things.
Life brought biosynthetic factories that are powered by sunlight, and inside these factories, small
molecules
crash into each other and become large ones: carbohydrates, proteins, nucleic acids, multitudes of spectacular creations.
All of these
molecules
are infused with the energy of the sun.
So nature's
molecules
are everywhere, including the ones that have decomposed into these black mixtures that we call petroleum.
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