Quotes About Membrane

all life forms, no matter how diverse, have common characteristics: 1) they are made up of cells, enclosed by a membrane that maintains internal conditions different from their surroundings, 2) they contain DNA or RNA as the material that carries their master plan, and 3) they carry out a process, called metabolism, which involves the conversion of different forms of energy by means of which they sustain themselves.

Along with everyone else, I looked up. Standing in the doorway was a redheaded girl. Two clouds bumped up above, skidding past each other, and let down a beam of light. This beam struck the glass roof of the greenhouse. Passing through the hanging geraniums, it picked up the rosy light which now, in a kind of membrane, enveloped the girl. It was also possible that the sun wasn't doing this at all, but a certain intensity, a soul ray, from my eyes.

A brane is a distinct region of spacetime that extends through only a (possibly multidimensional) slice of space. The word "membrane" motivated the choice of the word "brane" because membranes, like branes, are layers that either surround or run through a substance.

But earth and heart don't have much of a membrane between them. Sometimes decided on grounds as elusive as that single transposable h , this matter of siting ourselves. Of a place insisting itself to us.

professor taps his laptop, the images change, and we are lost in the world of red blood cells. The cell's nucleus is small and round and serves as the cell's command center. It controls the cell's growth and reproduction. It is surrounded by a membrane. And on and on. Attached to our petition was Benderschmidt's full report, including pages of impenetrable stuff on cells and blood. I confess that I have not read it entirely, but something tells me Judge Kumar has.

Burr holes are made in the skull, and a power saw is used to fashion a bone flap more or less like the top of a cookie jar (fig. 2). The dura mater—a membrane

By entering the cell, as opposed to fusing with the cell on the cell membrane—which many other viruses do—the influenza virus hides from the immune system. The body's defenses cannot find it and kill it.

Holding my child, I realised my vulnerability to death: I was frightened of it, for the first time. I knew all too well how fine a membrane separates us from that place, and how easily it can be perforated. —

labor and membrane

phospholipids.

The chemical structure of the K+ channel at its mouth strips off the water shells surrounding K+. Thus, K+ becomes smaller than Na+ and can pass through the channel, whereas Na+ cannot do so.

Skin has become inadequate in interfacing with reality. Technology has become the body's new membrane of existence.

Skin has become inadequate in interfacing with reality. Technology has become the body's new membrane of existence.

In a female guinea pig, a membrane normally covers the vaginal opening. It takes the release of sex hormones during ovulation to open up the membrane and allow the guinea pig to have sex.

Touch is... one of the most ancient transactions, a defiance of the plasma membrane and the loneliness it brought.

the pinkish peritoneum, the springy membrane that encloses and protects other organs.

It's amazing that something only an atom thick can be an impenetrable barrier. You can have gas on one side and vacuum or liquid on the other, and with a wall only one atom thick, nothing would go through it.