At an early stage the pollen grain contains but a single cell.
Finally, we know that new plant and animal cells are reproduced from the original bit of protoplasm, a single cell.
The two nuclei, after coming together, unite to form a single cell.
In its simplest form a yeast plant is a single cell.
These two unite to form a single cell, which is essentially the same, physiologically, as other germ-cells.
VI More About Living Bricks The largest of these living bricks is the yolk of an ostrich egg; since this is, of course, like all eggs before they begin to grow, a single cell.
Many animals, then, and many plants are just one single cell and no more.
Besides these, there are many like plants which float about in fresh water, each a single cell.
It consists of several filaments, each of which arises from a single cell.
Note: The entire animal consists of a single cell which is variously modified; but in many species a number of these simple zooids are united together so as to form a compound body or organism, as in the Foraminifera and Vorticellæ.
Defn: The theory that living organisms originate in cells or embryos of different kinds, instead of coming from a single cell; -- opposed to monogenesis.
The entire animal consists of a single cell which is variously modified; but in many species a number of these simple zooids are united together so as to form a compound body or organism, as in the Foraminifera and Vorticell\'91.
Early in the book we showed that every one of us starts life as a single cell which, by dividing and subdividing, along with continuous growth, finally develops into our large and complicated body.
Since they are all derived from a single cell, these differences must have put in their appearance during the course of the various cell divisions.
At the beginning, as we probably all know, we start life as a single cell.
A single cell from a hair on the stamen of the common spiderwort (Tradescantia), × 150.
The procarp arises from a single cell of the filament.
These arise by the repeated bipartition of a single cell, and escape finally, forming independent colonies.
Man has this mode of coming into existence in common with all organized beings, down to the lowest organisms which stand above the value and rank of a single cell.
Each animal, even the most highly organized (man included), begins the course of its existence as an egg; and each egg has no greater value of form than that of a single cell.
In Moina, one of the Cladocera, Grobben[272] has shewn that the generative organs are derived from a single cell, which becomes differentiated during the segmentation.
The otolith however is developed from a single cell on the dorsal and right side of the brain.
In the Nematoda the generative organs of both sexes originate from a single cell (Schneider, Vol.
Our own human frame is, in its mature condition, like that of all the higher animals, a very complete cell-state, but a single cell at the beginning of its existence.
It is easily seen that the pressure of the group is the same as that of a single cell, while the resistance to the flow is less than that of a single cell.
A single cell and a group of cells are each frequently called a battery.
The simplest animals, called protozoa, are, however, unicellular, each organism being constituted by a single cell.
For the yolk of a bird's egg is a single cell, and is often of large size.
But when we come down to the simpler organisms, those whose bodies are constituted by a single cell, the matter is by no means so easy.
In the necessity for sexual reproduction, there is therefore also implied the necessity for reverting to the original condition of the Polyplastides—that of a single cell—and upon this alone depends the fundamental law of biogenesis.
Organisms composed of a single cell only, as distinguished from those consisting of aggregations of cells—Multicellular organisms.
But in strange contrast to this is the fact, that in numerous other mountings, prepared in the same manner, not a single cell of this kind is found in the phaeodium, and that the latter is composed only of irregular pigment-granules.
It passes through the stage of a single cell, then becomes multicellular, and gradually assumes the form of a higher and higher type of organism.
So we find in higher animals that this function, like others, is relegated to a special set of cells also derived from the original single cell, and which are called "the germ-cells.
The above list will hopefully provide you with a few useful examples demonstrating the appropriate usage of "single cell" in a variety of sentences. We hope that you will now be able to make sentences using this group of words.
