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Browse 13,016 authentic single cell stock photos, high-res images, and pictures, or explore additional single cell organism or single cell technology stock images to find the right photo at the right size and resolution for your project.
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A unicellular organism, also known as a single-celled organism, is an organism that consists of a single cell, unlike a multicellular organism that consists of multiple cells. Organisms fall into two general categories: prokaryotic organisms and eukaryotic organisms. Most prokaryotes are unicellular and are classified into bacteria and archaea.
In spite of their enormous variety, however, cells from all organisms—even ones as diverse as humans, onions, and bacteria, shown from left to right in the pictures below—share certain fundamental characteristics. We’ll explore these more in the articles to come.
- What is the main function of a typical cell in the human body?Cellular biology is a pretty in depth field, but cells basically break down sugars into usable energy, they regulate growth through cellular divisi...
- in the second paragraph, when you cut a cell in half, what do you see, and are any cells the same?When cut a cell in half you will see a cell membrane, cell wall (in some cells), cytoplasm- the jelly-like substance in the cell, mitochondria- the...
- Is it actually possible to cut a cell in half (as mentioned in the second introductory paragraph)? I...they use staining agents do dye the cell. Staining agents include Methyl Blue and Safrannin
- how many cells is an egg made of?When you say that, do you mean it in an "embryonic egg, inside of the womb" context or an egg that has been laid?
- Does number of the cells in our body always remain the same ?Not really: cells continuously die and split so that they keep getting destroyed but the body replaces them too. Also, children have fewer cells th...
- Are cells in the human body more reliant on other cells than unicellular organisms?We are looking at it on a different scale. An unicellular organism does not even have 'other cells to be reliant on' since it is unicellular. In a...
- What is a cell made up of?A cell has three main parts: the cell membrane, the nucleus, and the cytoplasm. The cell membrane surrounds the cell and controls the substances th...
- how would that first cell survive?Most likely because of the lack of competition. If you were the only organism alive, with lots of resources around you, why wouldn't you be able to...
- are cells made out of cellsLol that's not possible! Cells are instead made out of various biomolecules and cell organelles, which are made out of various other molecules bond...
Browse 884,484 authentic single human cell stock photos, high-res images, and pictures, or explore additional human cells or single cell stock images to find the right photo at the right size and resolution for your project.
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