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Cells are the structural and functional units of all living organisms. Some organisms, such as bacteria, are unicellular, consisting of a single cell. Other organisms, such as humans, are multicellular, or have many cells---an estimated 100,000,000,000,000 cells! Each cell is an amazing world unto itself: it can take in nutrients, convert these nutrients into energy, carry out specialized functions, and reproduce as necessary. Even more amazing is that each cell stores its own set of instructions for carrying out each of these activities. Hope this comes in handy!

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What does a human cell look like?

A human cell is typically round or oval in shape and has a cell membrane that encloses the cytoplasm and the cell's organelles. The nucleus, which contains the cell's genetic material, is usually located in the center of the cell. Additionally, human cells can vary in size and structure depending on their specific function.


How many chromosomes are in a human somatic cell?

A human somatic cell typically contains 46 chromosomes.


Is the amount of DNA in a human body cell the same as the amount of DNA in a human egg cell?

Yes, the amount of DNA in a human body cell (somatic cell) is the same as in a human egg cell. Each cell in the human body contains a complete set of DNA, consisting of 23 pairs of chromosomes, regardless of the type of cell. This DNA carries the genetic information that determines an individual's traits and characteristics.


Do human cells have cell walls?

No, human cells do not have cell walls. Instead, human cells are surrounded by a cell membrane, which helps to maintain cell structure and regulate the movement of substances in and out of the cell. Cell walls are typically found in plant cells and some bacteria.


Very human beginsas are fertilized and cell egg cell?

Human beings are formed when a sperm cell fertilizes an egg cell, leading to the formation of a zygote with a full set of chromosomes. This zygote undergoes cell division and development to eventually form an embryo, which further develops into a fetus and eventually a fully formed human being.