In previous articles, we learned about the phases of the cell cycle and how these gradually lead a cell to division. However, do all the cells of our body have the ability to divide? If not, what is the factor… Continue Reading
In previous articles, we talked about the two types of cell division, mitosis, and meiosis. We also described the differences between the terms chromatin, chromosome, and sister chromatid. However, if at this point someone asked you to find the number… Continue Reading
In organisms that follow sexual reproduction, gametes combine to form the zygote, the first cell of a new organism. We will discuss the familiar case of humans, but the same applies to other organisms as well. The two gametes, sperm… Continue Reading
Mitosis is a type of cell division that results in two daughter cells that are identical to each other and their parent cell as well. Mitosis is an important process for many organisms since it serves different purposes. The zygote,… Continue Reading
Chromosomes, chromatin, nucleosomes, genes, alleles? What is the difference between these terms? What are their roles? And how are they organized inside each one of the small cells of an organism? When you hear these words, you might think that… Continue Reading
Have you ever wondered how the organs of an embryo develop inside the womb, how the immune system heals infections, or how a tree becomes taller with time? All of the organisms survive, grow, and reproduce by creating new cells.… Continue Reading
We learned previously that the cell is the fundamental structural and functional unit of all the organisms that exist on Earth. Not all of the cells are the same, though. They can be categorized into two groups based on their… Continue Reading
What is there in common between a snail and a frog? A fish and a tree or a turtle and your best friend? At first glance, you would answer that they are almost incomparable. They look so much different that… Continue Reading