The scientist who is said to have discovered all the four nitrogenous bases present in the DNA of all organisms is, Erwin Chargaff, an Austro-Hungarian biochemist who immigrated to the United States. Hope this helps!
That process is mitosis.
Mitosis is a type of cell division in which the parent cell divides to create 2 identical daughter cells with the exact same number of chromosomes and the exact genetic content as the parent cell. I like to think of as a clone.
Make sure you don't get this mixed up with meiosis, which I a type of cell division in which the parent cell divides to create genetically different daughter cells.
Hope this helps!
A cladogram is a branching diagram that shows the cladistic relationship between a number species. It comes from the greek clados meaning branch and gramma meaning character. It is not to be confused with an evolutionary tree since it does not show the relationship between ancestors and descendants plus it also lacks the ability to show how they have changed over time. The major components of a cladogram are the tip (the start of the lineage), root (the end of the lineage) and node (where two or more lineages combine).
Answer:
mass
Explanation:
the chemical formula for water is H20 which means every molecule of water has 2 atoms of hydrogen and one atom of oxygen. Here comes the key part. from the periodic table of elements one sees that one mole of hydrogen atoms weight 1 gram while one mole of oxygen weights 16 grams.
The answer is a. Nitrogen
