There are more than simply 4 biological compounds in the human body. I suppose to categorise, the question is hinting towards the molecules like Carbohydrates ( Poly and mono saccharides ) Proteins ( Polypeptides Made of amino acids) and Fats. There is also water, but I'm hesitant to class that as a biological compound, as it's not organic.
Explanation:
In addition, in meiosis I, the chromosomal number is reduced from diploid (2n) to haploid (n) during this process. ... In humans (2n = 46), who have 23 pairs of chromosomes, the number of chromosomes is reduced by half at the end of meiosis I (n = 23).
1)First, prepares all the necessary equipment and material
<span>2Creating the pattern that desired for the shell</span>
<span>3)Creates the core of the shell by pouring the hollow spaces with meta</span>
<span>4)Creates molds for the shell by filling the corebox with sands and let them combined over time</span>
<span>5)Shake out the sand after the combination already cooled down</span>
<span>6) cast results are finished.</span>