The answer is B. a nucleus.
Prokaryotic cells do not have a nucleus. They have ribosomes, a cell membrane, a cell wall, and DNA, but lack a nucleus. Prokaryotes also don't have mitochondria or chloroplasts and generally lack organelles.
We can change our fooding style. Instead of taking starchy, fatty, oily food, we can take some best fruit and vegetables for fat loss in our diet like cucumber, watermelon, grapes etc. Eating these fruits during hunger can avoid our hunger and as they do not contain any of the fat gaining factor, encourage body to utilize the stored fat. Eating these fruits with regular early exercise can obviously help you loose your fat.
All organisms are made of cells
all existing cells are produced by other living cells
the cell is the most basic unit of life
