Please enable JavaScript.
Coggle requires JavaScript to display documents.
4.4 (cancer (causes of cancer (family history, diet, alcohol, smoking,…
4.4
cancer
Cancer is a uncontrolled growth and division. It results of changes that occur to the cells and results in the formation of a tumour (a mass of cells).
-
plant diseases
plants need minerals ions from the soil. if there aren't enough, plants suffer deficiency symptoms nitrates are needed to make proteins and therefore for growth. a lack of nitrates causes stunted growth. magnesium ions are needed for making chlorophyll, which is needed for photosynthesis. plants without enough magnesium suffer from chlorosis and have yellow leaves.
-
-
-
bacteria.
bacteria are single celled organisms, smaller than animal and plant cells. bacteria splits into two and produces toxins which affect your body. some bacteria are good and we use them to make food like cheese and yogurt.
-
-
-
-