Leaf diseases of deciduous hardwood trees are grouped. into six categories, to simplify their identification, as follows 1. (See Figure 1a-f for a pictorial representation of the symptoms.) AnthracnoseâIrregular dead areas on leaf margins, between. and across and/or along veins, often moving onto the.
That depends on what organism the cell belongs to. A nucleus of a normal human cell contains 46 chromosomes, whereas this is a double chromosome set, i.e. we have 23 pairs of chromosomes that are used for the same functions. Two chromosomes that fulfill the same functions are called homologous.
Scientists concluded that the average human body contains approximately 37.2 trillion cells! Of course, your body will have more or fewer cells than that total, depending upon how your size compares to the average human being, but that's a good starting point for estimating the number of cells in your own body.