cud sum1 explain the nitrifying denitrifying nitrogen fixing bacteria?
wat does the nucleus in every body cell of a male contain?
X allele
y allele
y chromosome
y gene
Denitrifying bacteria is the bacteria that undo the work done by nitrifying bacteria. They turn nitrates & ammonia in the soil to nitrogen gas, which goes into the atmosphere.
In a male nucleus, there are 46 XY chromosomes. Allele - X Allele - Y
hope that helps xD