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A natural unit consisting of biotic and abiotic factors and their interaction with each other

Mitochondria are the site of aerobic respiration where ATP

If the mother’s father had haemophilia the mother must carry the allele for the condition, as the mother must receive an X chromosome from her father. Therefore, the X chromosome received from her mother ...

1. Note the phenotypes of the parents, work out whether they are homozygous or heterozygous.
2. Choose letters to represent the alleles. The upper case letter should represent the dominant allele...

The body must maintain an internal temperature of 37 degrees as this is the optimum temperature for body’s enzymes. When the body gets too hot the body responds in multiple ways: • The body releases sweat...