<span>This may help...
This is an example of incomplete dominance, where the heterozygous condition has its own phenotype, in this case, pink. CA = white CB = Red CA CA CB CA CB CA CB CB CA CB CA CB CA CB = Pink CA CB CA CB CA CB CA CACA CA CB CB CA CB CBCB 25% will be white CACA, 25% will be red CBCB, and 50% will be pink CA CB.</span>
Enzymes lower the activation energy of a chemical reaction.
Absence of oxygen
fermentation is an anaerobic (meaning doesn't require oxygen) process
Allan already had a heart attack and can try to prevent another one by changing the diet, exercising, or even quit smoking, but there are non-modifiable risks such as age, sex and generic heritage, so If Allan is over 40 years old, male or comes from a family with heart diseases, Allan needs to be extra careful because those factors cannot be changed no matter how the way of life is changed.