Can you please explain that and what is the answer because this make have a headache

An easy way to calculate the amount of energy available at each level is to what?

Anormal appearing couple is found to be heterozygous recessive for albinism both have the genotype aa the gene responsible for albinism is recessive to the normal pigment-producing gene what are the changes of their children being albino

Omg substrates with the same size and shape as the active site will bind to the enzyme. why is the key labeled the “bad” substrate?