They changed things up because its mixed or from up further in the family line. like your parents could have green eyes and you could get blue. it shoukd of came from your grandparents or other blood related relatives.
A fat free diet is dangerous because IT CAN RESULT IN DEFICIENCY OF ESSENTIAL FATTY ACIDS.
Essential fatty acids refers to those fatty acids that humans must eat in their foods because the body can not synthesize them and they are required for good health. There are three type of essential fatty acids, these are arachidonic, linoleic and linolenic acids. When these essential fatty acid are absent in one's diet they lead to ill health.
The first answer is correct. rRNA makes up ribosomes along with other protiens. rRNA stands for ribosomal ribonucleic acid
adenine (A) pairs with uracil (U); guanine (G) pairs with cytosine (C).