The stronger survived and the weaker passed on... Those with a weaker immune system had trouble with sickness and usually ended up passing on but those with strong immune systems were stronger and healthier and lived.
<span>Primary endocrine disorders may be due to damage to the hormone producing organ. Karen’s thyroid gland suffered damage from repeated exposure to radiation because of a neck injury. The option which is least likely to be part of a primary endocrine disorder for Karen is decreased osteoblast sensitivity to calcitronin. </span>
the answer is differentiation
Answer:
the insulin
Explanation:
first we take the gene from human cells and we mix them together with bacterial dna.we place them in a fermentation vessel where it will then multiply. then it create the insulin which we use it for people who suffer from diabete.
(sorry im not that good in englisht)