Answer:
A number of complement proteins are proteases that are themselves ... factor D has no other substrate than factor B when bound to C3b. This means that factor
Explanation:
Explanation:
In the majority of cases, the extra copy of chromosome 21 comes from the mother in the egg.
In a small percentage (less than 5%) of cases, the extra copy of chromosome 21 comes from the father through the sperm.
In the remaining cases, the error occurs after fertilization, as the embryo grows.
Decrease as the more frogs there are the more flies will be eaten so that means the flies will decrease.Also if the flie population gets low enough the frog population would shrink too to balance it.
Answer:200m
Explanation: If we do the math here we will see that they multiplied 1,000 by 100 to get 100,000 so we will multiply the 2 by 100 and we will get 200.