B. Thymine have the same percentage as adenine and Cytosine and guanine have 28%, which combined together you get 100%
Studies of the similarity of the DNA in wasps and bees suggest that the first bees appeared about 130 million years ago, 50 million years before the first known fossil bee, and probably very shortly after the first flowers evolved in the Cretaceous.
d. enzymes increase the rate of chemical reaction by providing activation energy to the substrate
Examples of direct impacts are things such as littering or planting an invasive plant in an area it doesn't belong.
An indirect impact may be something like how much water your family uses when they use the washer to wash clothes.
I hope these examples help you come up with your 10!
Answer:
Through negative feedback, insulin produced by the pancreas causes a decrease in the amount of glucose in the blood.
Explanation:
The control of blood sugar (glucose) by insulin is a good example of a negative feedback mechanism. When blood sugar rises, receptors in the body sense a change. In turn, the control center (pancreas) secretes insulin into the blood effectively lowering blood sugar levels.