A positive charge i think. not sure though.
good luck
When the lighting direction is at 180 degree to the flower petal, then the flower petals almost seem to glow. It can also happen if the petals are backlit. The edges of the flower petals tend to glow due to the light coming from the back. I hope the answer helps you.
Can I see the picture please?
Just by reading the answers it seems like the correct one would be A, but i would like to double check.
Answer:
A Mutation is an agent of substance that can bring about a permanent alteration to the physical composition of a DNA gene such that the genetic message is changed.
Explanation:
I believe the answer is Corticotrophin releasing hormone. Corticotropin-releasing hormone is a peptide hormone involved in the stress response. It is a releasing hormone that belongs to corticotropin-releasing factor family. Its main function is the stimulation of the pituitary synthesis of ACTH, as part of the HPA axis. The Corticotropin releasing hormone derived from the placenta is secreted into the maternal circulation in large amounts during the third trimester of human pregnancy and may have an important role in the onset of labor.