Answer:
It can be concluded that CFS has no effect on the light production of V.harveyi.
Explanation:
The both tube contain same cell concentration of V.harveyi.Now CFS is added from a light producing V.fischeri which ultimate result in the production of light by V.harveyi.
On the other hand V.harveyi cells present on another tube can itself produce light because according to the question fresh media is added in this tube inplace of CFS.
V.harveyi of both tubes produces same amount of light.From this point of view it can be stated that V.harveyi itself can generate light, it does not need addition of any CFS from outside.
The answer is C.Petroleum I hope this helped ^^
Answer:
The geocentric model says that the earth is at the center of the cosmos or universe, and the planets, the sun and the moon, and the stars circles around it. The early heliocentric models consider the sun as the center, and the planets revolve around the sun.
Explanation:
Cell wall: strong; supporting layer around the cell membrane in plant cells
I’m pretty sure B is correct. Hope that helps. (Please let me know if I am wrong)