Answer:
Option (C).
Explanation:
VEGF (Vascular endothelial growth factor) acts as a signalling molecule for the platelet derived growth factors. Paracrine signalling helps in the cell communication of the near by cells.
VEGF can acts as the paracrine signalling molecule. They have the ability to binds with receptor and can cause the formation of new blood vessels to their by neighbor cells also.
Thus, the correct answer is option (C).
<span>Independent variable: Time plants are watered (ex. 8am, 12pm, 4pm, 8pm, 12am)
Dependent variable: growth of the plant
Controlled variable: 1. same type plants, 2. same amount of sunlight, 3. same type of dirt, 4. same type of water, 5. same amount of water (each are self explanatory of how to control)</span>
Answer:
Best available answer here would be A.
Explanation:
You need to finish the dose of antibiotics your doctor gives you even when you feel better because if you don't the bacteria adapts to it and mutates making it a superbug and will share that information with future bacteria as it reproduces.
Answer:
The correct answer is - exocytosis.
Explanation:
All of the given options of the transport mechanism are the transport of the substances either into the cell or out of the cell or both. Active transport is the transport mechanism that involves the transports of substances from the lower concentration region to the higher concentration region and utilize energy.
Endocytosis and exocytosis are the forms of active transport, however, endocytosis involves taking material into the cell and exocytosis out of the cell. Exocytosis is the form of active transport as it requires energy to moving materials from within a cell to the exterior of the cell.