In plants the endosperm is the structure that forms from a triploid nucleus and nourishes the seed when a plant undergoes double fertilization.
<u>Answer</u>:
Option B. a positive feedback loop
<u>Explanation</u>:
This happens when the product of the reaction is more than that of the reaction. In homeostasis this type of positive feedback loop that can move away. It exacerbates the effect of small disturbance. It also strengthens the change in physiological condition body rather than reversing the change. A slight change in the normal range will result in greater change, and hence the system diverts more from the normal range. It can only be considered normal with definite end point.
The sheer force of water hitting the banks<span> and bed of a </span>river causing<span> material to be dislodged and carried away ... An</span>overhanging cliff<span> that is found </span>on<span> the outer bend of a meander that is created due to lateral erosion of the </span>bank river<span>.</span>
Answer:
Phloem parenchyma cells, called transfer cells and border parenchyma cells, are located near the finest branches and terminations of sieve tubes in leaf veinlets, where they also function in the transport of foods.
Explanation:
Answer:
the pancreas secretes insulin, which directs the muscle and fat cells to take in glucose. Cells obtain energy from glucose or convert it to fat for long-term storage. Like a key fits into a lock, insulin binds to receptors on the cell's surface, causing GLUT4 molecules to come to the cell's surface.
Explanation:
