Answer:
Pollen is produced during the pollen formation cycle of a flower.
Explanation:
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The Earth has got its tilted axis and this is the reason for different seasons to be formed. Communities are a set of population found in that particular area and are of two types.
A) Terrestrial (Land)
B) Aquatic (Water).
These communities to flourish need a perfect environment with a perfect season. Hence according to the season formed due to the tilted axis influences the terrestrial community which forms in that particular region and have the ability for the region specific community growth.
The terrestrial community of a tundra or desert or rain forest all depends on the particular season that can be formed due to the position of the earth facing the sun.
Answer:
genetic engineering is the process of using recombinant DNA technology to alter the genetic makeup of an organism. genetic engineering involves the direct manipulation of one or more genes.
Explanation:
ggene therapy seeks to alter genes to correct genetic defects and thus prevent or cure genetic diseases. genetic engineering aims to modify the genes to enhance the capabilities of the organism beyond what is normal.
I recomend to carb up before long run
Action potential is a mechanism of transfer of ions across the plasma membrane down their elctrochemical gradient. Action potential is regenerated by the influx of ions such as sodium in case of voltage gated sodium channels. The voltage gated channels can be either open or closed depending on the action potential. Depolarization of membrane leads to the opening of these channels that allow the sodium ions to enter the cell down their electrochemical gradient. The threshold of action potential is reached when the entry of sodium ions out reach the exit of potassium ions from the cell. This leads to the generation of action potential.
