It releases certain chemicals
The vegetal pole of a frog zygote differs from the animal pole in that the vegetal pole has a higher concentration of yolk.
After the fertilisation of the egg by the sperm in a frog, three regions are formed in the zygote. These are:
- Upper animal hemisphere or upper animal pole which shows pigmentation.
- The grey crescent which is a small area with almost no pigmentation. It is present in between the upper animal pole and the lower vegetal pole.
- Lower animal hemisphere or lower vegetal pole which is white in color.
Thus, the vegetal pole of a frog zygote differs from the animal pole in that the vegetal pole has a higher concentration of yolk.
Learn more about the frog zygote here: brainly.com/question/14951741
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Answer:
E) Prostaglandins
Explanation:
In Veterinary Medicine (Eleventh Edition), 2017 book it is mentioned that when bacteria release pyrogens it abrupt the functioning of Interleukin-1 which is responsible for fever. It increases the synthesis of prostaglandins in hypothalamus which disrupts the thermostatically set point and initiate mechanism of vasoconstriction and shivering thermogenesis until the body temperature reached to hypothalamus set point.
Small intestine, That's because they're long which enables a wider work for enzymes and digestive juice.
The enveloped virus make the cell think that they just found a jackpot of protein, only to find a virus inside to take over the system, like the trojan horse.