Answer:
Option (a).
Explanation:
The botanist may be defined as the individual who does the complete study about the plants. The physical condition and environmental condition that affect the plants are studied by the botanist.
The botanist has expressed the potato plant in two different condition as explained in the question. AVR protein can cause the death of the plants. The mortality or death rate will be higher in those plants that are exposed to the oomycete species as this species will produce the large amount of protein that causes the mortality in plants.
Thus, the correct answer is option (a).
The right answer is B. controlling the flow of blood to the skin
When the body temperature is below the set point, the hypothalamus activates several thermogenesis mechanisms:
* Vasoconstriction on the vessels near th skin by the sympathetic nervous system to reduce thermal exchanges between the skin and the surrounding environment.
* And increase in heat production:
-by muscular activity:
-by the metabolism:
Water-soluble vitamin excesses are swiftly eliminated in urine and infrequently build up to hazardous amounts.
What is water-soluble vitamins ?
The B vitamins — folate, thiamine, riboflavin, niacin, pantothenic acid, biotin, vitamin B6, and vitamin B12 — and vitamin C are the nine water-soluble vitamins. A clinical condition caused by a deficiency in one or more of these water-soluble vitamins can have serious morbidity and death effects.
The fat-soluble vitamins are used by your body as needed, and any extra is stored in your tissues and organs. The risk of vitamin poisoning increases when you take too much fat-soluble vitamins on a regular basis, making them more dangerous than water-soluble vitamins.
To learn more about vitamin poisoning click on the link below:
brainly.com/question/9445187
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The diaphragm stops the passage of light
