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Answer:
Stomata would not open and close.
Explanation:
This is the answer because guard cells play an important function of controlling stomata. The ensures that stomata are open during the day and closed during the night for the purposes of photosynthesis. The stomata are the pores that are found on the under surface of a plant leave,whose role is gaseous exchange.
The main function of guard cells is to regulate the opening and closing of the pore formed between the gap of two guard cells, termed as stomata.
- Option A is incorrect as stomata are the least susceptible area from where pathogens can enter the plant cell.
- Option B is incorrect because photosynthesis is not directly and much affected by guard cells.
- Option D is incorrect as chloroplasts are not associated with the guard cells.
- Stomata are directly linked with movement of guard cells, so correct answer is option C. Through stomata, exchange of gases and water vapor takes place.
Mark, who feels so depressed that he recently tried to kill himself will most likely benefit from electroconvulsive therapy.
<h3>What is Electroconvulsive therapy?</h3>
This technique is used to treat patients who are depressed or have a bipolar disorder.
Mark experiencing depression therefore makes him the person which will most likely benefit from this type of therapy.
The options are:
a. Mark, who feels so depressed that he recently tried to commit sui cide
b. Mary, who suffers from amnesia and has lost her sense of identity
c. Jim, who experiences visual hallucinations and suffers from a delusion that enemy spies are following him
d. Luke, who suffers from a compulsion to wash his hands at least once every 15 minutes
a. Mark, who feels so depressed that he recently tried to commit sui cide
Read more about Electroconvulsive therapy here brainly.com/question/3773234
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