A plant is growing in the middle of a patch of bare dirt, Ask an Expert

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1. A plant is growing in the middle of a patch of bare dirt; there are no other plants within 20 meters except for one other plant one meter away. This second plant has a straight stem and is 3 meters tall. The first plant sends out a shoot along the ground directly towards the tall plant. When it reaches the tall plant%u2019s stem it grows up the stem by winding around and around it. How did the shoot know to grow straight to the other plant? How did it know when it got to the other plant?

2. What would happen to urine output of a rabbit if the cells of the tunica media of all glomerular afferent arterioles were totally inactivated? The afferent arteriole is the one leading into the kidney glomerulus. Concern yourself only with what happens before the rabbit dies of renal failure.

Write a hypothesis for each question, and clearly describe each process using key vocabulary words that relate to each question. Points will be given to the most accurate and descriptive responses.

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Category:- Biology
Reference No.:- M9356751

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