The anthers are in the elevated position so that the pollinators will be attracted towards it, and that the pollen grains are easily carried away by the agents of pollination. The proper pollination is essential for the process of fertilization.
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Answer:
Mutations that cause the death of an organism are called lethals — and it doesn't get more negative than that.
Good evening, Pineappleman!! Your best answer would be D - Some bacteria are beneficial to human health because it talks about how it helps the process of digesting lactose. Your answer would not be A because it is not raising nor decreasing acidity at all, it is not even talking about the acidity in foods. B is wrong because it does not talk about your liver whatsoever. And C does interfere with digestion, but it not harmful. It does talk about how bacteria can help those with lactose problems digest yogurt naturally. I hope I helped!! Have a great evening.
Question: Is the pre-synaptic or the post-synaptic neuron damaged? Explain your rationale in detail (in other words, detail how you came to your conclusion). You're going to have to really think on this one. It's not something you can look up in the text. You will need to use what you have learned about the autonomic nervous system and some critical thinking to arrive at the answer.
Horner's Syndrome riddle: Ach is the neurotransmitter at all ANS preganglionic fibers, including SNS. The pt has decreased sweating and pupil constriction, indicating blockage of SNS transmission. When the MD gave ACh it induced sweating, but not pupil dilation. This is because the sweat glands are an exception in normal SNS transmission, as the postganglionic fibers utilize ACh as their neurotransmitters. Other SNS pathways utilize NE as their neurotransmitter. So ACh acted directly on the sweat gland to produce sweating, but could not stimulate the typical postsynaptic neurons to release NE. When the MD gave NE he saw pupil dilation, but not sweating, indicating the NE worked directly at the iris to produce pupil dilation. This indicaates the problem was with the postsganglionic neuron. If the preganglionic neuron were the problem injecting ACh would have solved both problems.
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