Which of the following is the most common outcome of infection with polio virus?
A. Paralysis involving the muscles that enable respiration
B. Mild infection with fever, headache, sore throat, or asymptomatic
C. Severe gastrointestinal disease with vomiting and diarrhea
D. Paralysis of the lower extremities
Answer: B
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It can be very difficult to select an angle for sneaking up to a grasshopper to catch it because grasshoppers have _____
A) excellent hearing for detecting predators B) compound eyes with multiple ommatidia C) eyes with multiple fovea D) a camera-like eye with multiple fovea E) binocular vision
To test for the presence of starch, iodine can be used. A positive reaction results in a black color. A dialysis bag filled with starch solution and secured on both ends is placed in iodine solution. After 30 minutes the dialysis bag appears black. Based on this information, what most accurately describes what happened?
A. Due to its size and polarity, starch was able to exit the dialysis bag and interact with the iodine solution. B. Due to its size and polarity, iodine was able to enter the dialysis bag and interact with starch. C. Over time, both iodine and starch are equally distributed throughout the two solutions. Clarify Question · What is the key concept addressed by the question? · What type of thinking is required? Gather Content · What do you know about dialysis? What other information is related to the question? Choose Answer · Given what you now know, what information and/or problem solving approach is most likely to produce the correct answer? Reflect on Process · Did your problem-solving process lead you to the correct answer? If not, where did the process break down or lead you astray? How can you revise your approach to produce a more desirable result?
Each of the following is a function of membranes except
A) defining cell and organelle boundaries. B) sites for specific biochemical functions. C) information storage. D) regulation of transport. E) cell–cell communication.
Dehydration synthesis is a common feature of polymer production in cells.
Answer the following statement true (T) or false (F)