bio exam 3 review.docx - 1 QUESTION 1 Nitrogen is needed to...

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QUESTION 1 1. Nitrogen is needed to make _____, and when _____ are broken down by catabolism they release nitrogen as ammonia, which is highly toxic and must be removed from the blood. (The same word fills both blanks.) proteins lipids carbohydrat es QUESTION 2 1. A student was asked to make a microscope slide of his own blood. He did not want to prick his finger to get the blood and used the blood of a frog instead. His teacher gave him a failing grade because it was easy to tell that the student did not use his own blood. How did the teacher know? The red blood cells on the slide had nuclei. There were no white blood cells on the slide. The erythrocytes had no nuclei. The blood plasma was green. 1. Which of these cells is NOT living tissue? cartilage bone adipose (fat) blood All of these are living tissue. None of these are living tissue. QUESTION 4 1. digestion begins when _____ . we put food in our mouths. food enters the stomach.
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we smell food. food enters the small intestine.
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  • Spring '16
  • Christina Snaples

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