Metabolic Reactions Lessons 1-6 Question Preview (ID: 62746)
Metabolic Reactions.
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1. Where did most of M’Kenna’s symptoms sound like they were coming from?
a) Her digestive system
b) Her circulatory system
c) Her nervous system
d) Her skeletal system
2. What symptoms started happening first?
a) Her digestive symptoms started before the others
b) she ran a fever
c) she had body aches all over
d) Her nervous system was working properly
3. What are some things that substances moving through the digestive system can do?
a) move into other parts of the body, change into a different substance, convert things into energy, disappear
b) not convert into energy
c) not change into something different
d) not exit the body
4. What inside of M’Kenna’s digestive system looks similar to the healthy patient?
a) the coloring of both are similar and the lining of some of the organs look similar. They had ridges.
b) They were all pink in color
c) They all had a smooth lining
d) They all had the same amount of moisture in them.
5. What inside of M’Kenna’s digestive system looks most different from the healthy patient’s?
a) Her small intestine look very pale and smooth compared to the healthy small intestine.
b) It had lots of blisters all over it
c) It was very red and irritated
d) Her small intestines were green and smooth.
6. Which organ(s) do you suspect is the problem?
a) The beginning and middle of the small intestines
b) The mouth
c) The esophagus
d) The large intestine
7. We know that matter can’t just disappear. What ideas do we have about what is happening to the molecules that are disappearing in the small intestine?
a) They might be moving through the digestive system, it is changing into something else, it is disappearing, It is being absorb
b) It is being absorbed by the spit in her mouth
c) It is being absorbed in her large intestine
d) They might be getting dissolved completely in her stomach by her stomach acid and not making it to her small intestines.
8. What does the dialysis tube represent?
a) The dialysis tube is the small intestine
b) The dialysis is the stomach
c) The dialysis is the mouth
d) The dialysis is the large intestine
9. What should the outside of the tube represent?
a) The outside of the tube is the rest of the body outside of the small intestine
b) The outside of the tube is the outer lining of the small intestine
c) The outside of the tube is the connection between the stomach and the small intestine
d) The outside of the tube is just the outside of the tube and doesn't represent any part of the human body.
10. Did any of the food molecules end up on the other side of the dialysis tubing?
a) The sugar we put inside the dialysis tubing ended up outside of it
b) The sugar we put inside the dialysis tube ended up just being dissolved and didn't move from the inside of the tube
c) The sugar we put inside the dialysis tube ended up settling at the bottom of the container and didn't show any reaction
d) The sugar we put inside the dialysis tube disappeared completely.
11. How do you know? What’s your evidence?
a) When we tested the outside of the tube with Benedict's, it turned orange
b) When we tested the outside of the tube with Benedict's, it turned blue
c) When we tested the outside of the tube with Benedict's, it turned green
d) When we tested the outside of the tube with Benedict's, it turned purple
12. Did any food molecules stay inside of the dialysis tubing?
a) The starch we put inside the dialysis tube ended up staying inside the tube
b) The starch we put inside the dialysis tube ended up moving to the outside of the tube
c) The starch we put inside the dialysis tube ended up dissolved and didn't show up anywhere
d) The starch we put inside the dialysis tube ended up melted and settled at the bottom of the container
13. How do you know? What’s your evidence?
a) When we tested outside of the tube with iodine, the color did not change to black. It stayed brown.
b) When we tested outside of the tube with iodine, the color changed to red.
c) When we tested outside of the tube with iodine, the color brown disappeared and was translucent
d) When we tested outside of the tube with iodine, the color changed to purple
14. What do our results tell us about the structure of the dialysis tubing?
a) • There must be small openings/gates in the surface of the dialysis tubing.
b) The material was not sealed completely at the top or bottom and the substances got out
c) the material of the dialysis tube was weak and didn't work
d) The material of the dialysis tube is thick like a plastic bag and we had to put holes in it for it to work
15. What structure in our bodies was the dialysis tubing similar to again?
a) our small intestines
b) large intestines
c) stomach
d) mouth
16. How is it possible that some molecules can get through a structure like the dialysis tubing but not others?
a) The shape or size of the molecule of a complex carbohydrate must be different from a sugar molecule.
b) The shape or size of the molecule of glucose must be different from a sugar molecule.
c) The shape or size of the molecule of a complex carbohydrate must be different from a starch molecule.
d) The shape or size of the molecule of a protien must be different from a sugar molecule.
17. What do our results tell us about what might be different about the structure of starch versus sugar molecules?
a) Maybe they are bigger or have a different shape that doesn’t fit through the holes/pores/gates in the surface.
b) Maybe they are smaller and have a different shape that doesn’t fit through the holes/pores/gates in the surface.
c) Maybe they are bigger or have a different color that sorts which sorts them at the surface.
d) Maybe they decided to just not want to go through the pores/holes/gates in the surface
How do the molecules compare?
a) The starch molecule is much, much bigger than the sugar molecule.
b) The starch molecule is much, much bigger than the starch molecule.
c) The starch molecule is much, much smaller than the sugar molecule.
d) The starch molecule is much, much bigger than the glucose molecule.
19. What is different about them?
a) The starch molecule is like a long string; the sugar molecule is a small clump.
b) The starch molecule is like a round circle; the sugar molecule is a small clump.
c) The starch molecule is like a long string; the sugar molecule is a large clump.
d) The starch molecule is like a long straw tube; the sugar molecule is a small clump.
20. Are there any similarities between the two food molecules?
a) They both appear to be made of the same types of atoms (C, H, and O)
b) They both appear to be the same shapes and sizes
c)
d)
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