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Bio Exam 2
| Question | Answer |
|---|---|
| The theory that eukaryotic cells were created from prokaryotic cells entering other cells to become their organelles. | Endosymbiotic theory |
| What supports the endosymbiotic theory? | Mitochondria and Chloroplasts |
| Affects LaminA and causes fast aging | Progeria |
| Neuronal myelin is destroyed; this is a peroxisomal disorder | ALD |
| Building up of toxic lipids in the brain; missing HexA | Zellweger |
| Functional peroxisomes are reduced, toxins buildup in the body | Tay Sach's |
| What do lysosomes do? | Recycle/digest dead molecules |
| What does the nuclear envelope do? | Surrounds nucleus, contains pores for mRNA |
| Gives the cell membrane its fluidity | Cholesterol |
| Sugared proteins | Proteoglycans |
| Fibrillin disorder | Marfan's syndrome |
| Brittle bone disease | Osteogenesis imperfecta |
| Skin cells don't stick together | Epidermolysis bullosa |
| Cancer cells travel through disturbed ECM | Metastatic cancer |
| Pores that allow for passage of ions and rapid communication | Plasmodesmata |
| A solution that has less free water/more concentrated solution to a cell | Hypertonic solution |
| A solution that has equal concentrations of solute to a cell | Isotonic |
| A solution that has more free water/less concentrated solution than to a cell | Hypotonic solution |
| Movement of water down its concentration gradient/hypotonic to hypertonic/high free to low free | Osmosis |
| Blood cells in hypotonic solution are_____? | Lysed (exploded) |
| Blood cells in hypertonic solution are_____? | Crenated (shriveled) |
| Plant cells in hypotonic solution are_____? | Turgid/normal (push against cell wall) |
| Plant cells in isotonic solution are_____? | Flaccid (semi-flat) |
| Plant cells in hypertonic solution are_____? | Plasmolyzed (shriveled) |
| What is hydroxylamine? | A direct enzyme inhibitor |
| What is peroxidase's ideal pH? | 5 |
| What does Barium Chloride test for? | Sulfate ions |
| What does silver nitrate test for? | Chloride ions |
| What does peroxidase do? | Oxidizes guaiacol (plant syrup) and forms H2O |
| Distance pigment migrated/Distance solvent front migrated | =Rf value |
| Yellow/Yellow-Orange pigment | Carotene |
| Yellow/Gray pigment | Xanthophyll |
| Green/Blue Green | Chlorophyll A |
| Yellow-green/Olive green | Chlorophyll B |
| What did DCPIP act as in the hill reaction? | Artificial electron acceptor |
| When light is exposed to the chloroplasts, why does the dark blue color fade? | DCPIP is reduced, losing its color |
| H2O + DCPIP --> ??? | DCPIP-H2 + 1/2 O2 |
| Endergonic reactions have _____ delta G | negative |
| Why do C4 plants need another enzyme to carry out carbon fixation? | Rubisco is both a reducatse and an oxygenase |
| What is a C4 plant example? | Corn |
| What is a C3 plant example? | Soybeans |
| What is a CAM plant example? | Cactus |
| What do C3 plants use to fix carbon? | The calvin cycle |
| What plants fix carbon dioxide at night into a 4-carbon compound to save water? | CAM plants |
| What plants fix CO2 into a four carbon compound and then turn it into a 3 carbon sugar? | C4 plants |
Created by:
aej8
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