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BB AtomicAge comp. c
Berean Builders Science in the Atomic Age Chapter 9 comprehensive check
| Question | Answer |
|---|---|
| arrange these things from lowest to highest in the levels of organization: organelles, atoms, cells, molecules, tissues. | atoms, molecules, organelles, cells, tissues |
| two cells from an organism look very different under a microscope. most likely, do they come from the same tissue, or different tissues? | different tissues. |
| suppose you were looking at a dinosaur fossil under a microscope and found small cells that don't have any organelles in it. would it be reasonable to think that they are dinosaur cells? | no |
| the body is running low on calcium, so it is getting it from a bone. if you looked at the bone tissue under the microscope, would you see more osteobalsts or osteoclasts? | osteoclasts |
| a muscle is getting longer. are the cells contracting, or have they relaxed? | relaxed |
| a muscle called the diaphragm is the most important one involved in breathing. is it made of skeletal muscle tissue or smooth muscle tissue? | skeletal muscle tissue |
| if two bones are supposed to stay together in a joint but suddenly move apart, what connective tissue tries to keep them from moving too far from one another? | a ligament |
| in chapter 5, you learned about a protein called insulin. it is produced by epithelial cells and travels in your blood to all the tissues of your body. which of the three functions ( protection, absorption, or secretion) are those cells preforming? | secretion |
| imagine an axon that is going across a table. if the signal is moving from the left side to the right side of the table, which side is the cell body on? | left side of the table. |
| demyelination diseases cause the myelin sheath to deteriorate. if a man has that kind of disease, which would you expect him to lose control of first: his hands or his shoulders? | hands |
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mbrennan262
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