Lab2 - Lab 2 Cell Lab 1 In studying the living creatures...

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Lab # 2 Cell Lab 1. In studying the living creatures, why did you use a clean pipette to transfer a drop of the culture and prepare a different slide each time? - We used a clean pipette and a new slide each time so that we would not take the chance of contaminating the culture or cells living in it. 2. Why not mix them? - We do not want to mix them because we then take the chance of the cells killing each other or contaminating the cells to where they die. 3. Describe any breathing adaptations that you saw in animal forms. - The breathing adaptations that we saw in animal forms were that it was like an in and out motion. 4. What evidence did you find to suggest that plants and plantlike organisms were plentiful in the containers? - The evidence we found that plants and plantlike organisms were plentiful in the containers were by the organisms we saw in the containers. 5. How are plant and animal cells different? Explain from observing the onion and cheek cell. - Plant cells have cell walls, large vacuoles , and plastids while animal cells have cell membrane, centrioles, and small vacuoles. 6. Make a diagram of an animal and plant cell and label all the parts. List functions. - On next page. 7. Why is important to be able to observe live materials?
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- It is important to be able to observe live materials so that we can see how they react to other factors and to be able to study them in depth. 8. What is the advantage of having a stained cell? - The advantage of having a stained cell is so that we can pinpoint where the cell is under the microscope. 9. Why should you be careful in drinking faucet water? - We should be careful in drinking faucet water because if the water is not checked daily by the water plant organisms could get into the water and make us sick or even kill us. 10. Why is it not advisable to swim in ponds? - It is not advisable to swim in ponds because living organisms live in the pond such as the amoeba that could kill us. 11. Use a dichotomous key and classify three organisms. - On the next page. Characteristics of Life 1. Reproduction 2. Metabolism 3. Cellularism
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4. Irritability 5. Respiration 6. Excretion 7. Ingestion 8. Digestion 9. Circulation 10. Defecation 11. Locomotion 12. Development 13. Senescence 14. Inhalation
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Plant Cell cell wall - the thin layer of protein and fat that surrounds the cell. The cell wall is semi permeable, allowing some substances to pass into the cell and blocking others. centrosome - (also called the "microtubule organizing center") a small body located near the nucleus - it has a dense center and radiating tubules. The centrosomes is where microtubules are made. During cell division (mitosis), the centrosome divides and the two parts move to opposite sides of the dividing cell. chloroplast - an elongated or disc-shaped organelle containing chlorophyll.
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