QUESTION 1
Cell membranes are found in
prokaryotes |
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eukaryotes |
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Both a and b |
QUESTION 2
A nucleus can be found in ___________________________ cells.
prokaryote |
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Eukaryote |
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Both a and b |
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None of the above. |
QUESTION 3
Which of the following statements are part of Cell Theory?
Cells are the basic units of life |
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All living things are made up of cells |
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Cells grow and reproduce |
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All cells have the same basic composition. |
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All of the above |
QUESTION 4
The area you see when you look into the ocular of a microscope is called the ------------------------------------
White space |
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Bright circle |
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Field of view |
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Cover Slip |
QUESTION 5
If your field of view is 1.5 mm and 15 hairs will fit across the field of view, what is the diameter of one hair?
1 mm |
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0.1 mm |
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0.01 mm |
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1 µm |
QUESTION 6
If you look at cells under the microscope under low and high power, you will see _________________ cells at high power than at low power.
more |
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fewer |
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the same number of |
QUESTION 7
What tool did you use to measure the field of view on your microscope?
The "e" slide |
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Cover slip |
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The metric slide |
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Toothpick |
QUESTION 8
The following is used to better visualize cell structures on the microscope.
diatomaceous earth |
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pond water |
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yeast |
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stain |
QUESTION 9
0.3 mm = ________ µm
0.03 µm |
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3 µm |
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30 µm |
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300 µm |
1-Cell membranes are found in both eukaryotes and prokaryotes.
2.-Nucleus can be found in eukaryote cells.
3- KEY POINTS OF CELL THEORY-
The expanded version of the cell theory can also include:
QUESTION 1 Cell membranes are found in prokaryotes eukaryotes Both a and b QUESTION 2 A...
DATE NAME SECTION/GROUP INSTRUCTOR DATA: EXERCISE 5 MAKING CONNECTIONS A. Plant Cell 1. Which magnification level gives you the best view of the leaf? 2. Can you see individual cells in your live leaf slide? If so, what makes them look individual? 3. What structures are visible in the live leaf slide? 4 What structures are visible in the stained prepared slide? B. Animal Cells 1. What level of magnification gives you the most information? Were there more structures visible...
Lab Manual Total magnification is calculated by multiplying the magnification of the ocular lens (eyepiece) by the magnification of the objective lens. The magnitication of a lens is imprinted on the lens casing. Total Magnification Observation: Total Magnification Calculate total magnification figures for your microscope, and record your findings in Table 2.3. Total Magnification Table 2.3 Total Magnification Objective Lens Ocular Lens Objective Scanning power (if present) Low power High power Oil immersion (if presents A microscope's field of view...
Lab Exercise 7 5. Place the s PROCEDURE (letter "e" prepared slide) the equation on the lens is in place 1. Record the details from the objective lenses and the ocular lens. Use the ea previous page to determine the total magnification when each objective len and enter the results in the table below: power (40 will come will, do no if necessar the course Your micro lens to anc Reposition Magnification of ocular lens lens Total magnificati Stripe color...
because you scraped them off the lining clumps because Lab Exercise 7 praw two or the label the cell memb vo or three cells at high power magnification in the space provided below, cell membrane, cytoplasm, and nucleus of at least one of the cells. Draw and label: Cell Membrane Cytoplasm Nucleus DRAWING OF SEVERAL SQUAMOUS EPITHELIAL CELLS Estimate the width of a typical squamous epithelial cell, using one (or both!) of the quations at the top of page 222,...
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Draw the slide under 400X. Indicate the cell type, magnification, and estimate the cell size. 14. Elodea 1. Prepare a wet mount of an Elodea leaf (Anarcharis). You will use one glass slide and cover slip for this entire lab. After preparing each slide, remove the specimen and throw it into the trash. Wash the slide in the sink. Dry the slide with a paper towel very carefully and pat the cover slip dry so that the plastic does not...
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Viewing Onion Epidermal Cells 1. With a scalpel, strip a small, thin transparent layer of cells from the inside of a fresh onion 2. Place it gently on a clean glass microscope slide and add a drop of iodine staining solution 3. Cover with a glass coversclip and observe. Reduce the light source by closing the diaphragm 4. Draw a number of the cells to scale (at low power - 100X) in the space provided below. 5. Locate...
EXERCISE 1:USE AND CARE OF THE MICROS D CARE OF THE MICROSCOPE 11. Alter use, remove the slide, wipe oil of it, put dist cover on the microscope, and return it to the designated area. 12. When a problem does with the microscope obtain help from the instructor. Do not use other microscope unless yours is declared out of action." FIGURE 14 Focusing the condenser. () Ching low power, lower the condenser til distinct circle of light is visible. Cester...
elfy the nape of Bacterial Cell Most bacteria are found in three basic shapes shiritum spiral os helical), bacillus (rod), and coccus (round or spherical) (Fig. 13.4), Bacilli may form leng filamento acci mayorm clusters or chains. Some bacteria form endospores. An endospore contains of the venetic material encased by heavy protective spore coats. Spores survive unfavorable conditions and germinate to form vegetative cells when conditions improve Observation: Shape of Bacterial Cell 1. View the microscope slides of bacteria on...
Laboratory Final Examination Plesse read cach question carcefully and mark your answers on the scantroe provided. For the True or False questions A-True B-Fas Plcase retam both examination and scantron to the lestructor once you are finished When carrying a microscope to and from your bench your hands should be placed a) one hand on the arm and one under the base b) both hands on the arm ) only one hand should be used under the hase d) both...