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BCS103 Mod4
mod 4 practice Lab quiz
| Question | Answer |
|---|---|
| A chemical substance (green pigment) that is present in Elodea cell, but is not present in onion skin cells, is _____. | chlorophyll |
| The center of most plant cells, such as Elodea, appears to be empty. This is due to the presence of the(a) _____. | a large central vacuole |
| The green spheroid organelles within Elodea cells are the ______. | chloroplast |
| If you were getting a total magnification of 270 X magnification while using a 45 X high power objective, what would be the power of the eyepiece? | 6x |
| Which organelle, found in an animal cell, but not found in a plant cell, functions in cell division, i.e., mitosis? | centriole |
| An organelle that is present in Elodea cells, but is not present in onion cells is the _____. | chroloplast |
| An important cellular process that is performed by Elodea cells, but not by the observed onion cells is _______. | photosynthesis |
| A cell that possesses chlorophyll usually also possesses a(n) _______. | cell wall |
| Trace the path of light through a microscope numbering each part of the sicroscope as the light passes through it from the light (1) to the oculars (8). | light source, diaphragm, condenser, stage , objectives, nose piece, body tube, and ocular. |
| Which of the following cell structures can be seen in a stained onion cell? | nucleus, nucleolus, and cell wall |
| The chemical compound in Elodea cells, but not in onion cells is _____. | chlorophyll |
| What is the total magnification of objects observed through a 40X high power objective with a 7.5 X ocular? | 300x |
| Plant and animal cells are alike in that both possess a(n) _____. | plasma membrane |
| When comparing Elodea cells with cheek cells, which of the following statements is true? | Elodea cells have a cell wall, a central vacuole, and chloroplasts, but cheek cells do not have these structures. |
| The structure in a cheek cell appearing darker by absorbing most of the stain is the _____. | necleus |
| The flowing motion of the cytoplasm, within the Elodea cells, which cause the organelles (i.e., chloroplasts) to move is known as cytoplasmic streaming or ____. | cyclosis |
| The structure that surrounds a plant cell, but is not found in an animal cell is the ___. | cell wall |
| How does the microscope change the position of the object while being observed under the microscope? | the object is backwards and upside down in orientation |
| Which of the following cell structures that are common to a both typical plant cell and a typical animal cell? | nucleus, cytoplasm, and plasma membrane |
| A structure having a similar function in both plant and animal cells is the ____. | plasma membrane |
| The advantage of staining cells is __________. | to increase the contrast of cellular structures that would otherwise be transparent against a transparent background. |
| The cellular structure, common to all types of cells, that encloses the cytoplasm and controls cell transport is the ________. | plasma membrane |
| The shape of an Elodea cell is described as _____. | elongated rectangles |
| After observing an unstained slide with a microscope, which organelle usually enables you recognize or identify the cell as a plant or an animal cell? | chloroplast |
| A student will be able to identify cells viewed with a microscope as plant cells because plant cells possess _____. | chloroplast |
| The structures of a stained cheek cell that are clearly more visible with a microscope are the ____. | nucleus, plasma membrane, and cytoplasm |
| Why was it necessary to move the letter "e" to the center of the low power field before changing to high power? | to keep the image in the field of view. |
| A plant cell organelle that stores dissolved material is the ____. | vacuole |
| Two cellular structures that are present in a plant cell, but are not present in an animal cell are the _______ and the _________. | chloroplast and cell wall |
| The membrane-bound, cytoplasmic storage organelle containing dissolved material is a(n) _____. | vacuole |
Created by:
pfrizzel