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Cells
Mr. Wood
| Question | Answer |
|---|---|
| A microscope with a 4x objective lens and a 10x ocular lens produces a total magnification of | 4000x |
| Fuzzy images viewed with a microscope may be due to poor | resolution |
| Mature red blood cells are unable to divide or produce structural proteins and enzymes. Which cellular structure is absent in red blood cells? | nucleus |
| Which type of cell would most likely contain large vacuoles for holding water? | plant cell |
| Antibiotics work by attaching to a bacteria's ribosomes and disabling them. Why is this harmful to the bacteria? | they cannot make the proteins they need |
| Cells use transport vesicles to transport large substances from the cell. Which is true about the structure of the transport vesicles and the cell membrane? | they have the same type of phospholipid bilayer |
| Which pair of organelles is responsible for the energy supply to eukaryotic cells? | mitochondria and chloroplasts |
| Which cell organelle is correctly paired with its function? | nucleus----directs cellular activities |
| A student uses a light microscope to compare Elodea plant cells and stained cheek cells. Which two structures would most likely b observed in the Elodea cells that are absent in cheek cells? | chloroplasts and cell wall |
| Refer to the venn diagram comparing cell types below. What are the best titles for A and B? | A is prokaryotic and B is eukaryotic |
| What is the potential use of embryonic stem cells? | creation of new tissues |
| As an embryo develops, what process is responsible for cells becoming eye and liver cells? | differentiation |
| Which statement is true regarding prokaryotic and eukaryotic cells? | prokaryotic cells are less complex than eukaryotic cells |
| Which organelle works with the plasma membrane to store water brought in so it can be used at a later time, especially in plants? | vacuole |
| Which two organelles are most important in the production of proteins in a cell? | ribosomes and golgi bodies |
| If the mitochondria needed more enzymes in order to create more ATP for the cell, where would these enzymes most likely come from | the ribosomes would assemble them |
| Why is it important that the inner membrane of the mitochondria be folded in both plant and animal cells? | the folded membrane increases the surface area for energy production |
| Which cell types can differentiate into a variety of cells? | stem cells |
| The respiratory system depends on the nervous system for signals to | coordinate muscles controlling breathing |
| The fight-or-flight response includes greater heart output and a rise in blood pressure. This response is due to | adrenaline secreted by the adrenal glands |
| Which of the following is the correct sequence to show the levels of cellular organization from least to complex to most complex? | cell, tissue, organ, organ system, organism |
| Which of the following would be the best example of an organ? | leaf |
| If the mechanism for producing a steroid was damaged which of the following systems would be affected first? | endocrine system |
| Which of the following systems would play an important role in allowing cells to communicate and work together? | both a and b |
| Which of the following is required in order for all forms of cellular communication to take place? | receptor proteins |
| Which best explains why muscle cells are different from blood cells? | muscle cells experience different environmental influences than blood cells |
| Which of the following structures is responsible for conducting electrical signals over long distances through the body? | axon |
| Which of the following types of cells would most likely affect a plants ability to transport water throughout the organism if they were damaged? | xylem |
| Which of these is best demonstrated by the experiment above? | the nucleus of a tadpole cell is unspecialized |
| What process best explains how a nerve cell and a muscle cell can both develop from the same fertilized egg? | differentiation |
| Adjusting the focus of a microscope for depth-of-view refers to changing the focus so that you are able to see objects at | different depths |
| You should never use which of the following when you are also using the high power objective | coarse adjustment |
| When observing cells under a microscope which organelle will most likely be visible? | nucleus |
| When you first start observing a slide under a microscope you should begin with which objective? | scanning |
| Which of the following would have the greatest effect on your ability to observe cells when preparing a slide to be viewed under a compound light microscope? | cleaning the slide and cover slip |
| This diagram shows a plant cell. Which structure is the best example of an organelle found in a plant cell but not in an animal cell? | 3 |
| Refer to the illustration above. The cell shown is probably an animal cell because it | does not have a cell wall |
| Which of these best completes this concept map? | a plant cell |
| Refer to the illustration above. The structure that acts a gate to the cell's interior is labeled | 4 |
| The organelles associated with plant photosynthesis are the | chloroplasts |
| In a cell, proteins are made on the | ribosomes |
| The plasma membrane | all of the above |
| Phospholipids are molecules that | all of the above |
| The cell membrane of the red blood cell will allow water, oxygen, carbon dioxide, and glucose to pass through. Because other substances are blocked from entering, this membrane is called | semi-permeable |
| How are prokaryotic and eukaryotic cells similar? | both contain ribosomes |
| One difference between prokaryotes and eukaryotes is that | prokaryotes do not have a nucleus |
| A structure within a eukaryotic cell that performs a specific function is called a(n) | organelle |
| A cell from heart muscle would probably have an unusually high proportion of | mitochondria |
| What will most likely be the result if all of the mitochondria are removed from a plant cell? | it will be unable to carry out respiration |
| Eukaryotic cells are differentiated from prokaryotic cells because eukaryotic cells | have nuclei |
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godgurl13