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25 Cards in this Set
- Front
- Back
The long aspirin question |
The enzyme is is found in many different types of cells. |
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According to ____, energy cannot be created or destroyed |
The first law of thermodynamics |
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Which of the following is a coenzyme |
Vitamin b6 |
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Which of the following statements regarding membrane function is false? |
The plasma membrane is the controls center of the cell. |
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Which of the following processes is classified as a metabolic pathway? |
Protein synthesis |
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Cells acquire low-density lipoproteins (lds) by |
Receptor-mediated endocytosis |
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An energy barrier |
Prevents the spontaneous breakdown of molecules. |
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The fluid mosaic model describes the plasma membrane as consisting of |
Diverse proteins embedded in a phospholipid layer. |
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Most of the functions of a cell membrane, including transport and enzymatic function are performed by |
Proteins |
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Bacterial production of the enzymes... |
Feedback inhibition |
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Which of the following statements about thermodynamics is false |
An automobile engine |
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A plant cell in a hypotonic solution |
Becomes turgid |
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Microfilaments differ from microtubules in that microfilaments |
Are mainly composed of actin |
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A scientist wants to magnify a pollen grain |
A scanning electron microscope |
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A pathologist who wants to examine a patients liver cells |
Transmission microscope |
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Which of the following statements about electron microscopes is true? |
Electron microscopes focus electric beams |
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Which of the following cell structures are associated with the breakdown of harmful substances? |
Peroxisomes |
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The endomembrane system includes all of the following except for |
Peroxisomes |
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Contractile vacuoles |
Prevent cells from bursting because of the influx of excess water |
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The endosymbiosis hypothesis is supported by all of the following pieces of evidence except the fact that |
Mitochondria lack ribosomes like prokaryotes |
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Which organell is involved in the recalibration of fatty acids and the detoxification of alcohol |
Peroxisomes |
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Mitochondria differ from chloroplasts in that mitochondria |
Contain membrane folds called cristae, where as chloroplasts contain grana |
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It Is essential for heart muscle cells to be in a coordinated fashion. The cell junctions that would best facilitate this are |
Gap junctions |
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Archaea are composed of____cells |
Prokaryotic |
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Most animal cells are |
Embedded in extracellular matrix |