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Cards In This Set
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Can the two layers of a membrane have different charges? Why or why not?
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How is symport different from antiport?
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List 2 significant differences that distinguish prokaryotic cells from eukaryotic cells.
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1. Prokaryotes have no membrane bound nucleus. Eukaryotes do.2. Prokaryotes are smaller in size and have a smaller genome that eukaryotes.
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Identify one function of cell-surface carbohydrates.
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1. Carbohydrates often attach to the external surface of integral proteins. 2. Carbohydrates may hold adjoining cells together or act as sites where viruses or chemical messengers such as hormones can attach.
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Research indicates that mitochondria and chloroplasts were once free-living organisms. What are the two pieces of evidence that led researchers to deduce this?
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1. DNA of mitochondria and chloroplasts are different from the organism which contains them, but the DNA is very similar to that of bacteria.2.
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How are endosomes involved in the process of receptor-mediated endocytosis?
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How do you calculate the magnification of an object under the microscope?
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Ocular lens multiplied by the objective being used
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