Q. The simplest way to differentiate a prokaryotic cell from a eukaryotic one is to

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Q. Which of the following is the best criterion for deciding whether a cell is prokaryotic or eukaryotic?

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Q. Lysosomes are specialized vesicles in __________ that contain digestive enzymes for the breakdown of food. A related organalle known as a vacuole, which is found in __________ , also contains enzymes but in addition may act as a storage organelle for nutrients or water.

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Q. The highly folded membranes found in such eukaryotic organelles as mitochondria and chloroplasts

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Q. Which of the following are responsible causing the diseases?

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Q. In which of the following cell types more cellular detail can be observed using an electron microscope compared to a light microscope?

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Q. Which of the following is present in both prokaryotes and eukaryotes?

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Q. Microtubules, motor proteins, and actin filaments are all part of

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Q. A certain cell organelle which is made of a double phospholipid bilayer that has many large pores in it, is most likely

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Q. Which of the following cell organelles are expected to be associated with motor proteins?

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Q. Eukaryotic cells are more efficient than prokaryotes because their internal compartmentalization

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Q. An organism's first line of defense against attack by an invader such as a virus or bacterium is usually

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Q. The major second messengers are

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Q. The signaling molecules called steroid hormones

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Q. Which of the following is true about a hydrophilic signaling molecule?

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Q. cAMP and cGMP are derived from

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Q. Nitroglycerin has long been administered to human patients suffering from chronic chest pain (angina). This medication works because it

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Q. If a disease of the blood vessels caused the endothelial cells of the vessel to die, what effect would that have on the cellular activities associated with vasodilation?

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Q. In terms of cell communication, what do bacterial pathogens such as cholera and anthrax have in common?

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Q. What is the name of the protein signaling molecule that alters glucose uptake, and where would its receptors be located?

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