Term
| osmosis can be defined as |
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Definition
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| what is not a type of signaling molecule |
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Definition
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| a transmembrane protein differs from other membrane proteins because it: |
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Definition
| completely extends through the membrane |
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Term
| in a recent murder mystery, a woman died in minutes after consuming cyanide-laced sugar. forensic scientists did some research and found out that death was caused by lack of the energy rich molecule ATP. which cellular organelle was affected by this poison |
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Definition
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Term
| a human white blood cell engulfs a bacterial cell by: |
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Definition
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| a plant cell in a hypotonic solution |
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Definition
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Term
| integrins are unusual in that they: |
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Definition
| respond to information received from inside and outside the cell |
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Term
| what is not an example of a response that cells make to a signal |
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Definition
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Term
| mitochondria are found in which type of cell |
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Definition
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Term
| what would most likely diffuse across a synapse |
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Definition
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Term
| what statement regarding rough endoplasmic reticulum is correct |
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Definition
| the rough ER is covered with ribosomes |
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Term
| paracrine signaling is different from other types of signaling in that the signaling molecule: |
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Definition
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Term
| one key function of the nuclear pores is to |
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Definition
| allow molecules such as proteins to move into and out of the nucleus |
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Term
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Definition
| are secreted by endocrine glands |
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Term
| a cell that gains and loses water at an equal rate when it is immersed in a solution is |
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Definition
| isotonic to its environment |
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Term
| what statement regarding the nucleus is correct |
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Definition
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Term
| in a classroom experiment, you ground up some spinach in distilled water and filtered the liquid onto a piece of filter paper. the isolated organelles absorbed oxygen and released carbon dioxide. which cellular organelle wa most likely on the filter paper |
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Definition
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Term
| what statement about active transport is correct |
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Definition
| can involve the coupled passage of solutes, requires the cell to expand energy, can move solutes up a concentration gradient, uses ATP as an energy source |
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Term
| what is NOT a part of the cell membrane |
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Definition
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Term
| process of enhancing signal strength as a signal is relayed through a signal transduction pathway is called ___ |
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Definition
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Term
| what is the correct sequence of events involved in cell signaling |
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Definition
| sending, receiving, signal transducing, responding |
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Term
| channels between adjacent cells that allow movement of small molecules are called |
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Definition
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Term
| process of inactivating the receptor and each component of the signal transduction pathway once they have done their jobs is called ____ |
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Definition
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Term
| a freshwater paramecium is placed in salt water (hypertonic environment). which of the following events would most likely occur |
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Definition
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Term
| a scanning electron microscope is used to study___, whereas a trasmission electron microscope is used to study___ |
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Definition
| cell surfaces...internal cell structures |
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Term
| what describes the function of the nucleus |
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Definition
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Definition
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Term
| an inherited lack (or shortage) of functional LDL receptors causes |
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Definition
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Term
| a botte of perfume is opened on the opposite side of the room and within minutes you begin to smell the perfume. this phenomenon is classic example of |
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Definition
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Term
| you are told that the cells on a microscope slide are plant, animal, or bacterial. you look at them through a microscope and see cell walls and membrane-bound organelles. you conclude that the cells |
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Definition
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Term
| what statement regards the golgi apparatus |
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Definition
| receives, modifies, and releases secretory vessicles |
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Term
| the function of chloroplasts is |
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Definition
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Term
| resolution is the ability for an optical instrument to |
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Definition
| show two objects as separate |
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Term
| phagocytosis is to eating as pinocytosis is to: |
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Definition
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Term
| a plant cell placed in hypertonic solution will: |
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Definition
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Term
| in classical endocrine signaling, hormones are transported to target cells: |
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Definition
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Term
| a scientist wants to magnify a pollen grain 8000 times and examines the ridges and pores on its surface. which of the following instruments would be best to use |
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Definition
| scanning electron microscope |
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Term
| what is a cell that lacks a membrane-bound nucleus |
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Definition
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Term
| facilitated diffusion across a biological membrane requires___and moves a substance___its concentration gradient |
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Definition
| transport proteins...down |
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Term
| the function of mitochondria is |
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Definition
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