Contents in week 3
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| Which letter indicates the Golgi Aparatus? | The letter is D,
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| Ribosomes are organelles that | Float in the cytoplasm and attach to the endoplasmic reticulum.
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| Cisternae of this organelle are continuous with the nuclear envelope. | Rough ER
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| Of the following, the only organelle that has a double membrane structure is the | Mitochondrion
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| A major function of the cell membrane is to | Control what enters and leaves the cell.
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| Which of the following is not a cytoskeleton element? | Centriole
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| This membranous organelle is the site of protein synthesis for proteins that are secreted by the cell. | Rough ER
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| Which area of the cytoplasm near the nucleus coordinates the building and breaking of microtubules in the cell? | Centrosome
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| This organelle primarily modifies products from the rough ER, and it resembles a stack of hollow saucers, one cupped inside the next. | Golgi Apparatus
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| This organelle has both a cis and a trans face. | Golgi Apparatus
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| Which letter indicates the Rough ER? | The letter is C.
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| Which of the following statements about integral proteins in the plasma membrane is false? | They are more abundant by volume than the membrane phospholipids.
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| The outer boundary of a human cell is called the | Plasma Membrane
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| Which type of junction is formed when membrane channels of adjacent plasma membranes adhere to each other? | Gap Junction
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| Which letter indicates the nucleolus? | The letter is A.
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| The inside of the cell is composed largely of a gel-like substance called | Cytoplasm
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| Ribosomes may be either free within the cytoplasm or bound to a membrane system known as the | Rough ER
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| The plasma membrane is composed of all of the following except | Tubulin Protein
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| This membranous organelle contains oxidase and catalase enzymes. | Peroxisomes
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| This organelle is characterized by folded membranes called cristae. | Mitochondria.
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| Which letter indicates the plasma membrane? | The letter is B.
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| Phospholipids of the plasma membrane are arranged | As a bilayer with their nonpolar tails sandwiched between the polar heads.
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| In the matrix of the plasma membrane, a variety of proteins are embedded. Some of these proteins serve as passageway for Na+ ions or glucose. These proteins are called | Transport proteins
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| Which letter indicates the Mitochondria? | The letter is E.
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| This organelle is primarily a sac of powerful digestive enzymes called acid hydrolases. | Lysosome
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| Which of the following is a type of cell extension that lines the intestines and other areas of the body? | Microvilli
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| This organelle is numerous in liver and kidney cells. | Peroxisome
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| A spherical membrane-bound structure that contains the genetic material of the cell and is often referred to as the “command center” of the cell is the | Nucleus
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| Which of the following cytoskeleton elements are the largest in diameter? | Microtubules
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| Often referred to as the “power plant” of the cell, which organelle is the site of ATP production? | Mitochondrion
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