practicetest1

practicetest1 - PRACTICE TEST 1 which organelle is the site...

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Unformatted text preview: PRACTICE TEST 1. which organelle is the site of most of the cell’s protein synthesis? a. RER b. SER c. Mitochondria d. Nucleus e. Cytoplasmic ribosomes 2. In which organelle are steroid hormones synthesized? a. RER b. SER c. mitochondrion d. nucleus e. ribosome 3. How many membranes surround a chloroplast from a plant cell? a. 1 b. 2 c. 3 d. 4 4. Which type of cytoskeletal protein is responsible for the movement of chromosomes during cell division? a. intermediate filaments b. microfilaments c. microtubules 5. Proteins destined to be exported from the cell, incorporated into membranes, or moved into organelles of the endomembrane system complete their translation in which location: a. free ribosomes in the cytosol b. the golgi apparatus c. RER d. plasma membrane 6. Which part of the Golgi apparatus receives vesicles from the endoplasmic reticulum: a. cis b. trans c. medial 7. Which part of the Golgi apparatus directs proteins in transport vesicles to their final destination? a. cis b. trans c. medial 8. Which of the following statements regarding protobionts is false? A. Protobionts can maintain an internal environment that differs from the external...
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practicetest1 - PRACTICE TEST 1 which organelle is the site...

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