31) The endoplasmic reticulum is responsible for A) drug and toxin neutralization. B) lipid synthesis. C) modification of new proteins. D) shipping molecules to the Golgi apparatus. E) All of the answers are correct. 32) Match the organelle (1-4) with the correct description (5-8): 1. mitochondrion5. intracellular transport 2. centriole6. liquid in cell 3. endoplasmic reticulum7. manufactures cell energy 4. cytosol8. separates chromosomes during mitosis A) 1 & 7, 2 & 6, 3 & 8, 4 & 5 B) 1 & 8, 2 & 5, 3 & 6, 4 & 7 C) 1 & 7, 2 & 8, 3 & 5, 4 & 6 D) 1 & 5, 2 & 6, 3 & 7, 4 & 8 E) 1 & 6, 2 & 8, 3 & 5, 4 & 7 33) Tubulin is to microtubules as actin is to A) ribosomes. B) microfilaments. C) intermediate filaments. D) flagella. E) microvilli. 34) Molecular motors that carry materials in opposite directions along microtubules are called A) kinesin and myosin. B) actin and myosin. C) dynein and myosin. D) dynein and actin. E) dynein and kinesin. 35) Peroxisomes A) contain enzymes that break down hydrogen peroxide. B) absorb and break down fatty acids, generating hydrogen peroxide in the process. C) are produced from other peroxisomes. D) are more abundant in cells with higher metabolic rates. E) All of the answers are correct. 36) Which of the following statements about the Golgi apparatus is false? A) receives transport vesicles from the RER B) sends transport vesicles to the RER C) produces lysosomes D) supplies new membrane components E) produces secretory vesicles 37) Which of following properties of the cytoskeleton is false? A) supports organelles B) controls cell shape C) provides cell strength D) made of cytobones E) moves organelles 38) Which organelle is most prominent in cells that make large amounts of protein? A) nucleus B) nucleolus C) chromosome D) proteasome E) mitochondria 39) If an animal cell lacked centrioles, it would not be able to A) move. B) synthesize proteins. C) produce DNA. D) metabolize sugars. E) form the mitotic spindle. 40) Each of the following statements concerning mitochondria is true, except one. Identify the exception. A) The cristae increase the inner surface area of the organelle. B) The matrix contains metabolic enzymes involved in energy production. C) Respiratory enzymes are attached to the surface of the cristae. D) The mitochondria require carbon dioxide and produce oxygen in the process of energy production. E) The mitochondria produce most of a cell’s ATP.