B. gap C. plasm E. extracellular matrix 27) Which of the following cell componen
ID: 258068 • Letter: B
Question
B. gap C. plasm E. extracellular matrix 27) Which of the following cell components is not involved in the A. vesicles B. rough C. Golgi D. mito E. all of the above are directly involved in the endomembrane system 28) Which of the following maintains a low pH and breaks down cellular debris? A. nucle reticulum C. peroxi D. lysosomes E. vacuoles 29) The three categories of cytoskeletal elements are similar but different. Each of the has specialized functions. Which of the following is a correct match of element and function? A. microfilaments and the nuclear lamina B. microtubules and amoeboid movement C. microfilarments and formation of a flagella D. intermediate filaments and cytoplasmic streaming E. microtubules and chromosome movement during mitosis 30) Which of the following do plant cells contain that animal cells do not contain? A. vesicles B. cellulose C. mitochondria D. ribosomes E. lysosomes 31) Which structure synthesizes membranes and glycoproteins? A. rough ER B. nucleolus C. Golgi apparatus D. free cytoplasmic ribosomes E. lysosomesExplanation / Answer
Please find the answers below:
Answer 26: Choice C (The plasmodesmata form narrow junction between two cells. These junctions help in passage of cytolasm in the form of fine threads and allow the cells to communicate)
Answer 27: Choice D (Only golgi apparatus, endoplasmic reticulum and vesicular system are involved in the endomembranous system which is also abbreviated as GERL system)
Answer 28: Choice D (Lysosomes contain hydrolyzing enzymes which activate at acidic pH and help in removing debris from the cells)
Answer 29: Choice E (Microtubules are involved in chromosomal movement, microfilaments help in cytoplasmic streaming whereas intermediate filaments form the nuclear lamina)
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