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- Transferrin is transmembrane glycoprotein, which mediates the transport of iron. Which of the following shows the correct route for the production of this membranous protein? O a. Smooth ER, Golgi apparatus, transport vesicles, Lysosome O b. Rough ER, Golgi apparatus, vacuoles, plasma membrane O c. Smooth ER, Golgi apparatus, vacuoles, plasma membrane O d. Smooth ER, Golgi apparatus, transport vesicles, plasma membrane O e. Rough ER, Golgi apparatus, transport vesicles, plasma membraneFtsZ proteins direct the formation of a ________ that will eventually form the new cell walls of the daughter cells. a. contractile ring b. cell plate c. cytoskeleton d. septumA patient has ingested a chemical known to prevent alpha-tubulin from hydrolyzing GTP to GDP. Which of the following is the BEST conclusion? O The patient's dyneins and kinesins will not be able to hydrolyze nucleotides. O The patient's microtubules will only be able to grow. O The patient's microtubules should still be able to grow and shrink depending on the needs of the cell. O The patient's microtubules will only be able to shrink.
- The effect of MAP2 on microtubules is similar to the effect of CapZ on microfilaments how? both stabilize the positive end of the filament both bundle the filaments in parallel bundles both increase the instability of the negative end of the filament both nucleate the formation of the filamentsCell surface proteins can carry out several functions except Select one: O a. lateral condensation O b. attachment to the cytoskeleton O c. transport O d. cell-cell recognitionActin is found in Microtubules are found in Select one: a. microvilli and flagella, lamellipodium and cilia Ob. flagella and lamellipodium, flagella and desmosomes c. mitotic spindles and microvilli, flagella and cilia d. microvilli and lamellipodium, flagella and cilia e. flagella and cilia, microvilli and lamellípodium ycle HW due Jump to. O Next page cancer stem cells
- What is necessary to make a cleavage furrow during cytokinesis? A. Kinesin "walking" along microtubules B. Myosin filaments shortening C. Actin and myosin-mediated contraction D. All of the above E. None of the aboveA cellular process is shown in stages from left to right in the image. Which of the following is the depicted process, with the correct description of its function? Outiside of cell Plasma Membrane -00 0--00 8-88-8 8-88-8 A. Endocytosis; initiation of signal transduction B. Endocytosis; uptake of nutrients C. Exocytosis; breakdown of wastes D. Exocytosis; secretion of proteinsОА OB OC OD OE 8 Membrane The diagram shows microtubules in a structure that is cut in cross section. It is one of the following. Which one? A. Normal mammalian centriole B. Normal plant centriole. C. Normal motile mammalian cilium D. Normal primary cilium E. Cilium lacking ciliary dynein
- 2) Explain how the following cell transport systems work moving materials around inside the cell and other functions. Focus on structure and function, and Include how energy is used to accomplish these movements. A)Tubulin/Kinesin B)Actin/MyosinMatch each of the following to its role in the cell. Microtubules Actin Tubulin Intermediate filaments Kinesin Dynein Myosin Centrosome A. Cytoskeletal fiber that is intermediate in diameter and very sturdy. Does not form from polymerization of protein monomers like the other ones we discussed in class, but consists of polypeptide strands. Keratin and Lamin A are examples. B. The structure that initiates polymerization of new microtubules and anchors microtubules in the center of the cell near the Golgi Complex. C. Motor protein whose activity results in contraction of muscle. D. Thinnest cytoskeletal filament. Responsible for initiation of amoeboid cell movement via pseudopod formation. E. The "monomer" unit of the thickest cytoskeletal polymer; a dimer of two polypeptide subunits. F. Cytoskeletal structure with the…Lysosomes are involved in the following: a. Na-K-ATPase Protein Pump O b. Phagocytosis O c. Pinocytosis d. Exocytosis Oe. All of the Above
