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- Which organelle works to pack cellular secretions? a. endoplasmic reticulum b. Golgi apparatus c. ribosome d. vacuoleWhich cell modification allows vibratory motion and covers mostly the cell surface? a. cilia b. flagella c. microvilli d. pseudopodiaWhich of these cell junctions are open channels that connect the cytoplasm of adjoining plant cells? A. Adhering junctions B. Tight junctions C. Gap junctions D. Plasmodesmata
- Which of these elements of the cytoskeleton is composed of tubulinand forms essential components of centrioles, spindle fibers, cilia,and flagella?a. actin filaments b. intermediate filaments c. microtubulesWhat controls the direction of movement of ions across the membrane? A. Peripheral proteins B. Channel proteins C. Plasmodesmata D. Carrier proteinsFrom the image, what is the normal function of the missing structure? A. A lipid bilayer controlling the movement of substances into and out of the cell B. A motor protein that "crawls" along microtubules to contract and release them, which provides movement C. A cytoskeleton element composed of tubulin subunits to provide structure for movement of the cell
- Which organelle is also called as'powerhouse of the cell'?A. Plastids B. MitochondriaC. Golgi bodies D. Cell wallWhen cellular transport through the plasma membrane must be provided with energy in form of ATP to power the transport process, what is this called? A. Selective permeability B. Passive transport C. Active transport D. DiffusionWhich pair of organelles works together to give structure and support in animal cells? A. Cytoskeleton and golgi complex B. Endoplasmic reticulum and cell membrane C. Cell wall and cytoplasm D. Cell membrane and cytoskeleton
- In which part of a cell does the process of making ATP from oxygen and glucose take place? A. lysosomes B. ribosomes C. mitochondria D. golgi apparatusWhich structure will determine that a cell is prokaryotic? a. cell membrane b. cytoplasm c. nuclear membrane d. nucleusIn which part of a cell does the process of making ATP from oxygen and glu- cose take place? A. lysosomes B. ribosomes C. mitochondria D. golgi apparatus