4.05 Week 4 Quiz

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cc_profilecc.multiple_choice.v0p1The cell theory states that all organisms are made of cells; cells are the most basic unit of life; andall existing cells form by free-cell formation.all cells are eukaryotic.all existing cells are produced by other living cells.all cells have a nucleus.3100cc_profilecc.multiple_choice.v0p1What is the term for the jellylike substance that is contained inside the cell membrane?cytoplasmDNAorganellenucleus5100cc_profilecc.multiple_choice.v0p1Unlike a eukaryotic cell, a prokaryotic cell does not haveDNA.a cell membrane.cytoplasm.a nucleus.12100cc_profilecc.multiple_choice.v0p1Specialized structures that work together inside a cell are calledorganelles.prokaryotes.eukaryotes.nuclei.13100cc_profilecc.multiple_choice.v0p1Which of the following is a network of proteins that supports and gives shape to a cell?vesiclesvacuolecytoskeletoncytoplasm19100cc_profilecc.multiple_choice.v0p1What is the main function of the Golgi apparatus?communicate with other cellsconvert solar energy to chemical energyprocess and deliver proteinscopy genetic material23100cc_profilecc.multiple_choice.v0p1Which of the following organelles can be found in the cytoplasm and on the surface of the endoplasmic reticulum?mitochondriacentrosomesribosomescentrioles27100cc_profilecc.multiple_choice.v0p1Which organelle contains enzymes that break down damaged cell parts?centriolelysosomesvacuolemitochondria30100cc_profilecc.multiple_choice.v0p1What are the main differences between plant and animal cells?Animal cells are eukaryotes and plant cells are not.Plant cells are eukaryotes and animal cells are not.Animal cells have cell walls and chloroplasts; plant cells do not.Plant cells have cell walls and chloroplasts; animal cells do not.36100cc_profilecc.multiple_choice.v0p1Which model did scientists develop to describe the cell membrane?phospholipid modeldynamic modelfluid mosaic modeltransport model39100cc_profilecc.multiple_choice.v0p1Which word best describes the structure of the cell membrane?layeredrigidimpermeablenonpolar41100cc_profilecc.multiple_choice.v0p1What is a phospholipid composed of?a polar head and a nonpolar taila nonpolar head and a polar taila polar head and taila nonpolar head and tail45100cc_profilecc.essay.v0p1qmd_computerscoredNo<p>Imagine that a certain poison kills human cells by blocking pores in the nuclear membrane. Explain why it would or would not kill bacteria.</p>100cc_profilecc.essay.v0p1qmd_computerscoredNo<p>Describe how the endoplasmic reticulum, midochondrion, and Golgi apparatus are structurally similar.</p>100