Plant and animal cells are similar in many ways, but there are some ways they are different. What are ways that plant and different? a a. Plant cells have chloroplast by b. Animal cells have a vacuole and plant cells do not. C. Animal Cells have a cell wall. d. Plant cells do not have lysosomes
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- Diseased animal cells may produce molecules thatactivate death cascades to kill the cells in a controlledmanner. Why would neighboring healthy cells also die?a. The death molecule is passed throughdesmosomes.b. The death molecule is passed throughplasmodesmata.c. The death molecule disrupts the extracellularmatrix.d. The death molecule passes through gap junctions.Which statement below is corredt when comparing plant and animal cells? O Plant cells only have a cell wall, and animal cells only have a plasma membrane. Plant cells only have a plasma membrane, and animal cells only have a cell wall. Both plant and animal cells have a plasma membrane, and plant cells also have a cell wall. O Both plant and animal cells have a plasma membrane and a cell wall. O Both plant and animal cells have a cell wall, but only animal cells have a plasma membrane. 1 ntcWhich of the following correctly compares how plant and animal cells differ?a. Plant cells have chloroplasts and mitochondria for energy, but animal cells do not have mitochondria.b. Plant cells have a cell membrane and cells walls for suppo, but animal cells do not have cell walls.c. Plant cells have ribosomes for synthesis, while animal cells have the Golgi apparatus.d. Plant cells have many small vacuoles for storage, while animal cells have one large central vacuole.
- What controls the passage of molecules into and out ofthe nucleus?a. endoplasmic reticulum, an extension of the nucleusb. nuclear pores, which consist of membrane proteinsc. nucleoli, in which ribosome subunits are maded. dynamically assembled microtubulese. tight junctionsWhich of the following statements about plasmodesmata is true? a. They prevent cytoplasm from passing between cells. b. They are important in the formation of tight junctions. c. They may float freely in the cytoplasm or be membrane-bound. d. They allow adjacent plant cells to communicate with each other.Three differences between animal and plant cells are Select one: a. Plant cells have mitochondria, large central vacuole, cell wall b. Plant cells have chloroplasts, large central vacuole, cell membrane c. Plant cells have chloroplasts, large central vacuole, cell wall d. Plant cells have chloroplasts, many small vacuoles, cell wall
- Cell junctions called connect the cytoplasm of adjacent plant cells. a. plasmodesmata d. adhesion proteins b. adhering junctions e. chloroplasts c. tight junctions f. gap junctionsYou transfer the nucleus of an epithelial cell taken from the mouth of a frog to an egg, and it produces a few cell types. You can say that the epithelial cell was O A. multipotent OB. pluripotent totipotent D. Not enough information is given.Every cell is descended from another cell. This idea is part of ______. a. evolution c. the cell theory b. the theory of hereditary d. cell biology
- For each item choose the letter of the best answer. No need to write the explanations. 37. How does a cell identify incoming or outgoing substances? A. Uses cell metabolic processes B. Uses cell transport system C. Uses cell recognition proteins D. Uses polarity of membrane to attract substances 41. Osmosis is considered a form of diffusion. Why? A. It depends on a concentration gradient. B. it requires a semipermeable membrane. C. It depends on a water potential gradient. D. It moves from a high to low area of concentration. 42. Which is NOT true about the factors that can affect the rate of diffusion? A. application of pressure increases the rate of diffusion B. higher temperature results in a faster rate of diffusion C. the solubility of the solute does not affect the rate of diffusion D. the higher the density of the solvent, the slower the rate of diffusion 45. Which of the following is NOT true about facilitated diffusion? A. requires energy B. requires a carrier protein C.…Cilia and fl agella are involved ina. forming junctions between cells.b. establishing the extracellular matrix.c. cell-to-cell communication.d. cell movement.A type of cell connection whose only function is to prevent the cellsfrom coming apart is aa. desmosome. b. gap junction. c. tight junction.