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5 Written questions

5 Matching questions

  1. filtration
  2. desmosome
  3. interphase
  4. codon
  5. osmosis
  1. a A sequence of three nucleotide bases on mRNA that refers to a specific amino acid. (if DNA triplets are AAT-CGT-TCG then related _____ on mRNA would be UUA-GCA-AGC
  2. b A the resting phase between two mitotic or meiotic divisions during which the cell grows, copies its DNA, and synthesizes proteins
  3. c A process that separates materials through a membrane based on the size of their particles.
  4. d Diffusion of water through a selectively permeable membrane
  5. e Anchoring junctions that prevents cells subjected to mechanical stress from being pulled apart; two adjacent cells are attached. formed from protein plaques in the the cell membranes linked by protein filaments

5 Multiple choice questions

  1. (biology) the basic structural and functional unit of all organisms
  2. Energy-requiring process that moves material across a cell membrane against a concentration difference or gradient
  3. Communicating Junctions; channels that allow small molecules to flow through protein-lined pores between cells. common in the heart and embryonic cells.
  4. Requires NO energy, Movement of molecules from high to low concentration, Moves with the concentration gradient.example is ATP. and diffusion is driven by kinetic energy
  5. A type of intercellular junction in animal cells that prevents the leakage of material between cells, Impermeable, bind cells together into leak-proof sheets

5 True/False questions

  1. transcriptionthe process whereby genetic information coded in messenger RNA and used to assemble proteins.

          

  2. ribonucleic acid(RNA)single-stranded nucleic acid that contains the sugar ribose; acts in protein synthesis

          

  3. cytokinesisDivision of the cytoplasm during cell division after the cell nucleus has divided.

          

  4. mitosisCell's division (PMAT) of the nucleus. Final product is 2 daughter cells that are exactly like the parent cell., asexual reproduction and contains same number of chromosomes.

          

  5. chromosomeAnchoring junctions that prevents cells subjected to mechanical stress from being pulled apart; two adjacent cells are attached. formed from protein plaques in the the cell membranes linked by protein filaments