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5 Written questions

5 Matching questions

  1. triplet
  2. Cell
  3. osmosis
  4. gene
  5. tight junction
  1. a A type of intercellular junction in animal cells that prevents the leakage of material between cells, Impermeable, bind cells together into leak-proof sheets
  2. b (biology) the basic structural and functional unit of all organisms
  3. c biological unit of hereditary information located in chromatin consisting of a specific nucleotide sequence in DNA (or RNA, in some viruses). that transmits hereditary information.
  4. d Diffusion of water through a selectively permeable membrane
  5. e a group of three bases on DNA that codes for one amino acid.

5 Multiple choice questions

  1. Energy-requiring process that moves material across a cell membrane against a concentration difference or gradient
  2. 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
  3. A the resting phase between two mitotic or meiotic divisions during which the cell grows, copies its DNA, and synthesizes proteins
  4. 1. All living things are made of cells
  5. single-stranded nucleic acid that contains the sugar ribose; acts in protein synthesis

5 True/False questions

  1. OrganelleA tiny cell structure that carries out a specific function within the cell

          

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

          

  3. anaphaseSecond Stage of Cell division: Centromeres of duplicated chromosomes are aligned at plate. chromosomes become attached to spindle fibers

          

  4. anticodonA 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

          

  5. membrane junctionCommunicating Junctions; channels that allow small molecules to flow through protein-lined pores between cells. common in the heart and embryonic cells.

          

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