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5 Written questions

5 Matching questions

  1. triplet
  2. deoxyribonucleic acid
  3. desmosome
  4. codon
  5. telophase
  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 group of three bases on DNA that codes for one amino acid.
  3. c 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
  4. d After the chromosome seperates, the cell seals off, Final Phase of Mitosis., A cleavage furrow forms during this phase, two nuclei are formed
  5. e nucleic acid found in all living cells: carries the organism's hereditary information.

5 Multiple choice questions

  1. Second Stage of Cell division: Centromeres of duplicated chromosomes are aligned at plate. chromosomes become attached to spindle fibers
  2. (biology) the basic structural and functional unit of all organisms
  3. Diffusion of water through a selectively permeable membrane
  4. 1. All living things are made of cells
  5. A process that separates materials through a membrane based on the size of their particles.

5 True/False questions

  1. genebiological unit of hereditary information located in chromatin consisting of a specific nucleotide sequence in DNA (or RNA, in some viruses). that transmits hereditary information.

          

  2. hypertonic solutionA solution in which the concentration of solutes is greater than that of the cell that resides in the solution.,causes a cell to shrink because of osmosis

          

  3. transcription(genetics) the organic process whereby the DNA sequence in a gene is copied into mRNA, DNA acts as a template for the synthesis of RNA

          

  4. active transportRequires 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. isotonic solutionA solution in which the concentration of solutes is less than that of the cell that resides in the solution, causes a cell to swell because of osmosis.

          

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