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5 Written questions

5 Matching questions

  1. anaphase
  2. Cell Theory
  3. tight junction
  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 1. All living things are made of cells
  3. c A type of intercellular junction in animal cells that prevents the leakage of material between cells, Impermeable, bind cells together into leak-proof sheets
  4. d 3rd phase; the chromatids of each chromosome separate at the centromere and move in opposite poles of the spindle.
  5. e After the chromosome seperates, the cell seals off, Final Phase of Mitosis., A cleavage furrow forms during this phase, two nuclei are formed

5 Multiple choice questions

  1. A threadlike, gene-carrying structure found in the nucleus. consists of one very long DNA molecule and associated proteins.
  2. Process by which a cell divides into two new daughter cells
  3. (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. Cells are tightly bound, prevent fluids and most molecules from moving between cells. Useful in places such as the stomach and kidneys. types are desmosomes, tight junctions, and gap junctions
  5. 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 True/False questions

  1. 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

          

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

          

  3. osmosisCell'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.

          

  4. metaphaseAfter the chromosome seperates, the cell seals off, Final Phase of Mitosis., A cleavage furrow forms during this phase, two nuclei are formed

          

  5. anticodonA sequence of three bases of a tRNA molecule that pairs with the complementary three-nucleotide codon of an mRNA molecule during protein synthesis.