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5 Written Questions

5 Matching Questions

  1. Corona Radiata
  2. Binary Fission
  3. Anaphase II
  4. Female Reproductive Anatomy
  5. G₂ Stage (postsynthetic gap)
  1. a - once a month, an immature ovum is released from the ovary into the abdominal cavity and drawn into the nearby fallopian tube
    - inner surface of the fallopian tube is lined with cilia that move the ovum into and along the tube and toward the uterus
    - mammalian female's reproductive and excretory systems are distinct from one another (urethra and vagina aren't connected)
  2. b - a simple form of asexual reproduction in prokaryotes
    - circular chromosome replicates
    - a new plasma membrane and cell wall grow inward along the midline of the cell, dividing it into two
    - each daughter cell contains a duplicate of the parent chromosome
  3. c - outer layer of the oocyte cell membrane
  4. d - sister chromatids are pulled to opposite poles by the spindle fibers
  5. e - cell continues to grow in size
    - assembly of new organelles and other cell structures continues

5 Multiple Choice Questions

  1. - centrioles migrate to opposite poles
    - spindle apparatus forms
  2. - the regrowth of a lost or injured body part
    - replacement of cells occurs by mitosis
    - ex: hydra and starfish
    - in higher animals, regeneration is usually limited to the healing of tissues
    - some internal organs (liver) can regenerate considerably as long as part of the organ remains viable
  3. - results when two ova are released in one ovarian cycle
    - fertilized by two different sperm
    - two embryos implant in the uterine wall individually
    - each develops its own placenta, amnion and chorion
    - share characteristics in the level of siblings
  4. - spindle apparatus disappears
    - new nuclear membrane forms around each set of chromosomes
    - nucleoli reappears
    - chromosomes uncoil
    - cytokinesis occurs
  5. - homolgous pairs (tetrads) align at the equatorial plane
    - each pair attaches to a separate spindle fiber by its kinetochore

5 True/False Questions

  1. Telophase II- nuclear membrane forms around each new haploid nucleus
    - two daughter cells are formed after cytokinesis
    - by completion of meiosis II, four haploid daughter cells are produced per gametocyte


  2. Budding- replication of the nucleus followed by unequal cytokinesis
    - the cell membrane pinches inward to form a new cell that is smaller in size but genetically identical to the parent cell
    - can grow to an adult size
    - new cell may separate immediately from the parent or remain attached to it
    - occurs in hydra and yeast


  3. Reproduction- fusion of two gametes (specialized sex cells produced by each parent)
    - meiosis is the process where the sex cells are produced
    - mitosis preserves the diploid chromosome number while meiosis halves it
    - somatic cells undergo mitosis, gametocytes undergo meiosis
    - during fertilization, two haploid gametes fuse, restoring the diploid number


  4. Interphase- disjunction: homologous pairs separate and are pulled to opposite poles of the cell
    - distribution of homologous chromosomes to intermediate daughter cells are random


  5. Chiasmatawhere chromosomes are joined


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