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5 Written Questions

5 Matching Questions

  1. Sexual Reproduction
  2. Vaginal Canal
  3. Chromatin
  4. Binary Fission
  5. Anaphase II
  1. a - granular DNA during interphase
  2. b - site of sperm deposition during intercourse
    - passageway through which a baby is expelled during childbirth
  3. c - prokaryotes' way of of cell division
    - a type of asexual reproduction
    - splits into two equal halves, each daughter cell receives a complete copy of the original chromosome
  4. d - 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
  5. e - sister chromatids are pulled to opposite poles by the spindle fibers

5 Multiple Choice Questions

  1. - women ovulate about once every four weeks
    - menapause occurs between age 45 and 50
    - during menopause, ovaries become less sensitive to the hormones that stimulate follicle development (FSH and LH), and eventually they atrophy
    - remaining follicles disappear, estrogen and progesterone levels greatly decline and ovulation stops
  2. homologous chromosomes come together and intertwine
  3. where sperm acquire motility and stored here till ejaculation
  4. PMAT:
    a) Prophase
    b) Metaphase
    c) Anaphase
    d) Telophase
  5. - result when a single zygote splits into two embryos
    - if splitting occurs at the two-cell stage of development, embryos will have separate chorions and separate placentas
    - if it occurs at blastula stage, embryos only have one chorionic sac and share a placenta (and probably amnion)

5 True/False Questions

  1. Parthenogenesis- happens at the end of telophase
    - cytoplasm divides into two daughter cells
    - in animal cells, a cleavage furrow forms, cell membrane indents along the equator of the cell and cell split

          

  2. Cervix- lower, narrow end of the uterus
    - connects with the vaginal canal

          

  3. The Cell Cycle- inner layer of the oocyte cell membrane

          

  4. Meiosis II- doesn't occur until fertilization
    - triggered when zona pellucida and corona radiata are penetrated by a sperm cell
    - fertilization yields two haploid cells, a mature ovum and another polar body
    - the mature ovum is a large cell containing a lot of cytoplasm, RNA, organelles and nutrients needed by a developing embryo

          

  5. Gametes- female gonads
    - found in the abdominal cavity
    - produce eggs (ova)
    - secrete esterogen and progesterone
    - consist of thousands of follicles

          

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