Гистология цитология


-52. At what stage of the cell cycle is the DNA content of the chromosome duplicated, and do centrioles divide



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2-52. At what stage of the cell cycle is the DNA content of the chromosome duplicated, and do centrioles divide:
d. synthetic++
2-53. What stage of the cell cycle is characterized by active RNA synthesis, tubulin synthesis, adenosine tiposphate synthesis, and maturation of the daughter centrioles:
e. premitotic++
2-54. The most of somatic cells of the organism are at the stage:
a. G0++
2-55. Apoptosis is:
a. programmed cell death++
2-56. At which stage of mitosis do the chromosomes move until they have separated into two groups near the poles of the сell:
d. anaphase++
2-57. At which stage of mitosis the two centrioles separate and move to the opposite poles of the cell:
b. prophase++
2-58. Which is the final phase of mitosis:
c. telophase++
2-59. At which stage of mitosis do chromosomes line up across the centre, or equator, of the cell:
b. metaphase++
2-60. Which stage of mitosis is followed by cytokinesis:
e. telophase++
2-61. At which stage of mitosis do sister chromatids separate:
c. anaphase++
2-62. As a result of mitotic division, the two somatic cells were formed. What chromosome number do they contain:
c. diploid++


3. EMBRYOLOGY
3-1. Spherical sex cell one hundred and thirty micrometers in diameter, covered by pellucid zone and radiate crown; it contains haploid number of chromosomes:
d. mature ovum++
3-2. Human oocyte in accordance with the arrangement of its cytoplasmic yolk inclusions is:
d. isolecithal+
3-3. The cytoplasm of the oocyte does not contain:
e. cell centre++
3-4. Cortical granules of the oocyte:
d. take part in the formation of fertilization membrane++
3-5. Common feature of spermatozoon and oocyte is:
e. haploid chromosome number++


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