Meiosis Prophase 1 : Synaptonemal Complex MCQ

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• The synaptonemal complex is a portentous complex, which of the protein is not present in it?
  ক

  Rec 11

  খ

  Cohesins

  গ

  Actin

  ঘ

  Zip 1
• The pairing of the chromosome is mediated by _______________ interactions.
  ক

  Hydrophilic

  খ

  Hydrophobic

  গ

  Covalent

  ঘ

  Electrostatic
• The zygosome has ________________ head and _________ tail connecting to the opposite zygosome.
  ক

  Straight, straight

  খ

  Folded, folded

  গ

  Folded, straight

  ঘ

  Straight, folded
• During pairing of the chromosomes which of the following is not true?
  ক

  There are 3 lateral filaments A, B, C

  খ

  The A point pairs with adjacent A of other chromatid

  গ

  The B point pairs with adjacent B of other chromatid

  ঘ

  The C point pairs with C
• Which of the following is incorrect about lateral filaments?
  ক

  The lateral filaments are composed of chromatids

  খ

  They can be spaced as much as 100-125 nm apart

  গ

  The lateral filaments have DNA elements along with RNA and Proteins

  ঘ

  The lateral filaments are connected by longitudinal connections
• The fibers of the lateral filament are called____________
  ক

  Synaptomes

  খ

  Synaptomere

  গ

  Synaptic clefts

  ঘ

  Synaptososome
• The synaptonemal complex has ____________ filaments.
  ক

  1

  খ

  2

  গ

  3

  ঘ

  4
• What is the size of each fiber of the synaptonemal complex?
  ক

  5 nm

  খ

  10 nm

  গ

  15 nm

  ঘ

  20 nm
• The uncoiling of chromosomal relics leads to pairing.
  ক

  True

  খ

  False
• Which of the following doesn’t lead to pairing in meiosis?
  ক

  0.3% DNA replication that was left after S phase

  খ

  Retardation factor

  গ

  Turbulence factor

  ঘ

  Precocity factor