Cell Signaling Systems MCQ

Test your knowledge with important Cell Signaling Systems MCQ and their applications. These MCQs are beneficial for competitive exams too. Explore 30 + more Cell Signaling Systems MCQs at Bissoy

• G-protein coupled receptors contain ________ transmembrane alpha helices.
  ক

  2

  খ

  5

  গ

  7

  ঘ

  9
• Which messenger molecules are derived from arachidonic acid?
  ক

  eicosanoids

  খ

  terpenoids

  গ

  corticoids

  ঘ

  steroids
• Steroids are derived from ________________
  ক

  estrogen

  খ

  cholesterol

  গ

  proteins

  ঘ

  carbohydrates
• The a, b, and c respectively in the following image are _________________________
  ক

  autocrine, paracrine, endocrine

  খ

  autocrine, endocrine, paracrine

  গ

  endocrine, paracrine, autocrine

  ঘ

  endocrine, autocrine, paracrine
• The process by which extracellular messages translate into intracellular changes is termed _________________
  ক

  cell signaling

  খ

  cell adhesion

  গ

  signal transduction

  ঘ

  cell transformation
• To which of the following residues of the protein, the protein kinases do not add phosphate groups?
  ক

  serine

  খ

  cytosine

  গ

  threonine

  ঘ

  tyrosine
• Protein kinases and phosphatases act by altering ______________ of the signaling proteins.
  ক

  basicity

  খ

  conformation

  গ

  acidity

  ঘ

  size
• The primary messenger molecules bind to the transmembrane receptors.
  ক

  True

  খ

  False
• Endocrine messengers are also called ___________________
  ক

  hormones

  খ

  receptors

  গ

  antibody

  ঘ

  antigen
• Paracrine messenger molecules are usually ________________
  ক

  large

  খ

  stable

  গ

  unstable

  ঘ

  amphoteric
• Cell signaling is a process by which cells communicate.
  ক

  True

  খ

  False
• In which type of signaling, the cell that expresses messenger molecules also produces receptors?
  ক

  autocrine

  খ

  heterocrine

  গ

  paracrine

  ঘ

  endocrine
• How many types of cell signaling are there?
  ক

  1

  খ

  2

  গ

  3

  ঘ

  4