Animal Cell Structure and Function
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Questions and Answers

What is the main difference between animal cells and prokaryotic cells?

  • Animal cells lack a cytoskeleton, while prokaryotic cells have a well-defined cytoskeleton.
  • Animal cells are enclosed by a cell wall, while prokaryotic cells lack cell walls.
  • Animal cells have a distinct nucleus, while prokaryotic cells lack nuclei. (correct)
  • Animal cells have nonmembranous molecular assemblies, while prokaryotic cells lack such structures.

What is the function of the cytoplasm in animal cells?

  • To synthesize proteins within the cell
  • To house the genetic material of the cell
  • To provide structural support to the cell
  • To contain a system of membranous organelles (correct)

Why do prokaryotic cells differ in structure from animal cells?

  • The absence of nonmembranous molecular assemblies in prokaryotic cells
  • Prokaryotic cells have a more complex cytoskeleton compared to animal cells
  • Due to the presence of a cell wall in prokaryotic cells
  • Because prokaryotic cells lack nuclei and membranous cytoplasmic structures (correct)

From which cells do blastomeres originate in early embryonic development?

<p>Inner cell mass (C)</p> Signup and view all the answers

What is the main process that fetal cells undergo to develop specialized functions and shapes?

<p>Specialization (D)</p> Signup and view all the answers

Which type of cells can be obtained from the inner cell mass when cultured in vitro?

<p>Embryonic stem cells (B)</p> Signup and view all the answers

What is one major difference between muscle cells and other animal cells?

<p>Muscle cells are specialized for converting chemical energy into forceful contractions. (B)</p> Signup and view all the answers

How do changes in microenvironments affect cells?

<p>Cells may exhibit different features and activities based on their surroundings. (C)</p> Signup and view all the answers

Why do breast fibroblasts and uterine smooth muscle cells react differently to female sex hormones compared to other cells?

<p>They have diverse arrays of receptors for various signaling molecules. (D)</p> Signup and view all the answers

What is the significance of specialized cells in the body?

<p>Specialized cells greatly expand their capacity for cellular functions during differentiation. (D)</p> Signup and view all the answers

How do structurally similar cells with different families of receptors behave?

<p>They exhibit different responses due to their diverse arrays of receptors. (D)</p> Signup and view all the answers

What can cause the same cell type to have variable features and activities?

<p>Changes in microenvironments under normal and pathologic conditions. (B)</p> Signup and view all the answers

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