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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?

Inner cell mass Signup and view all the answers

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

Specialization Signup and view all the answers

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

Embryonic stem cells Signup and view all the answers

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

Muscle cells are specialized for converting chemical energy into forceful contractions. Signup and view all the answers

How do changes in microenvironments affect cells?

Cells may exhibit different features and activities based on their surroundings. 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?

They have diverse arrays of receptors for various signaling molecules. Signup and view all the answers

What is the significance of specialized cells in the body?

Specialized cells greatly expand their capacity for cellular functions during differentiation. Signup and view all the answers

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

They exhibit different responses due to their diverse arrays of receptors. Signup and view all the answers

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

Changes in microenvironments under normal and pathologic conditions. Signup and view all the answers