Cell Structure and Function

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Questions and Answers

Which organelle is known as the 'power plant' of a cell?

  • Cytoplasm
  • Ribosomes
  • Endoplasmic Reticulum
  • Mitochondria (correct)

What is the main function of the plasma membrane in a cell?

  • Acting as a receptor for hormones and neurotransmitters (correct)
  • Synthesizing ATP for the cell
  • Producing proteins for cellular functions
  • Maintaining the resting potential of excitable cells

What is the function of rough endoplasmic reticulum in a cell?

  • Lipid synthesis
  • Drug detoxification
  • Protein synthesis (correct)
  • Energy production

Which type of ribosomes float freely in the cytoplasm of a cell?

<p>Free ribosomes (B)</p> Signup and view all the answers

What is the main function of smooth endoplasmic reticulum in a cell?

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

What role do externally facing proteins on the cell membrane play?

<p>Interacting as receptors and transport proteins (C)</p> Signup and view all the answers

What is the function of the cytoskeleton in a cell?

<p>Supporting cellular structures and providing machinery for cell movement (B)</p> Signup and view all the answers

Which organelle is known as the control center of the cell?

<p>Cell Nucleus (A)</p> Signup and view all the answers

During which phase of the cell cycle does the cell grow and carry on its usual activities?

<p>Interphase (C)</p> Signup and view all the answers

What is the standard body position used as an initial reference point for describing body parts?

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

Which term is used to designate specific body areas in anatomical studies?

<p>Regional terms (A)</p> Signup and view all the answers

In anatomical studies, the body is often cut along a flat surface called a plane; what does this process produce?

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

Which of the following organelles is responsible for modifying and packaging proteins and lipids for export from the cell?

<p>Golgi apparatus (C)</p> Signup and view all the answers

What is the primary function of peroxisomes?

<p>Detoxification of harmful substances (A)</p> Signup and view all the answers

Which organelle is responsible for intracellular digestion?

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

Which of the following statements is true about the regulation of protein synthesis?

<p>Protein synthesis is regulated at multiple levels, including transcription and translation (A)</p> Signup and view all the answers

Which organelle is not mentioned in the given text?

<p>Mitochondria (A)</p> Signup and view all the answers

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