Biology: Active Transport Processes

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Questions and Answers

What is the primary function of solute pumps in active transport?

  • To regulate cell division
  • To move substances with the concentration gradient
  • To store energy in the form of ATP
  • To move substances against the concentration gradient (correct)

What type of transport involves the movement of materials out of the cell?

  • Endocytosis
  • Pinocytosis
  • Phagocytosis
  • Exocytosis (correct)

What is the term for the process by which a cell engulfs extracellular substances?

  • Phagocytosis
  • Exocytosis
  • Pinocytosis
  • Endocytosis (correct)

What type of endocytosis involves the engulfment of large particles?

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

What energy source is used to power solute pumps?

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

What is the term for the process by which a cell releases material to the outside?

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

What is the primary characteristic of passive transport?

<p>It involves the movement of molecules down a concentration gradient (B)</p> Signup and view all the answers

What is the main function of selective permeability in the plasma membrane?

<p>To control the movement of molecules into and out of the cell (B)</p> Signup and view all the answers

What is the direction of movement in diffusion?

<p>From high concentration to low concentration (A)</p> Signup and view all the answers

What is the primary difference between active and passive transport?

<p>The requirement of metabolic energy from the cell (A)</p> Signup and view all the answers

What is the purpose of membrane transport in the cell?

<p>To control the movement of molecules into and out of the cell (A)</p> Signup and view all the answers

What is the term for the movement of molecules into and out of the cell?

<p>Membrane transport (B)</p> Signup and view all the answers

Where do ribosomes synthesize proteins?

<p>In the cytoplasm and attached to rough endoplasmic reticulum (B)</p> Signup and view all the answers

What is the function of the rough endoplasmic reticulum?

<p>Site where building materials of cellular membrane are formed (A)</p> Signup and view all the answers

What is the function of the golgi apparatus?

<p>Modifying and packaging proteins (D)</p> Signup and view all the answers

What is the function of lysosomes?

<p>Digesting nonusable materials within the cell (B)</p> Signup and view all the answers

What is the function of peroxisomes?

<p>Detoxifying harmful substances and breaking down free radicals (D)</p> Signup and view all the answers

How do peroxisomes replicate?

<p>By pinching in half (A)</p> Signup and view all the answers

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