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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?

Phagocytosis Signup and view all the answers

What energy source is used to power solute pumps?

ATP Signup and view all the answers

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

Exocytosis Signup and view all the answers

What is the primary characteristic of passive transport?

It involves the movement of molecules down a concentration gradient Signup and view all the answers

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

To control the movement of molecules into and out of the cell Signup and view all the answers

What is the direction of movement in diffusion?

From high concentration to low concentration Signup and view all the answers

What is the primary difference between active and passive transport?

The requirement of metabolic energy from the cell Signup and view all the answers

What is the purpose of membrane transport in the cell?

To control the movement of molecules into and out of the cell Signup and view all the answers

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

Membrane transport Signup and view all the answers

Where do ribosomes synthesize proteins?

In the cytoplasm and attached to rough endoplasmic reticulum Signup and view all the answers

What is the function of the rough endoplasmic reticulum?

Site where building materials of cellular membrane are formed Signup and view all the answers

What is the function of the golgi apparatus?

Modifying and packaging proteins Signup and view all the answers

What is the function of lysosomes?

Digesting nonusable materials within the cell Signup and view all the answers

What is the function of peroxisomes?

Detoxifying harmful substances and breaking down free radicals Signup and view all the answers

How do peroxisomes replicate?

By pinching in half Signup and view all the answers