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Cell Transport Mechanisms

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Questions and Answers

What is the main function of the cytoskeleton in plant cells?

Protein synthesis
Cell division and movement (correct)
Cell signaling
Photosynthesis

What is the primary function of the lysosome?

Cell division
Protein synthesis
Cell signaling
Detoxification and breakdown of fatty acids (correct)

What is the site of protein synthesis and modification?

Lysosome
Mitochondria
Golgi apparatus
Endoplasmic reticulum (correct)

What is the primary function of peroxisomes?

Detoxification and breakdown of fatty acids (D) Signup and view all the answers

What is the function of the chloroplast?

Photosynthesis (A) Signup and view all the answers

What is the function of the Golgi apparatus?

Sorting and processing of secreted and lysosomal proteins (B) Signup and view all the answers

What is the primary source of energy for secondary active transport?

Ion gradients generated by primary active transport (A) Signup and view all the answers

What type of cotransporter moves substances in the same direction across the plasma membrane?

Symporter (A) Signup and view all the answers

Where does the synthesis of lipids occur in the cell?

Endoplasmic reticulum (B) Signup and view all the answers

What is the function of the nuclear envelope pores?

To regulate the movement of molecules in and out of the nucleus (D) Signup and view all the answers

What is the site of protein synthesis in the cell?

Ribosome (A) Signup and view all the answers

What is the function of the Golgi apparatus in protein synthesis?

To modify and package proteins (A) Signup and view all the answers

What is the primary function of ion channels in facilitated diffusion?

To facilitate the movement of specific ions into or out of the cells (B) Signup and view all the answers

What is required for the transport of glucose by a specific transporter?

The binding of the transporter to glucose with a certain affinity (A) Signup and view all the answers

What is the characteristic of primary active transport proteins?

They require the hydrolysis of ATP (A) Signup and view all the answers

What is the role of Aquaporins in cellular transport?

To facilitate the transport of water into and out of cells (C) Signup and view all the answers

What is the characteristic of transport proteins that function in secondary active transport?

They do not possess ATPase activity (C) Signup and view all the answers

What is the function of P-class ATPases in primary active transport?

To move ions against their concentrations (B) Signup and view all the answers