Podcast
Questions and Answers
What is the main function of integral proteins in the plasma membrane?
What is the main function of integral proteins in the plasma membrane?
- Support and anchor peripheral proteins
- Catalyze specific chemical reactions
- Anchor proteins in neighboring cells
- Recognize and bind specific molecules (correct)
Which of the following is a function of peripheral proteins in the plasma membrane?
Which of the following is a function of peripheral proteins in the plasma membrane?
- Catalyze specific chemical reactions
- Anchor integral proteins within the cell (correct)
- Serve as cellular recognition sites
- Support the lipid bilayer structure
In what way do membrane glycoproteins and glycolipids contribute to cell identity?
In what way do membrane glycoproteins and glycolipids contribute to cell identity?
- Catalyze specific chemical reactions
- Anchor proteins in neighboring cells
- Enable cells to recognize and respond to foreign cells (correct)
- Support the lipid bilayer structure
What is the fluid portion of cytoplasm called that contains water, dissolved solutes, and suspended particles?
What is the fluid portion of cytoplasm called that contains water, dissolved solutes, and suspended particles?
Which statement about ABO blood type markers is true?
Which statement about ABO blood type markers is true?
What role do integral proteins play as linkers in the plasma membrane?
What role do integral proteins play as linkers in the plasma membrane?
Which type of membrane protein spans the entire lipid bilayer and protrudes into both the cytosol and extracellular fluid?
Which type of membrane protein spans the entire lipid bilayer and protrudes into both the cytosol and extracellular fluid?
What is the main difference between integral and peripheral membrane proteins?
What is the main difference between integral and peripheral membrane proteins?
What function do some integral proteins serve by forming ion channels, pores, or holes in the membrane?
What function do some integral proteins serve by forming ion channels, pores, or holes in the membrane?
What is a common feature of carriers among integral membrane proteins?
What is a common feature of carriers among integral membrane proteins?
What percentage of membrane lipids consist of cholesterol?
What percentage of membrane lipids consist of cholesterol?
What is the main function of smooth ER in cells?
What is the main function of smooth ER in cells?
How does rough ER differ from smooth ER in terms of protein synthesis?
How does rough ER differ from smooth ER in terms of protein synthesis?
Which organelle is responsible for transporting proteins synthesized by rough ER to different parts of the cell?
Which organelle is responsible for transporting proteins synthesized by rough ER to different parts of the cell?
What is the primary role of phospholipids in cell membranes?
What is the primary role of phospholipids in cell membranes?
How do glycoproteins contribute to cell function?
How do glycoproteins contribute to cell function?
What distinguishes integral proteins from peripheral proteins in the cell membrane?
What distinguishes integral proteins from peripheral proteins in the cell membrane?
