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Questions and Answers
Which of the following is NOT a lipid component of the cell membrane?
Which of the following is NOT a lipid component of the cell membrane?
- Cholesterol
- Phospholipids
- Proteins (correct)
- Sphingolipids
Which of the following is NOT a function of the plasma membrane?
Which of the following is NOT a function of the plasma membrane?
- Energy production (correct)
- Molecular partitioning
- Cell signaling
- Homeostasis
Which of the following is NOT a type of transport across the plasma membrane?
Which of the following is NOT a type of transport across the plasma membrane?
- Active transport
- Osmosis
- Diffusion
- Endocytosis (correct)
Which of the following is NOT a feature of the cytoskeleton?
Which of the following is NOT a feature of the cytoskeleton?
Which of the following is NOT a function of cell membranes?
Which of the following is NOT a function of cell membranes?
Which protein monomers form dimers in microtubules?
Which protein monomers form dimers in microtubules?
What is the process by which G-actin hydrolyzes ATP to ADP in F-actin?
What is the process by which G-actin hydrolyzes ATP to ADP in F-actin?
What is the function of capping proteins in the stability of F-actin?
What is the function of capping proteins in the stability of F-actin?
Which cellular structure is composed of a tubulin triplet structure?
Which cellular structure is composed of a tubulin triplet structure?
What is the process by which beta monomers cleave GTP to GDP + Pi in microtubules?
What is the process by which beta monomers cleave GTP to GDP + Pi in microtubules?
Which type of filament is responsible for the shape of microvilli in an epithelial cell?
Which type of filament is responsible for the shape of microvilli in an epithelial cell?
Which protein is responsible for the movement of cilia and flagella along microtubules?
Which protein is responsible for the movement of cilia and flagella along microtubules?
Which type of filament is commonly found in muscle cells and some epithelial cells?
Which type of filament is commonly found in muscle cells and some epithelial cells?
Which type of filament confers stability and structure to many mesenchymal cells?
Which type of filament confers stability and structure to many mesenchymal cells?
Which type of filament is involved in cellular movement and cell division?
Which type of filament is involved in cellular movement and cell division?
Which of the following lipid components usually has an unbranched structure and may or may not be saturated?
Which of the following lipid components usually has an unbranched structure and may or may not be saturated?
What is the most common molecule that the "R" of the phosphate "head" is linked to?
What is the most common molecule that the "R" of the phosphate "head" is linked to?
What impact does a smaller amount of cholesterol have on membrane fluidity?
What impact does a smaller amount of cholesterol have on membrane fluidity?
Which type of lipid has a different structure with a "backbone" consisting of sphingosine instead of glycerol?
Which type of lipid has a different structure with a "backbone" consisting of sphingosine instead of glycerol?
Which of the following is NOT a function of the glycocalyx?
Which of the following is NOT a function of the glycocalyx?
Which of the following is the correct function of membrane proteins?
Which of the following is the correct function of membrane proteins?
What is the purpose of tight junctions?
What is the purpose of tight junctions?
Which cytoskeletal structure is responsible for trafficking of organelles and cell division?
Which cytoskeletal structure is responsible for trafficking of organelles and cell division?
What is the function of adherens junctions?
What is the function of adherens junctions?
What is the overall function of the cytoskeleton?
What is the overall function of the cytoskeleton?
Which of the following best describes osmosis?
Which of the following best describes osmosis?
What happens when sugar is added to the right side of the U-tube model?
What happens when sugar is added to the right side of the U-tube model?
What is the role of the Na+/K+ ATPase in the plasma membrane?
What is the role of the Na+/K+ ATPase in the plasma membrane?
Which type of transport requires ATP?
Which type of transport requires ATP?
Why is the membrane surrounding each organelle important to the cell?
Why is the membrane surrounding each organelle important to the cell?
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