Podcast
Questions and Answers
Which process is essential for a variety of cellular functions, including cell motility, cell division, and cell shape maintenance?
Which process is essential for a variety of cellular functions, including cell motility, cell division, and cell shape maintenance?
- Tubulin protein formation
- Actin filament disassembly
- Microfilament polymerization (correct)
- Microtubule assembly
Where does polymerization occur most rapidly in an actin filament?
Where does polymerization occur most rapidly in an actin filament?
- Pointed end
- Barbed end (correct)
- Middle portion
- Both ends equally
Which structure forms a contractile ring that helps to divide the cytoplasm of the cell into two daughter cells?
Which structure forms a contractile ring that helps to divide the cytoplasm of the cell into two daughter cells?
- Microtubule
- Tubulin protein
- Cortical cytoskeleton
- Actin filament (correct)
What is the diameter of microtubules?
What is the diameter of microtubules?
Which type of movement are microfilaments responsible for?
Which type of movement are microfilaments responsible for?
Which protein is known for its high tensile strength and resistance to pulling forces in the extracellular matrix?
Which protein is known for its high tensile strength and resistance to pulling forces in the extracellular matrix?
Which type of collagens are made up of triple helical monomers of either identical or different subunits?
Which type of collagens are made up of triple helical monomers of either identical or different subunits?
What distinctive type of protein-polysaccharide complex is typically found in basement membranes and other extracellular matrices?
What distinctive type of protein-polysaccharide complex is typically found in basement membranes and other extracellular matrices?
Which molecule forms gigantic complexes with proteoglycans in the extracellular matrix?
Which molecule forms gigantic complexes with proteoglycans in the extracellular matrix?
What type of subunits are joined by a pair of disulfide bonds near the C-terminal to form fibronectin?
What type of subunits are joined by a pair of disulfide bonds near the C-terminal to form fibronectin?
What is the main function of the extracellular matrix (ECM) in a multicellular organism?
What is the main function of the extracellular matrix (ECM) in a multicellular organism?
How does the structure of proteins in the extracellular space differ from those inside the cells?
How does the structure of proteins in the extracellular space differ from those inside the cells?
In what way does the extracellular matrix (ECM) differ from an inert packing material or nonspecific glue?
In what way does the extracellular matrix (ECM) differ from an inert packing material or nonspecific glue?
Which term best describes the macromolecular organization of the extracellular matrix?
Which term best describes the macromolecular organization of the extracellular matrix?
What term is commonly used to describe the network of extracellular materials that is present beyond the immediate vicinity of the plasma membrane?
What term is commonly used to describe the network of extracellular materials that is present beyond the immediate vicinity of the plasma membrane?
