General Cell And Developmental Biology Quiz

What is the function of the cytoskeleton in eukaryotic cells?

• A. Provide mechanical support

• C. Store genetic information

• D. Regulate cell division

• B. Produce energy

Which motor protein is responsible for moving organelles along cytoskeletal filaments?

• D. Actin

• A. Myosin

• B. Kinesin

• C. Dynein

What is the structure of microfilaments in eukaryotic cells?

• C. Thin solid rods made of actin

• B. Thick solid rods made of keratins

• A. Hollow rods made of tubulins

• D. Intermediate filaments made of globular proteins

Which cytoskeletal element is responsible for the beating of cilia and flagella?

• A. Microfilaments

• C. Microtubules

• D. Motor proteins

• B. Intermediate filaments

What is the function of intermediate filaments in eukaryotic cells?

• D. Help in muscle contraction

• B. Guide vesicles in cell division

• A. Provide strength for cells

• C. Shape and support the cell

How do kinesin and dynein transport cargo (vesicles) on microtubules?

• A. Kinesin moves towards the minus end

• C. Kinesin walks towards the plus end

• B. Dynein walks along microtubules

• D. Dynein moves towards the plus end

What is the diameter of microtubules in eukaryotic cells?

• D. 30 nanometers

• A. 7 nanometers

• B. 10 nanometers

• C. 23 nanometers

Which component of the cytoskeleton is only found in some animal cells?

• D. Centrioles

• A. Microfilaments

• B. Intermediate filaments

• C. Microtubules

What is the role of cilia and flagella in eukaryotic cells?

• C. Store genetic material

• B. Act as locomotor appendages

• D. Regulate cell division

• A. Provide energy for the cell

What is a common function of the cytoskeleton in both animal and plant cells?

• A. Guide vesicles in cell division

• B. Provide mechanical support

• D. Regulate cell differentiation

• C. Produce energy for the cell