Chapter Questions
What are the four basic tissue types in animals?
How does the structure of the epidermis of the skin relate to its function?
What are three types of cytoskeletal elements? For each, indicate the subunits they are composed of, their relative size, and major functions.
How is the dynamic nature of microtubules and microfilaments important for their functions?
What are three types of motor proteins? For each, indicate which cytoskeletal element it interacts with and its function.
Would a defect in dynein or in kinesin cause a zebrafish embryo to remain darkly colored after daybreak?
What are three major types and functions of cell junctions?
Adherens junctions and desmosomes both attach cells to other cells and are made up of cadherins. How, then, are they different?
What do you think would happen if you interfered with the function of cadherins and integrins?
Where can extracellular matrix be found in plants and in animals?
What are two effects that the extracellular matrix can have on cells?
Do you think cadherins or integrins are responsible for the changes in gene expression described in Fig. 10.21 ? Why?