The following questions iare based on the drawing of root or stem cross sections shown in Figure 35.2.Figure 35.2A woody eudicot is represented by

In plant roots, the Casparian strip is correctly described by which of the following?

During percussion of the thorax the patient holds his or her arms in front in order to:

Compared to a cell with few aquaporins in its membrane, a cell containing many aquaporins will

A breakfast cereal advertises that it contains essential vitamins and minerals. In this context, the word “essential” means _____.

The phase change of an apical meristem from the juvenile to the mature vegetative phase is often revealed by

A plant mutant that shows normal gravitropic bending but does not store starch in its plastids would require a reevaluation of the role of ________ in gravitropism.

A plant seedling bends toward sunlight because

Short Answer: Use complete sentences and correct grammar when answering the following question.  Evolutionary biologists have coined the term exaptation to describe a common occurrence in the evolution of life; a limb or organ evolves in a particular context but over times takes on a new function. What is one example of an exaptation in plants that you learned about in Chapter 35?

Pepsin is an enzyme produced in the stomach that attacks proteins to break them down into smaller peptide molecules. Which of the following statements about this enzyme is true?