If a course includes an online textbook/ebook it can be found under the link "Textbook"
Explanation:
The four options given represent different areas of online sources for students, My home is the opening page where the students will most likely see links to the specific areas of study, Student Portal will include the specific and individual information as grades and projects of each student, Course Syllabus will include the topics and areas of study per unit, the Textbook is were the student can have access to the practice material for the course.
Explanation: The cell wall and cell membrane protects the cell the cell wall gives it it's shape and the membrane controls what enters or exits the cell
