Beyond the Cell: Cell Adhesions, Cell Junctions, and Extracellular Structures

Question 1

many cells spend their lives in contact with?

Answer 1

neighboring cells

Question 2

the organization of cells does what? (2)

Answer 2

1. forms tissues

2. allows multicellular organisms to adopt complex structures

Question 3

Types of tissues in animals? (2)

Answer 3

1. Epithelium

2. Connective tissue

Question 4

What are epithelium?

Answer 4

• sheets of cells that are polarized

- discrete functional domains at opposite end of the cells

Question 5

What is connective tissue?

Answer 5

• loosely organized cells

- cells must be attached to each other but reside in a rigid scaffold (matrix)