BI 101 Homework 3 Park University | Page 7

b . diffuse out of the cell .
c . show no net movement .
d . move in by endocytosis .
21 . Sodium ions cross a membrane at transport proteins that receive an energy boost . This is a case of
a . passive transport .
b . active transport .
c . facilitated diffusion .
d . a and c .
22 . Demonstrate your understanding of the three main types of cells we ’ ve learned about this week by completing the following table :
Type Bacteria Plant Cell Animal Cell
Prokaryotic or eukaryotic ?
Cell wall ( Yes or No )