When a plasma membrane allows some substances through but not others, it is ________ .
a. nonpolar
b. polar
c. able to use active transport
d. selectively permeable
e. diffusible
Ans: d. selectively permeable
Biology & Microbiology
You might also like to view...
Based on the pedigrees that you have generated, does the inheritance of cystic fibrosis appear to be related to the sex of the offspring?
a. Yes b. No
Biology & Microbiology
Which cross-section of a tree illustrates a strong
compartmentalization response? a. A b. B c. C d. B and C e. All of these
Biology & Microbiology
The ________ are craniates that lack a vertebral column
Fill in the blank(s) with correct word
Biology & Microbiology
Cephalosporins are NOT
A) wide spectrum antibiotics B) antibiotics with few side effects C) disruptors of cell membrane function D) used prophylactically in patients undergoing surgery
Biology & Microbiology