Tight junctions ____
a. seal the spaces between cells
b. allow ions and small molecules to pass between cells
c. allow cells to communicate with each other
d. give the cell its shape
e. anchor the cell membrane to the cell wall
ANSWER: a
You might also like to view...
The integumentary system
a. covers and protects the body. b. connects muscles to skin. c. suspends organs in the abdominal cavity. d. contains endocrine glands. e. regulates muscle control
Sweat glands are part of the endocrine system.
Answer the following statement true (T) or false (F)
Hershey and Chase used a DNA-based virus for their work. How might the results have been different if they had used an RNA virus?
a) with an RNA virus, neither sample would have had a radioactive pellet b) with an RNA virus, radioactive protein would have been in the final pellet c) with an RNA virus, radioactive RNA would have been in the final pellet d) with an RNA virus, the protein shell would have been radioactive in both samples
The majority of Drosophila embryo segments will become part of the ________ in an adult fly.
A. thorax B. bithorax complex C. head D. head or thorax E. abdomen