A red blood cell is placed in a solution. After a period of time, the cell has shrunk to half its original size. Which of the
following is true?
a. Water moved from the solution into the cell.
b. The solution inside the cell is hypertonic.
c. The cell was placed in a hypertonic solution.
d. The cell was placed in an isotonic solution.
e. Salt left the cell resulting in its change in size.
ANSWER: c
You might also like to view...
You engineer an XY mouse in which the SRY gene is inactivated. What do you expect to observe in this mouse?
A) The mouse will develop male anatomic features. B) The mouse will develop female anatomic features. C) The mouse's Y chromosome will convert into an X chromosome. D) The mouse's X chromosome will convert into a Y chromosome. E) The mouse will exhibit both male and female morphological features.
Middle eastern respiratory syndrome (MERS) is caused by
A) Streptococcus pneumoniae. B) the influenza virus. C) a coronavirus. D) a rhinovirus.
Tendons attach ________ to bone
Fill in the blank(s) with correct word
When only C genes are turned on in flowering plants, ____ form
a. sepals b. petals c. stamens d. carpels e. leaves