Most fresh water fish are hypertonic, meaning their body cells contain more salt than the surrounding water. Since osmosis should push water into their cells, why don't they explode?
a) They urinate a lot, so the water does not build up.
b) They don't drink any water because they get so much from osmosis.
c) Their cells have adapted to absorb salt.
d) They have adapted to live with high osmotic pressure.
e) All of the above
E
You might also like to view...
The three categories of rocks are classified by ____
a. geographic location b. color c. mineral content d. method of formation e. time of formation
Successful short term forecasts (a few hours) can often be made using this method of prediction
A) climatological forecasting B) upper-wave forecasting C) persistence forecasting D) analog forecasting E) probability forecasting
Which of the following is not a heterocyclic aliphatic amine?
A) piperidine B) pyrrolidine C) pyrimidine D) They are all heterocyclic aliphatic amines.
Peasant landholdings in the Soviet Union were confiscated and reorganized under the _____ agricultural system
a. orthodox b. apostolic c. indoctrinate d. collectivized e. consolidated