Which of the following statements best describe cells within biological systems?
A) Cells are chemical factories where biomolecules are created or used.
B) Cells can only create chemicals; organelles are used to consume the chemicals.
C) Cells have a nucleus where the bulk of the mass is stored.
D) Cells are the fundamental unit of matter.
E) All of the above are true.
Question 2
Which has more total energy: a cup of boiling water at 100C or a swimming pool of slightly cooler water at 90C?
A) The cup of boiling water at 100C has more energy.
B) The swimming pool at 90C has more energy.
C) They both have the same amount of energy because they are both made of water.
D) It is not possible to answer this question without knowing the ambient temperature surrounding each body of water.