How can a living cell increase the rate of a chemical reaction?
A. by raising the pH of the cytoplasm.
B. by using a catalyst.
C. by lowering the pH of the cytoplasm.
D. by increasing the entropy of the reactants.
E. by raising the temperature.
Answer: B
You might also like to view...
In a multicellular organism, cellular exchange with the environment can only occur if ________.
A) cells have access to a suitable watery environment B) the body is a closed system C) homeostasis requires energy expenditure D) temperatures are variable
When a fecal sample is collected from an ill patient, how are each of the following identified: bacterial cell, eukaryotic protist, and virus?
What will be an ideal response?
What type of bonding occurs between mature tRNAs and mRNA?
a. covalent b. ionic c. hydrogen d. van der Waals
Among other functions, the ____ of a vascular plant performs most of the photosynthesis that is
conducted by the plant.
a. ground tissue b. protoderm c. vascular tissue d. meristem e. dermal tissue