★ Enzymes and Movement of Substances Quiz
What is active transport?
A. The movement of substances from a high to a low concentration.
B. The movement of substances from a low to a high concentration.
C. The movement of substances along the concentration gradient.
D. The movement of substances without the use of energy.
Select your answer:
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Life Processes - Digestion and Respiration › ViewHydrochloric acid is secreted by
A. Pancreas
B. Small intestine
C. Liver
D. Gastric glands of the stomach
The Chemistry of Microbiology › View
Which of the following illustrates a synthesis reaction?
A. 6 H2O + 6 CO2 C6H12O6 + 6 O2
B. C6H12O6 + 6 O2 6 H2O + 6 CO2
C. 2 H2O 2 H2 + O2
D. CaCO3 CaO + CO2