
Which statement about bases is incorrect?
Answer:
Bases contain hydrogen ions Is the Correct Answer!
A base is a substance that accepts hydrogen ions. When a base is dissolved in water, the balance between hydrogen ions and hydroxide ions shifts the opposite way.
Hope this helps!

-4 has one because it is on the line
Answer:
Active uptake (which I think you mean active transport) is important when the concentration gradient is against that of a certain substance, so it doesn't cross the membrane through diffusion or passive transport. It is sometimes necessary if a substance needs to move across a membrane but can't do so due to electrical charge or that there is a substance on the other side of the membrane preventing diffusion.
Explanation:
Answer:
What is a metabolic pathway?
Metabolic pathways could be simply defined as ways whereby reaction occurs chemically within a cell which are carried about by enzymes called metabolites, those enzymes helps in hasten up the reaction.
Explanation:
Answer:
In this, the controlled variables are stirring and type of sugar. As more stirring might elevate the amount of sugar that dissolves, and different kind of sugars might dissolve in distinct concentrations. So, in order to make sure a fair test, there is a need to keep these variables similar for each cup of water.
Explanation: