Name the main substance translocated in the phloem of most plants (the specific molecule). _______

At what protein structure level is a folded protein that functions as an enzyme without needing any additional subunits?

Which type of inhibition can be reversed by increasing the substrate concentration? _______

As pH increases from its optimal value for an enzyme catalyzed reaction, the reaction rate will

Name the cells in this type of tissue that are thin-walled, metabolically active cells (e.g. carrying out photosynthesis, e.g. non-photosynthetic but storing starch, etc.). _______

What is the name of the specific type of this tissue that carries water and dissolved minerals? _______

Name the cells in this type of tissue that have thick primary cell walls to provide flexible support for growing parts of the plant. _______

The preceding questions asked about pathways by which water crosses a root cortex. Which of the preceding questions refer(s) to “cellular” pathway(s)? (Note the letters “a”, “b”, and “c” identifying each question above.  

In the “polymer-trapping model”, which of the following factors is NOT a factor that helps to maintain a favorable sucrose concentration gradient?  (i.e. lower sucrose concentration in the companion cell/ sieve-tube element complex)

At the root surface, what structures absorb water by osmosis?