Start a new paragraph or line for each answer, and be sure that each part of your answer is clearly labeled as part “a” or “b” or “c” (etc.).   ENZYMES a) What has been changed about an enzyme when it becomes denatured (be specific)? b) Name the two types of enzyme inhibition we studied c) Compare and contrast the two types of inhibition we studied.  d) Explain the concept of feedback inhibition.   CELL ENERGETICS e) Cells carry out many reactions which are thermodynamically unfavorable.  How can they do this?  f) Give a specific, common example of the above.   GUARD CELLS g) Considering typical dicot guard cells, explain in detail what aspects of guard cells’ physical structure are important for guard cell functioning, and what effect those features have.  

When a particle is being moved with its gradient across a membrane by a carrier, what type of transport is involved?

All eukaryotic cells have an internal system of membranes.  The system of membranes called the _?_ has a “rough” portion (covered with the previously mentioned “protein factories”).

What general category of plant tissue fills the bulk of the plant and often provides strengthening cells, as well as metabolically active cells?

All eukaryotic cells also have a cytoskeleton consisting of fibrous proteins. The _?_ are the thinnest strands made of actin protein and are involved in cytoplasmic streaming, among other things.

As enzyme concentration decreases for an enzyme catalyzed reaction, the reaction rate will

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

Which process is most important for long-distance transportation within the plant?

What represents the water potential of a plant?

What does the letter “c” in the root tip diagram below refer to?