Quiz 6 - 1 / 1 point Question 1 Which of the following...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
is/are correct? For a cell placed in a hypertonic solution, water will diffuse with its concentration gradient, out of the cell. For a cell placed in a hypotonic solution, solutes will diffuse out of the cell with their concentration gradients. For a cell placed in a hypertonic solution, solutes will diffuse into the cell with their concentration gradients. For a cell placed in an isotonic solution, their will be no net flow of water either into or out of the cell. Question 2 1 / 1 point The main difference(s) between active and passive transport of molecules across membranes is/are: All forms of movement of molecules across the membrane require a channel or transmembrane protein specific to that molecule. Passive transport involves only molecules moving with their concentration gradients; in active transport, molecules can move against their concentration gradient. Active transport is used to move molecules with their concentration gradients. Passive transport never requires a membrane protein or channel, while active transport does require one of these. Question 3 1 / 1 point A reaction in which the products have less energy than the reactants is said to have a negative delta G. be exergonic.
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 04/02/2008 for the course BIO 181 taught by Professor Jorstad during the Spring '07 term at University of Arizona- Tucson.

Page1 / 5

Quiz 6 - 1 / 1 point Question 1 Which of the following...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online