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Exam 2 Review
Terms in this set (22)
Which is a correct statement about Krebs Cycle?
It is dependent on oxygen to create ATP.
It does produce CO2.
It Causes the further catabolism of sugars.
The diffusion rate of compound X across the plasma membrane could be increased if the...
Width of the membrane was decreased.
Cell's membrane area was doubled.
Polarity of X was changed from polar to non polar.
In the construction of a normal plasma membrane, which of these trios is correctly ordered from largest to smallest based on the combined mass of the component?
Which of the following is a function of the glycocalyx?
Prevent damage to the cell's plasma membrane.
A cell is present within a solution. Salt is added to that solution causing ______________ channels to open.
Which is NOT a net product of Krebs cycle?
Amphipathic compounds will interact with and remain associated with...
No intracellular fluid but extracellular fluid movement is allowed by __________ junctions that are composed of _____________.
Desmosomes - Cadherins
We need to make adjustments to our Eq. _______ to understand the process of ______________.
1 - substrate level phosphorylation.
Hydrophobic is to ________ as hydrophilic is to ___________.
Lipophobic - Lipophilic
Nonpolar - polar
The net movement of compounds A and B is toward the plasma membrane and not based on any energy usage by the person. At the plasma membrane, compound A continues moving into the cytosol but compound B does not move into the cytosol. Which is a correct statement about these tow compounds?
They might both be small and non polar.
They Might both be ions.
Compound A might be hydrophobic while compound B is hydrophilic.
Jax, the overly energetic pooch (aka dog), loves to chase his BFFs David and Allen. However, to attend lectures, David and Allen cross the electric fence surrounding Jax's yard. Max cannot cross the fence. If we think of this yard as like a cell, then David and Allen are most likely __________ and the fence is most like ___________.
CO2 and O2 - plasma membrane
Brutus Buckeye loves doing experiments in the lab. This week he used a strong detergent to remove all of the integral proteins from a cell's plasma membrane. Which is a correct statement about the plasma membrane after this treatment?
Reduced number of amphipathic components
There is less movement of water across it
An enterprising, young physiology student finds a test tube that is correctly labelled "pure phospholipids." He dumps the tube's contents into a large beaker containing a lipophilic solution. As he correctly expected, the phospholipids spontaneously form a 3D structure that he correctly states has...
The phospholipid's head pointing inward (i.e., away from the solution)
The phospholipids creating a sandwich like structure with the tails as the "bread"
After taking a wrong turn in the depths of the Shoe, great coaching buddies Meyer and Matta find themselves inadvertently locked in a ver well-sealed (i.e., no input of fresh oxygen) and small room. After sitting around for few hours, both are bored and decide to spend the time doing jumping jacks to pass the time. Which is a correct statement about their cell metabolism at this point?
The activity of their electron transport chain is getting reduced.
The proportion of ATP created by substrate level phosphorylation is increasing.
Shh! The Phys Phabs are really the mild-mannered sides of superheroes (like Clark Kent for Superman). For example, at a recent superhero convention, Spencer and his fellow superheroes was stunned to see through the open window in the convention center that a little old lady was getting mugged by a villain. What must be correct to allow Spencer to reach the lady as quickly as possible?
Widely opened window.
Short Distance to the crime.
An accident-prone anatomy student finds herself lost in the boiler room of Independence Hall. She sees a system of pipes that transport fluid between large tanks. She crawls past these pipes to see if there is an exit on the other side of the tanks. If we consider the tanks to be cells held together by junctions, then she is crawling past...
Gap Junctions (Neither were correct)
After las week's failed attempt, Flarplord Baggins tweaked Crabix such that it now can cross the plasma membrane. Once in the cell, Crabix dramatically reduces, without eliminating, ATP production but not altering pyruvate production. Which is a correct statement about this version of Crabix?
It does not prevent all recycling of NADH.
Which type of food was used as an analogy during lecture on the 25th?
What Percentage of the class did NOT get all 5 Scantron Total points for Exam 1?
Over the course of the Review Session las week (25th), how many staff members were present to answer questions?
In which building is the Evening Party Room located?
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