Biology Exam 2
Breaking down 1 molecule of glucose during glycolysis yields
2 molecules of ATP 2 molecules of NADH 2 molecules of Pyruvate
Between catabolism and anabolism the energy is stored in an intermediate form know as ____
ATP
During Chemiosmosis, H+ is funneled from the inner membrane space into the mitochondrial matrix with the help of an enzyme called ___
ATP synthase
During chemiosmosis the enzyme ____ harnesses the fall of _____ that occurs across membrane to put together ADP and Pi to make ATP
ATP synthase, protons
____ has the potential to react with water and release energy as it breaks down into ADP and _____
ATP, Pi
The minimum energy required by a reaction to overcome the energy barrier & proceed is called the ____
Activation energy
The site at which an enzyme binds a substrate (reactant) is called the ____ site
Active
Expand ATP
Adenosine Triphosphate
A molecule made of both hydrophobic and hydrophilic structures is an _____ molecule
Amphiphatic
ATP synthase plays a role during?
Chemiosmosis
FAD & NAD+ are examples of _____
Coenzymes
Anabolic reactions ____ ATP
Consume
Free Ribosomes are found floating around in the ____ of a cell
Cytosol
According to the 2nd law of thermodynamics , with every transfer or transformation of energy, there is an increase in the _________ of the universe
Entropy
The diffusion aided with the help of a transport protein is called _____ diffusion
Facilitated
A plant cell placed in an isotonic solution will lose water (T or F)
False
A polar molecule is one that is hydrophobic in nature (T or F)
False
During feedback inhibition the end product of a metabolic pathway acts as a stimulator for an enzyme in order for it to continue making the end product (T or F)
False
Non competitive inhibitiors act by binding to the active site of the enzyme which then prevents the substrates from binding there (T or F)
False
Spontaneous reactions are known to happen quickly/ instantaneously (T or F)
False
Plasmodesmata is to plant cells as _____ is to animal cells
Gap junction
Between glucose and oxygen in the reaction of cellular respiration ____ is the reducing agent
Glucose
What is the following step in fermentation
Glycolysis
When a cell is placed in hypertonic solution the cell will _____ water
Lose
A sodium potassium pump is called electrogenic pump because it contributes to _____
Membrane potential
The thickest filament of the cytoskeleton is the ______ and plays a role in maintaining cell _____
Microtubule, shape
A reaction that is spontaneous will have _____ ∆G
Negative
In a reaction that is exergonic the ∆G will be a _____ value
Negative
The DNA in a prokaryotic cell is found in a region known as
Nucleoid
The diffusion of water molecules is called
Osmosis
Na+ -K+ pump maintains both electrical and concentration gradient of ions by pumping 3 Na+ ions ______ of cell while bringing 2 K+ ions _____ the cell
Out, inside
When a substance loses electron in a reaction it gets ____
Oxidized
The transport of substance that happens without input of energy is called ____ transport
Passive
NADH and FADH2 are coenzymes in their _____ states
Reduced
In the formation of ionic bond between sodium and chlorine the chlorine ends up getting ____ while sodium gets _____
Reduced, oxidized
To have clarity in a microscopic image such that two points in a sample are easily distinguishable a microscope must have a high .
Resolution
The organelle called ______ is site of protein synthesis
Rough ER
To prevent acid from seeping in the stomach, the stomach cells join one another via ___
Tight junction
A cells cytoplasm is negative when compared with the outside of a cell (T or F)
True
_____ is an organelle in a plant cell that functions as a compartment for waste disposal
Vacuole