BIO 200 Final Exam Review|| QUESTIONS & ANSWERS|| VERIFIED|| LATEST UPDATE 2024
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Course
BIO 200
Institution
BIO 200
What is the name of the covalent bond between two saccharides? - ANSWER glycosidic linkage
Which of the following are possible functions of carbohydrates? (Choose all correct answers) - ANSWER act as a cell identifier, act as structural component, provide energy and store enrgy
True or False:...
BIO 200 Final Exam Review|| QUESTIONS
& ANSWERS|| VERIFIED|| LATEST UPDATE
2024
What is the name of the covalent bond between two saccharides? - ANSWER glycosidic linkage
Which of the following are possible functions of carbohydrates? (Choose all correct answers) - ANSWER
act as a cell identifier, act as structural component, provide energy and store enrgy
True or False: Long, weak bonds (like those found in non-polar C-H bonds) have higher potential energy
than short, strong bonds (like those found in polar O-H bonds). - ANSWER true
Potential energy stored in the bonds of a molecule is also called - ANSWER chemical energy
In this reaction, how is entropy (S) of the system changing? (the reaction is respiration) - ANSWER it is
increasing
Changes in free energy are related to both enthalpy and entropy. Which equation best represents this? -
ANSWER deltaG = deltaH-TdeltaS
Adenosine triphosphate (ATP) can be hydrolyzed to become ADP and inorganic phosphate. It has a
deltaG of -7.3 kcal/mol. This reaction... (Choose ALL correct answers) - ANSWER spontaneous, releases
energy, is exergonic
Is this statement true or false? If a reaction is spontaneous, then it will always occur very quickly. -
ANSWER false
In this reaction, how is enthalpy or potential energy (H) of the molecules changing? ( the reaction is
respiration) - ANSWER it is decreasing, it is not releasing heat
, Some people cannot eat dairy products because they cannot break down the sugar in milk products.
What is that sugar?
Correct! - ANSWER lactose
Often, humans cannot break down milk sugar. Why? - ANSWER Often, humans cannot break down milk
sugar. Why?
Which of the following are TRUE? - ANSWER adenosine triphosphate (ATP) is a substrate of RNA
polymerase, the first ribonucleotide that hydrogen bonds to the template strand will be at the 5' end of
the completed RNA molecule.
How is a phospholipid considered "amphipathic"? - ANSWER it has a hydrophobic end and a hydrophilic
end
Which of the following can affect membrane fluidity and permeability? - ANSWER having saturated vs.
unsaturated fatty acid tails, the presence of cholesterol, temperature
When solutes can move freely across a lipid bilayer, with a net movement down their concentration
gradient, it is called - ANSWER diffusion
Lipid bilayers are permeable to water. When water diffuses, it is called... - ANSWER osmosis
An ion channel in the membrane provides a path across that membrane. If ions flow through the channel
it is called... - ANSWER facilitated diffusion
During which part(s) of respiration is CO2 a product? - ANSWER Citric Acid Cycle (we call it the "Krebs
Cycle") , Pyruvate Processing (we call it the "Linking Step")
During which part(s) of respiration are electron carriers (like NAD++ and FAD) reduced? - ANSWER Citric
Acid Cycle (we call it the "Krebs Cycle") , Pyruvate Processing (we call it the "Linking Step") , glycolysis
Where does the Citric Acid Cycle (Krebs Cycle) occur in eukaryotes? - ANSWER In the mitochondrial
matrix
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