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BIOLOGY CUMULATIVE FINAL EXAM STUDY QUESTIONS AND ANSWERS RATED A.
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BIOLOGY CUMULATIVE FINAL EXAM STUDY QUESTIONS AND ANSWERS RATED A.
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BIOLOGY CUMULATIVE FINAL EXAMSTUDY QUESTIONS AND ANSWERS
RATED A.
What best explains the double-headed arrows associated with water,
carbon dioxide, and molecular oxygen shown in the illustration below?
✔✔The membrane is permeable to these small molecules and they enter
or leave rapidly as their concentration gradients change
Cell surface receptors of chemical messages are made of...
✔✔protein
Hikers can detect a dead skunk along a trail long before they actually see
it. What process allows the scent of the skunk to be so widely dispersed?
✔✔diffusion
Which of the following is either consumed or synthesized in virtually
every cellular reaction?
✔✔ATP
Since plants are able to capture energy from the sun, why do they need to
pass that energy through the chemical reactions necessary to produce
ATP?
✔✔ATP allows the energy to be converted for later use or transferred to
other chemical reactions
,The diagram below shows the Calvin cycle, which is a series of enzymatic
reactions that manufacture sugar. How many times must this cycle
"turn" to make one molecule of glucose (six carbons)?
✔✔6
Which of the following statements comparing photosynthesis and cellular
respiration is accurate?
✔✔Photosynthesis is a catabolic pathway, whereas cellular respiration is
an anabolic pathway
The Krebs cycle produces...
✔✔NADH and carbon dioxide
The three stages of aerobic catabolism are...
✔✔glycolysis, the Krebs cycle, and oxidative phosphorylation
The second law of thermodynamics states that...
✔✔systems tend to become more disorderly
Which of the following statements describe the function of the electron
transport chain in photosynthesis?
✔✔As electrons move through the ETC, they release energy that is used
to concentrate protons in the thylakoid membrane
Each time you take a breath, you are bringing in the oxygen you need to
stay alive. The ultimate source of the oxygen used by all aerobic
organisms comes from a reaction that...
✔✔splits water
, In the reaction C6H12O6+6O2-->6CO2+6H2O, the 6 CO2 molecules are
some of the...
✔✔products
In photosynthesis, the carbon used to make sugars is...
✔✔provided by carbon dioxide
The enzyme rubisco is important to the process of...
✔✔carbon fixation
During the process of photosynthesis, plants capture the kinetic energy of
moving photons and transform it into potential energy in the form of...
✔✔carbon bonds
The figure below is a diagram of the inner mitochondrial membrane.
How did the protons (H+) in this diagram become concentrated on one
side of the membrane?
✔✔The H+ were pumped across the membrane by the electron transport
chain
In the reaction H20 + CO2 + carbonic anhydrase-> H+ + HCO3- +
carbonic anhydrase, carbonic anhydrase is a(n)...
✔✔enzyme
Consider the change in the status of the polymer in the living cell and the
dead cell. What real-life process does the illustration below represent?
✔✔The decomposition of a fallen tree trunk on the forest floor
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