BIOLOGY CUMULATIVE FINAL EXAM STUDY QUESTIONS AND ANSWERS A.
What best explains the double-headed arrows associated with water,
carbon dioxide, and molecular oxygen shown in the illustration below?
âœâ€Ã¢Å“â€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...
âœâ€Ã¢Å“â€protein
Hikers can detect a dead skunk along a trail long before they ly see
it. What process allows the scent of the skunk to be so widely dispersed?
âœâ€Ã¢Å“â€diffusion
Which of the following is either consumed or synthesized in virtually
every cellular reaction?
âœâ€Ã¢Å“â€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?
âœâ€Ã¢Å“â€ATP allows the energy to be converted for later use or transferred to
other chemical reactions