BIOLOGY CUMULATIVE FINAL EXAM STUDY 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