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TLS Online TPP Program

#Question id: 11960

Mechanical digestion, the process of breaking down large chunks of food into smaller pieces, is important because smaller pieces of food ________.

#7. System Physiology – Animal
  1. do not taste as good as larger pieces of food
  2. have more surface area for chemical digestion than do larger pieces of food
  3. are easier to excrete than are larger pieces of food
  4. are more easily stored in the stomach than are larger pieces of food
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TLS Online TPP Program

#Question id: 12005

#10. Ecological Principles

Acid  rain  damage  depends  on  the  buffering  capacity  of  the  soils  in  a  given  region.  Damage  has  been  greatest where the soil layer is
TLS Online TPP Program

#Question id: 2071

#2. Cellular Organization

Diffusion of ions across membranes through specific ion channels is driven by:
TLS Online TPP Program

#Question id: 683

#1. Molecules and their Interaction Relevant to Biology

Which factor does not help to explain why many proteins exhibit quaternary structure?
TLS Online TPP Program

#Question id: 11744

#6. System Physiology – Plant

Large pores in cell walls are the prominent feature of sieve elements, the sieve area pores range in diameter from
TLS Online TPP Program

#Question id: 5205

#11. Evolution and Behavior

Why is it preferable to use large computers and databases in searching for individual genes, rather than testing each sequence for possible function?