Scientists expect water enriched with 137 Cs to reach the west coast of North America by 2015-2020 due _____
a. rising sea levels
b. prevailing winds
c. drifting kelp forests
d. air currents
e. deep marine currents
ANSWER: e
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Water has an important stabilizing effect on temperature in living organisms and their environments
because as water absorbs heat, much of the energy is used to ____ instead of raising the temperature.
a. create hydrogen bonds b. create covalent bonds c. break surface tension d. break hydrogen bonds e. create hydration layers
List two simple, basic functions of antibodies
What will be an ideal response?
A composite organism consisting of a fungus
with either a cyanobacterium or green alga as a partner is called a
a. mycorrhiza. b. rust. c. lichen. d. mycelium. e. chytrid.
Feedback inhibition is an example of:
a. translational control. b. transcriptional control. c. posttranslational control. d. a repressible system. e. constitutive control