If one parent has the Huntington's allele, and the other is normal, what are the odds that they could have a normal child?
a. 0
b. 25%
c. 50%.
d. 75%
e. 100%
c
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Which trophic level usually contains more energy than any other trophic level in an ecosystem?
a. producers b. primary consumers c. secondary consumers d. tertiary consumers e. This answer has not been determined for most ecosystems.
__________ stimulate cell division, release lateral buds from apical dominance, and inhibit
senescence. Fill in the blank(s) with the appropriate word(s).
All of the following are reasons why the icosahedral shape is a common viral shape that affects animals EXCEPT:
A. Lots of energy is conserved when using this structure B. The lipid portion of envelope the virus encodes for protects it from environmental damage C. Plenty of room inside for nucleic acid D. Identical protein subunits are used to build the shape E. Genetic economy occurs
What would happen to red blood cells placed in an isotonic solution?
a) none of the choices is correct b) cells would maintain a constant volume c) cells would lyse d) cells would shrink