Out of the biomes listed, which receives the most precipitation?
a. tundra
b. boreal forest
c. chaparral
d. savanna
e. grassland
b
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The binding of a positive allosteric regulator molecule will ________.
A. decrease the ability of the substrate to bind to the catalytic site B. increase the ability of the substrate to bind to the catalytic site C. increase the ability of the substrate to bind to the allosteric site D. decrease the ability of the substrate to bind to the allosteric site
To be a part of the biosphere any particular region
must a. be close to the earth’s surface. b. include sources of water. c. support life. d. include oxygen. e. be exposed to sunlight.
Given that a human normally contains 46 chromosomes, give the chromosome number for each of the following conditions:
Turner syndrome (female, no Barr bodies) Klinefelter syndrome (male, one Barr body) triploid Down syndrome (trisomic) trisomy 13
For most sexually reproducing organisms, Mendel's laws
A) cannot strictly account for the patterns of inheritance of many traits. B) explain the biological mechanisms behind why certain genes are dominant or recessive. C) help us understand the global geographic patterns of genetic disease. D) can predict whether offspring will be male or female with 100% accuracy.