Which gas was not present in the Miller-Urey experiment?
a. All of them were present
b. CH4 (methane)
c. H2O (water)
d. H2 (hydrogen gas)
e. NH3 (ammonia)
a
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A monooxygenase can always be distinguished from a dioxygenase by incorporating only one oxygen atom from O2 into the substrate rather than both
Indicate whether the statement is true or false.
Which of the following procedures may be used to map genes in a fungi with an unordered tetrad ascus?
A. Testcross B. Monohybrid cross C. Dihybrid cross D. Chi-square analysis E. Analysis of interference
What would likely be true when P = 0.9?
A) Rate of extinction would be high. B) Rate of colonization would be high. C) Proportion of patch occupied would be low. D) Corridor size would be small.
Select all of the choices that apply to a gene carrier.
a. possesses but does not express the allele in question b. typically has a homozygous dominant genotype c. typically has a heterozygous genotype d. typically has a homozygous recessive genotype e. both possesses and expresses the allele in question