In gal+ yeast, what is the product of the galactose utilization pathway?
What will be an ideal response?
glucose-1-phosphate
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Sexual dimorphism has arisen as a result of ____
a. stabilizing selection b. heterozygote superiority c. kin selection d. sexual selection e. directional selection
Since the beginning of the twentieth century, the rate at which ________ and other so-called greenhouse gases have entered the atmosphere has been faster than at any other time in the known history of life on Earth.
Fill in the blank(s) with the appropriate word(s).
Which isolating mechanism is postzygotic?
A. hybrid sterility B. ecological isolation C. temporal isolation D. mechanical isolation E. behavioral isolation
A missense mutation in the ________ gene, a tumor suppressor, results in stomach cancer.
A) HER2 B) RB1 C) E-cadherin D) CML