Which of the following is NOT a recombinant protein isolated from bacteria?
A) Interferon
B) Factor VIII
C) Insulin
D) Erythropoietin
E) Cellulase
E
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Assume the trait for brown eyes is completely dominant to blue eyes and this trait is controlled by a single gene. If 400 people in a population of 10,000 have blue eyes, how many people would be expected to be heterozygous for this trait? (Hint: Use the Hardy-Weinberg formula.)
a. 8,000 b. 5,400 c. 3,200 d. 960 e. 320
The ____ phylum has only about 70 living species of vascular, seed-bearing plants in three genera, including
Welwitschia and Ephedra. Some species have a two-step fertilization process, similar to fertilization in angiosperms.
a. Cycadophyta b. Anthophyta c. Gnetophyta d. Coniferophyta e. Ginkgophyta
When a promoter element is bound by a positive regulatory protein, the result is
A) activation of replication. B) activation of transcription. C) activation of translation. D) repression of replication. E) repression of transcription.
Most invertebrates have:a
isolecithal eggs and meroblastic cleavage. b. telolecithal eggs and meroblastic cleavage. c. isolecithal eggs and holoblastic cleavage. d. telolecithal eggs and holoblastic cleavage. e. isolecithal eggs and radial cleavage.