The program BLAST would be best used for what purpose?
A. Determining what restriction sites are present in a fragment of DNA
B. Identifying a promoter sequence
C. Identifying splice donor and acceptor sites
D. Identify related sequences to a given DNA sequence in the Genbank database
D
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The first oncogene to be discovered:
A. is a gene that contributes to uncontrolled cell division or cancer. B. was first discovered in a Rous sarcoma virus that causes cancer. C. is a protein kinase that acts as a cell division trigger. D. has a less-active normal counterpart called a proto-oncogene. E. All of these choices are correct.
The bird with the largest wings, also a marine bird, is called the:
a. frigate bird. b. pelican. c. albatross. d. gull. e. cormorant.
Sickle cell anemia is a genetic disease caused by the replacement of one amino acid in the hemoglobin molecule. This
replacement changes the shape and function of the hemoglobin protein in dramatic ways, which can sometimes be lethal. How can the substitution of one amino acid lead to such drastic results? What will be an ideal response?
Species of Rhizobium and Bradyrhizobium bacteria are most directly associated with ____
a. nitrification b. ammonification c. nitrogen cycling d. nitrogen fixation e. nitrogen assimilation