In the biosynthetic pathway for conversion from homoserine to methionine, you identify a Neurospora crassa double mutant Met1/Met2. This mutant will grow only if which supplement(s) are added to the minimal media?
A) homoserine only
B) cysteine only
C) homocysteine only
D) cystathionine and homocysteine
E) methionine only
E
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A structure whose secretions cause the uterine endometrial tissue to thicken in preparation for
pregnancy is indicated by the label
a. 1. b. 2. c. 3. d. 5. e. 7.
Vectors can transfer ____
a. DNA sequences into bacterial host cells for cloning b. DNA sequences into viral host cells for cloning c. cloned viral cells into a bacterial host for cloning d. cloned mitochondria from donor cell to host cell e. cloned chromosomes from the nucleus of a cell into its cytoplasm
Osteoartheritis is when what happens?
What will be an ideal response?
After a trip to several South American countries, a middle-aged man becomes ill. He becomes anemic, loses weight, and runs a fever. The clinician notes a recently healed sore near his nose. Microscopic examination of a blood smear does not reveal anything other than the anemia. What parasitic infection is consistent with this scenario?
A. malaria B. leishmaniasis C. Chagas' disease D. giardiasis E. balantidiasis