Which statement is true about strain a?
Consider the pathway for the synthesis of the amino acid arginine in Neurospora:
Mutant strains of Neurospora may carry one or more mutations. Neurospora mutant strain a is grown on minimal media plus supplements as shown. Growth is shown by (+) and no growth is shown by (o). Growing strain a cells accumulate citrulline.
A) It has one mutation in ARG-H.
B) It has two mutations, one in ARG-F and one in ARG-H.
C) It has two mutations, one in ARG-E and one in ARG-H.
D) It has two mutations, one in ARG-E and one in ARG-F.
E) It has mutations in ARG-E, ARG-F, and ARG-H.
B) It has two mutations, one in ARG-F and one in ARG-H.
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An acceptable specimen for anaerobic culture is:
a. nasopharyngeal swab. b. tissue obtained at biopsy. c. small bowel contents. d. catheterized urine.
The presence of cytoplasmic membrane-bound organelles is characteristic of ____
a. Archaea only b. Bacteria only c. both Archaea and Bacteria d. neither Archaea nor Bacteria e. Achaea, Bacteria and Eukarya
Delivery of bile into the small intestine causes the
__________ of fats, breaking them into smaller, more easily digested droplets. Fill in the blank(s) with the appropriate word(s).
ATP is a type of nucleotide
__________________ Indicate whether the statement is true or false.