Archibald Garrod's evaluations of alkaptonuria (black urine in patients) led him to conclude:
A. a mutation can result in a nonfunctional enzyme.
B. enzymes are required for biochemical pathways.
C. this defect is sex-linked and recessive.
D. disjunction can result in a nonfunctional enzyme.
A
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The long, thread-like branching cells of molds are called ________.
A. hyphae B. septa C. pseudohyphae D. conidiophores E. asci
The change in the developmental fates of different
cell lineages in response to signals from adjacent tissues is a. contact inhibition. b. ooplasmic localization. c. embryonic induction. d. pattern formation. e. all of these.
The only division of Fungi that contains human pathogens is the Deuteromycota.
Answer the following statement true (T) or false (F)
As magnification increases what happens to the field of vision (FOV) of the microscope?
a. FOV increases b. FOV decreases c. Nothing d. Magnification is altered