Empirical evidence is
A. gained from observation of an event.
B. derived from literature.
C. developed from conclusions.
D. formulated from empirical rules.
A. gained from observation of an event.
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The conversion of cytosine to uracil in DNA is an example of _____
A. Depurination B. Tautomeric shifts C. Deamination D. Demethylation
Sperm cells are indicated by the letter ____
a. A b. B c. C d. D e. E
Because of its location in the electron transfer
chain, delivery of electrons to each NADH results in ____ ATPs. a. 4 b. 2 c. 3 d. 32 e. 0
The mutation labeled 1 to the far right in Figure 17-2 is:
a. legs developing where antenna should be.
b. appendages of the eyes.
c. enlarged antennae.
d. newly formed structures to remove pollen or dust from the eyes.
e. a revision of the fly body so that legs and antenna have switched places.