A wild-type fruit fly:
A. exhibits a mutant phenotype.
B. exhibits the most common phenotype in
the population.
C. exhibits a phenotype that marks it as a
party animal.
D. expresses a large proportion of
homozygous recessive alleles.
E. will most likely have white eyes.
B
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What will be an ideal response?
The nervous system of fish includes:
a. olfactory pits. b. taste receptors. c. eyes. d. otoliths. e. all of the above.
The enzyme associated with the influenza virus that hydrolyzes the protective mucous coating of the respiratory tract is
A. neuraminidase. B. kinase. C. reverse transcriptase. D. catalase. E. hyaluronidase.
Who provided X-ray diffraction photographs of purified DNA fibers that suggested a helical structure with a consistent diameter of about 2 nm and a complete helical turn every 3.4 nm?
A. Hershey and Chase B. Watson and Crick C. Chargaff D. Franklin