Which of the following statements about the mouse is FALSE?
a. Its scientific name is Mus musculus.
b. Females give birth to offspring about three weeks after mating.
c. It has been used to disprove the "inheritance of acquired characters" hypothesis.
d. Knockout mice are those that carry a lethal allele.
e. Knockout mice are those that have a gene that is completely nonfunctional.
D
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Which of the following are photosynthetic bacteria?
A. The cyanobacteria B. The green bacteria C. The purple bacteria D. All of the choices are correct.
A new hormone is discovered. Tests reveal that it is small, hydrophilic, and degraded by a protease. What type of hormone is it?
A. peptide B. amino acid derivative C. steroid D. glucocorticoid E. prostaglandin
During cell reproduction, chromatin fibers coil up into structures called
A) ribosomes. B) lysosomes. C) chromosomes. D) nucleoli.
Each enzyme normally has specific pH and temperature optima at which they function best.
Answer the following statement true (T) or false (F)