Sodium (Na), atomic number 11, has a tendency to lose an electron in the presence of chlorine. After losing the electron, Na has ________ protons in its nucleus
A) 11 B) 10 C) 22 D) 21 E) 12
A
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The technique of transferring proteins from SDS-PAGE gels onto a membrane and using labeled antibodies to identify particular proteins is known as ________
Fill in the blank with correct word.
The virulence factor in Vibrio parahaemolyticus is the thermostable hemolysin (Kanagawa hemolysin).
a. true b. false
What does the following figure illustrate? (Each dot represents a pair of Drosophila species)
A. The strength of prezygotic isolation increases more rapidly between sympatric pairs of species than it does between allopatric pairs B. Drosophila species are more likely to diverge in sympatric distributions C. Genetic distance is greater in allopatrically speciating lineages D. Reinforcement of genetic reproductive isolation is more of a factor in speciation between allopatric than sympatric pairs
The correct sequence of sound waves in the ear is ________
A) eardrum > stapes > incus > malleus > inner ear B) auditory tube > incus > malleus > stapes > eardrum C) stapes > eardrum > malleus > oval window D) malleus > incus > stapes > oval window