You are using genetic engineering to design a protein that needs to be synthesized in the cytoplasm and then localized in the nucleus of the cell. To accomplish this, one could add
A) a nuclear localization signal into the DNA that will be present in the mature protein.
B) the compound during mitosis, at a time when the nuclear membrane is dispersed.
C) a nucleotide or few nucleotides to the protein.
D) a series of specific polysaccharides to the carboxyterminal end of the protein.
E) all of the above
A) a nuclear localization signal into the DNA that will be present in the mature protein.
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Multidrug therapy is always used when a patient is diagnosed as having:
A) an infection caused by MRSA. B) diphtheria. C) strep throat. D) tuberculosis.
__________ is the medical term for giving birth to an offspring.
B) blastocyst.
Formation of a tetraploid plant species from two different diploid parental species of plants is an example of
A. punctuated equilibrium. B. gradualism. C. extinction. D. a postzygotic barrier to evolution. E. a prezygotic barrier to evolution.
Which statement is true?
A) Sharks have a skeleton made of bone, while ray-finned fishes have flexible skeletons made of cartilage. B) Ray-finned fishes have a skeleton made of bone, while sharks have flexible skeletons made of cartilage. C) Sharks have a series of rod-shaped bones in their muscular pectoral and pelvic fins, while lobe-fins have flexible skeletons made of cartilage.