Transformation is the transfer of DNA from a donor to a recipient cell

A) by sexual reproduction.
B) by a bacteriophage.
C) by crossing over.
D) by cell-to-cell contact.
E) as naked DNA in solution.


E) as naked DNA in solution.

Biology & Microbiology

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The following will increase the rate of reaction:

A. free energy of product lower than that of substrate B. free energy of product lower than that of transition state C. interactions between atoms during the transition state D. enzyme complementary to substrate E. number of covalent groups combining with substrate during the reaction

Biology & Microbiology

The main limitation of a drug that treats disease by altering chromatin remodeling is that

A) the changes would be passed on to daughter cells. B) it would change the number of copies of a gene that people inherit. C) it would change the expression of many other genes. D) the changes would be epigenetic.

Biology & Microbiology

An induration of less than 5mm in the Mantoux test is negative for TB.

Answer the following statement true (T) or false (F)

Biology & Microbiology

The presences of different genes for several types of hemoglobin in mammals, but not in sharks and

many other vertebrates, is evidence of ____ of genetic material.

a. an inversion b. duplication c. reciprocal translocation d. deletion e. both duplication and deletion

Biology & Microbiology