Which is usually true of bacteria?
A. They are found as rods, spheres, or spirals.
B. They reproduce by binary fission.
C. They contain rigid cell walls made of peptidoglycan.
D. They are found as single cells.
E. All of the choices are correct.
E
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Which of the following RNA products are least likely to be synthesized by RNA polymerase II eukaryotic cells?
A. noncoding RNAs B. microRNA C. mRNA D. tRNA E. None of the choices given is a RNA polymerase II product.
One way an autoimmune disorder can arise is if
A) a person encounters an immunodeficiency virus. B) a person inhales an allergen. C) a nonself antigen coincidentally resembles a self antigen. D) too many T cells die in the thymus.
The ____________________ provides protection from discrimination based on one's genetic information. Fill in the blank(s) with the appropriate word(s)
In general, the main goal of cloning is to include as many different genes as possible in a single cloning vector
Indicate whether the statement is true or false