Barr bodies will
A. be formed in females only.
B. be formed in males only.
C. be formed in both males and females, depending on the number of X chromosomes possessed by an individual.
D. cause an increased production of X-linked gene products.
E. inactivate Xic on autosomes.
C. be formed in both males and females, depending on the number of X chromosomes possessed by an individual.
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Some microbial proteins are spliced after translation in a reaction that results in removal of one or more internal intervening sequences called exteins.
Answer the following statement true (T) or false (F)
You stumble upon an unidentified arthropod with no antennae and eight legs. This organism is likely closely related to _____.
A. grasshoppers B. ticks C. crayfish D. millipedes E. trilobites
A client has a serious case of the flu. A random sample of sputum was taken from the patient coughing up blood. The lab tech said they had isolated a bacterium that did not have any peptidoglycan. You hypothesize that the identity of this microbe could possibly be
A. Mycobacterium tuberculosis. B. Borrelia burghdorferi. C. Streptococcus pneumoniae. D. Mycoplasma pneumoniae. E. Staphylococcus aureus.
The Ames test is useful as a rapid screening test to identify those compounds that
A. will respond to chemical agents. B. are mutagens. C. respond to the deletion of DNases. D. will protect an organism from cancer. E. will respond to chemical agents AND will protect an organism from cancer.