Mupirocin is used as a pre-operative measure to reduce microbial infection. This drug inhibits the function of isoleucyl-tRNA synthetase in bacteria, thereby directly blocking_______
a) transformation
b) DNA replication
c) transcription
d) translation
Answer: d) translation
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______, independent circular DNA fragments, are essential to the process of molecular cloning.
a. Plasmids b. Restriction enzymes c. DNA polymerase d. Recombinant DNA
The homeostatic interaction between the endocrine system and which other system is demonstrated by
the hypothalamus regulating the release of sex hormones? a. circulatory system b. reproductive system c. digestive system d. muscular system e. urinary system
Genetic testing is typically done with blood samples, yet red blood cells (erythrocytes) are anucleate (lack nuclei) and are thus devoid of DNA. How, then, are these tests done?
What will be an ideal response?
Axonemal microtubules are
A) dynamically unstable. B) anchored on basal bodies. C) randomly oriented in the axoneme. D) required to maintain axons. E) involved in intracellular organelle transport.