A DNA molecule used to carry a foreign gene into a host organism is called a
A. plasmid.
B. probe.
C. vector.
D. blot.
Answer: C
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Ribosomes are organelles that are involved in ____
a. plasma membrane selectivity b. cellular energy production c. protein synthesis d. transport of materials e. DNA replication
Synthesis of a repressible enzyme is inhibited by
A. substrate bound to repressor. B. corepressor and repressor binding to operator. C. repressor alone bound to operator. D. substrate bound to promoter.
A symbiotic relationship in which both the microorganism and the host benefit is called:
A. commensal. B. mutualistic. C. parasitic. D. virulent
How do inpatients differ from outpatients?
A) Inpatients have internal pain, whereas outpatients have outside wounds. B) Inpatients are admitted to a hospital for at least one night. C) Inpatients cannot wait for a doctor patiently. D) Inpatients have an infectious disease.