Enzyme induction occurs
A) when the substrate is present.
B) when the organism is environmentally stressed.
C) continuously.
D) when the substrate is depleted.
Answer: A
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In parthenogenesis (select all correct choices):
A. unfertilized eggs develop into adults. B. adults may be haploid or diploid. C. adults may develop via mitosis or meiosis. D. the parent may be either maternal or paternal. E. eggs may be fertilized or unfertilized.
The movement of sucrose and H+ into the cell by a common membrane protein reflects transport through a
A. voltage-gated channel. B. mechanosensitive channel. C. uniporter. D. symporter. E. antiporter.
Which of the following statements regarding Clostridium difficile infection is incorrect?
A. It is the major cause of diarrhea in hospitals. B. It is a colitis that is a superinfection. C. It is associated with disruption of normal biota due to broad-spectrum antimicrobials. D. It is due to ingestion of contaminated, improperly stored, cooked meats and gravies.
Which of the following diseases causes a skin rash, hair loss, malaise, and fever?
A) gonorrhea B) syphilis C) NGU D) trichomoniasis E) genital herpes