A cell does not want to waste energy synthesizing the amino acid arginine if arginine is present in its diet. Therefore, when arginine is present, it activates a repressor protein to prevent transcription of genes that code for enzyme to make arginine. This is an example of what type of regulation?

TLS Online TPP Program

#Question id: 10955

#SCPH28 | Zoology

A 2-year-old boy bruises easily and has previously had bleeding gums. The maternal grandfather has a bleeding disorder. His physical examination shows several small bruises on the legs. Of which coagulation factor would you suspect this patient to be deficient?

TLS Online TPP Program

#Question id: 10956

#I Life Science/ Life Sciences Group – I-V

The coagulation pathway that begins with tissue thromboplastin is

TLS Online TPP Program

#Question id: 10956

#SCPH28 | Zoology

The coagulation pathway that begins with tissue thromboplastin is

TLS Online TPP Program

#Question id: 10957

#I Life Science/ Life Sciences Group – I-V

Which of the following would most likely be used for prophylaxis of transient ischemic heart attack?

TLS Online TPP Program

#Question id: 10957

#SCPH28 | Zoology

Which of the following would most likely be used for prophylaxis of transient ischemic heart attack?

TLS Online TPP Program

#Question id: 10958

#I Life Science/ Life Sciences Group – I-V

Which of the following would be appropriate therapy for massive pulmonary embolism?