TLS Online TPP Program

#Question id: 18995


Which of the following is not a characteristic of the syringe pump used in high pressure liquid chromatography?

#Unit 13. Methods in Biology
  1. Pressure capability is high
  2. Maintenance is frequent
  3. Limited reservoir capability
  4. Slight change of flow rate when extremely high pressure compresses the solvent
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TLS Online TPP Program

#Question id: 12277

#Unit 7. System Physiology – Animal

A 45-year-old man adds lots of high-fiber wheat and bran foods to his diet to reduce his cholesterol. He loses 30 lb on the new diet, but has undesirable side effects such as stomach cramps, flatulence, and diarrhea. His gastroenterologist diagnoses a syndrome called gluten-enteropathy or celiac sprue. Which of the following is decreased in this man?

TLS Online TPP Program

#Question id: 6990

#Unit 5. Developmental Biology

Insects such as Drosophila undergo three molts before becoming a pupa and undergoing metamorphosis. Molting, which is also called 'ecdysis', is controlled by what hormone?

TLS Online TPP Program

#Question id: 20969

#Unit 12. Applied Biology

Which of the following is the process of choosing parent organisms for the characteristics that is wanted in their offspring?

TLS Online TPP Program

#Question id: 28538

#Unit 5. Developmental Biology

A type of transmembrane protein whose intracellular kinase activity is activated by binding of specific ligands to the extracellular leucine rich receptor domain, known as___

TLS Online TPP Program

#Question id: 12509

#Unit 8. Inheritance Biology

In this pedigree I 1 and II 2 have Becker muscular dystrophy which shows X-linked recessive inheritance. III 2 has oculocutaneous albinism which shows autosomal recessive inheritance with an incidence in the general population of 1 in 10 000. The disease status for both Becker muscular dystrophy and oculocutaneous albinism is unknown for IV 1 and IV 2.
What is the probability that IV 1 is a carrier of oculocutaneous albinism?