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TLS Online TPP Program

#Question id: 12221

Juvenile (type I) diabetes mellitus is often diagnosed because of polyuria (high urine flow) and polydipsia (frequent drinking) that occur because of which of the following?

#7. System Physiology – Animal
  1. Increased delivery of glucose to the collecting duct interferes with the action of antidiuretic hormone
  2. Increased glomerular filtration of glucose increases Na+ reabsorption via the sodium-glucose co-transporter
  3. When the filtered load of glucose exceeds the renal threshold, a rising glucose concentration in the proximal tubule decreases the osmotic driving force for water reabsorption
  4. High plasma glucose concentration decreases thirst
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TLS Online TPP Program

#Question id: 5027

#11. Evolution and Behavior

Fossil evidence indicates that the following events occurred in what sequence, from earliest to most recent?

1. Protostomes invade terrestrial environments.

2. Cambrian explosion occurs.

3. Deuterostomes invade terrestrial environments.

4. Vertebrates become top predators in the seas.
TLS Online TPP Program

#Question id: 19213

#12. Applied Biology

In Agrobacterium tumefaciens Crown gall formation is the consequence of
TLS Online TPP Program

#Question id: 10145

#6. System Physiology – Plant

The transfer of a phosphoryl group to 3-phosphoglycerate, yielding formation of 1,3-bisphosphoglycerate is catalyze by
TLS Online TPP Program

#Question id: 299

#1. Molecules and their Interaction Relevant to Biology

Which bond acts like a bridge two molecules formed by a covalent bond?
TLS Online TPP Program

#Question id: 4974

#11. Evolution and Behavior

Which of these is the most likely explanation for the modern-day distribution of dicynodont fossils?