Practice Questions

  1. Home
  2. Free Resources
  3. Practice Questions
  4. 56010
TLS Online TPP Program

#Question id: 11205

What would probably happen if a long neuron had one continuous myelin sheath down the length of the axon with no nodes of Ranvier?

#Unit 7. System Physiology – Animal
  1. The action potential would be propagated nearly instantaneously to the synapse.
  2. There could be no action potential generated at the axon hillock.

  3. The signal would fade because it is not renewed by the opening of more sodium channels.

  4. Only potassium could move across the membrane, but not sodium.
More Questions
TLS Online TPP Program

#Question id: 10127

#Unit 6. System Physiology – Plant

In higher plants, the multi-subunit protein supercomplex has two complete reaction centers and some antenna complexes. The core of the reaction center consists of two membrane proteins known as D1 and D2, Which contained a multi-subunit protein supercomplexes;
TLS Online TPP Program

#Question id: 19033

#Unit 9. Diversity of Life Forms

Microphylls are characteristic of which types of plants? 
TLS Online TPP Program

#Question id: 12700

#Unit 7. System Physiology – Animal

A young man is found comatose, having taking an unknown number of sleeping pills an unknown time before. An arterial blood sample yields the following values: pH = 7.02, HCO3− = 14 mEq/L, and PCO2 = 68 mm Hg. This patient’s acid–base status is most accurately described as
TLS Online TPP Program

#Question id: 3863

#Unit 3. Fundamental Processes

Introns in nuclear pre-mRNAs are excised by:
TLS Online TPP Program

#Question id: 4990

#Unit 11. Evolution and Behavior

Fly species W, found in a certain part of the island, produces fertile offspring with species Y. Species W does not produce fertile offspring with species X or Z. If no other species can hybridize, then species W and Y