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TLS Online TPP Program

#Question id: 11200

Action potentials are normally carried in only one direction: from the axon hillock toward the axon terminals. If you experimentally depolarize the middle of the axon to threshold, using an electronic probe, then ________.

#Unit 7. System Physiology – Animal
  1. no action potential will be initiated
  2. an action potential will be initiated and proceed only in the normal direction toward the axon terminal
  3. an action potential will be initiated and proceed only back toward the axon hillock
  4. two action potentials will be initiated, one going toward the axon terminal and one going back toward the hillock
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TLS Online TPP Program

#Question id: 32341

#Unit 2. Cellular Organization

Which of the following process is critical for the polarized, directed growth of the actin network that is responsible for unidirectional cell crawling and the intracellular motility of pathogens?
TLS Online TPP Program

#Question id: 2359

#Unit 2. Cellular Organization

 Sometimes smooth ER specializes in the production of ____ 
TLS Online TPP Program

#Question id: 14475

#Unit 13. Methods in Biology

Probability of getting tail in a throw of a coin is
TLS Online TPP Program

#Question id: 1527

#Unit 4. Cell Communication and Cell Signaling

Following are the six fundamental properties of malignant tumors. Which of these properties are amenable to study in a cell culture model of cancer?

(I) self-sufficiency in growth signals

(II) insensitivity to antigrowth signals

(III) evasion of apoptosis

(IV) limitless replicative potential

(V) sustained angiogenesis

(VI) tissue invasion and metastasis
TLS Online TPP Program

#Question id: 27029

#Unit 10. Ecological Principles

Regulation of population size modulated by