Which of the following organelles produces and modifies polysaccharides that will be secreted?

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#Question id: 26954

#Unit 10. Ecological Principles

Which of the following characteristic of logistic growth is incorrect?

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#Question id: 214

#Unit 1. Molecules and their Interaction Relevant to Biology

Pyridoxal phosphate is involved in which type of reaction?

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#Question id: 24463

#Unit 7. System Physiology – Animal

A 56-year-old female was diagnosed with a tumor near the base of the skull, impinging on her optic tract. Which of the following statements about the central visual pathway is correct?

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#Question id: 29466

#Unit 6. System Physiology – Plant

EGTA [ethylene glycol-bis(b-aminoethyl ether) N,N,N′,N′-tetraacetic acid], a compound that can  

a. Introduce Ca2+ 

b. chelate Ca2+ 

c. prevents Ca2+ uptake by cells 

d. inhibits root gravitropism

Which of the following is correct

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#Question id: 1672

#Unit 4. Cell Communication and Cell Signaling

Using only random VDJ recombination, from 40 V, 23 D, and 6 J gene segments, what are the number of possible variable regions of an antigen receptor molecule?