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TLS Online TPP Program

#Question id: 8849

Humans can digest starch but not cellulose because

#Unit 9. Diversity of Life Forms
  1. the monomer of starch is glucose, while the monomer of cellulose is galactose.
  2. humans have enzymes that can hydrolyze the beta (β) glycosidic linkages of starch but not the alpha (α) glycosidic linkages of cellulose.
  3. humans have enzymes that can hydrolyze the alpha (α) glycosidic linkages of starch but not the beta (β) glycosidic linkages of cellulose.
  4. humans harbor starch-digesting bacteria in the digestive tract.
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TLS Online TPP Program

#Question id: 15444

#Unit 4. Cell Communication and Cell Signaling

Which is the Inhibitor of apoptosis proteins (IAPs) because of inhibition of XIAP it not able to bind with caspases, and retain in the cytosol;
TLS Online TPP Program

#Question id: 5813

#Unit 8. Inheritance Biology

Examples of environmental mutagens include:
TLS Online TPP Program

#Question id: 11970

#Unit 7. System Physiology – Animal

Why do the cells of the digestive system secrete proteolytic enzymes, such as pepsin, in their inactive forms?
TLS Online TPP Program

#Question id: 21241

#Unit 7. System Physiology – Animal

A 45-year-old female who had never needed to wear glasses experienced difficulty reading a menu in a dimly-lit restaurant. She then recalled that as of late she needed to have the newspaper closer to her eyes in order to read it. A friend recommended she purchase reading glasses. Visual accommodation involves
TLS Online TPP Program

#Question id: 15525

#Unit 4. Cell Communication and Cell Signaling

In the instructive model, TCR/CD4 and TCR/CD8 coengagement generates unique signals, if a thymocyte randomly generated a TCR with an affinity for MHC Class I. which thymocyte would bind with MHC class I?