Most dinosaurs and pterosaurs become extinct at the close of the __________ era.

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#Question id: 33479

#Unit 2. Cellular Organization

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#Question id: 1171

#Unit 4. Cell Communication and Cell Signaling

Which of the following receptors binds TGFβ?

TLS Online TPP Program

#Question id: 33361

#Unit 1. Molecules and their Interaction Relevant to Biology

a. Hb Cowtown: eliminates an ion pair involved in T-state stabilization

b. Hb Milwaukee: substitutes a Glu for a Val

c. Hb Providence: substitutes an Asn for a Lys that normally projects into the central cavity of the tetramer

d. Hb Philly: substitutes a Phe for a Tyr,

Which Hb variant will not bind to BPG

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#Question id: 27980

#Unit 1. Molecules and their Interaction Relevant to Biology

The proton-motive force has 

a. chemical potential energy due to proton-proton repulsion

b. chemical potential energy due to H+ difference in the two regions separated by the membrane 

c. electrical potential energy H+ difference in the two regions separated by the membrane 

d. electrical potential energy due to proton-proton repulsion

Which of the following is true

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#Question id: 10960

#Unit 7. System Physiology – Animal

Why do some malnourished patients bleed excessively when injured?