TLS Online TPP Program

#Question id: 12229


Community ecologists would consider which of the following to be most significant in understanding the structure of an ecological community?

#Unit 10. Ecological Principles
  1. Determining how many species are present overall
  2. Which particular species are present
  3. The kinds of interactions that occur among organisms of different species
  4. All of the above
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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

TLS Online TPP Program

#Question id: 33362

#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 have changed pI as compared to HbA

TLS Online TPP Program

#Question id: 33363

#Unit 1. Molecules and their Interaction Relevant to Biology

An antibody binds to an antigen with a Kd of 5 X10-8 M. At what concentration of antigen will θ be 0.2

TLS Online TPP Program

#Question id: 33364

#Unit 1. Molecules and their Interaction Relevant to Biology

An antibody binds to an antigen with a Kd of 5 X10-8 M. At what concentration of antigen will θ be 0.5

TLS Online TPP Program

#Question id: 33365

#Unit 1. Molecules and their Interaction Relevant to Biology

An antibody binds to an antigen with a Kd of 5 X10-8 M. At what concentration of antigen will θ be 0.6

TLS Online TPP Program

#Question id: 33366

#Unit 1. Molecules and their Interaction Relevant to Biology

An antibody binds to an antigen with a Kd of 5 X10-8 M. At what concentration of antigen will θ be 0.8