During which phase would penicillin, an antibiotic that inhibits cell-wall synthesis, be most effective?

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#Question id: 2065

#Unit 2. Cellular Organization

Which of the following are least likely to diffuse through the phospholipid bilayer of a cell membrane?

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#Question id: 31

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following is the pair of enantiomers from the following substance? 

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#Question id: 321

#Unit 1. Molecules and their Interaction Relevant to Biology

Water clustered about nonpolar molecules contribute to hydrophobic interactions because

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#Question id: 10688

#Unit 10. Ecological Principles

For two species A and B in competition, the carrying capacities, competition coefficients, per capita growth rate and population size are

KA = 1000           KB = 1200    α of B= 1     β of A= .5       rB= .5         r A= .3                

AN= 500                  BN= 200

According to the Lotka-Volterra model, what is growth rate of species A?

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#Question id: 27640

#Unit 1. Molecules and their Interaction Relevant to Biology

Which of the following is most suitable pH range for polyaspartic acid and polyglutamic acid to form a-helical structures spontaneously