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

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#Question id: 13033

#XL - Q Biochemistry

The sample is then fractionated by electrophoresis through a _______. As all the proteins now have an _______ to mass ratio, they are separated on the basis of their _____.

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#Question id: 10127

#XL - Q Biochemistry

In higher plants, the multi-subunit protein supercomplex has two complete reaction centers and some antenna complexes. The core of the reaction center consists of two membrane proteins known as D1 and D2, Which contained a multi-subunit protein supercomplexes;

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#Question id: 4627

#XL - S Microbiology

Which of the following is not one of Charles Darwin's observations?

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#Question id: 4958

#XL - S Microbiology

What is true of the fossil record of mammalian origins?

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#Question id: 4594

#XL - S Microbiology

Which one of the following observations did Darwin first make during his discovery of evolution?