An octapeptide composed of four repeating glycylalanyl units has:

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#Question id: 11373

#XL - S Microbiology

Which of the following obtain energy by oxidizing inorganic substances; energy that is used, in part, to fix CO2?

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#Question id: 15000

#XL - T Zoology

I do a chi square analysis of the offspring from my cross of a black mouse and albino mouse. If the black mouse was heterozygous I should have expected a 1:1 ratio, and I got 6 albino and 2 black mice. What is my chi square value?

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#Question id: 5592

#XL - T Zoology

The processes by which the three ectodermal regions are made physically and functionally distinct from one another is called:

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#Question id: 15673

#XL - S Microbiology

A urine sample with more than 100,000 organisms is considered indicative of infection. A urine sample containing 5,000 bacteria, with a generation time of 30 minutes, sits for 3 hours before finally being assayed. How many bacteria will then be present within the sample?

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#Question id: 17655

#XL - S Microbiology

In DNA isolation, for protein free solution what will be the ratio at  nm