Alcohols are among the most widely used disinfectants and antiseptics. They act by 

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#Question id: 28409

#Unit 5. Developmental Biology

Which of the following organizer proteins that involve inhibiting the Wnt proteins during gastrulation?

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#Question id: 1438

#Unit 4. Cell Communication and Cell Signaling

The first line of defense against point mutations is:

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#Question id: 14508

#Unit 13. Methods in Biology

There are three events A, B and C, one of which must occur and only one can happen, the odds are 8 to 3 against A, 5 to 2 against B; find the probability of C.

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#Question id: 29449

#Unit 6. System Physiology – Plant

It is very important to maintaining low O₂ concentrations in nodules, and it maintained by various ways

(a) With the help of parenchyma

(b) With the help of Lb

(c) Bacterial respiration as O₂ sink

(d) With the help of sclerenchyma

Which of the following is true regarding to maintain low O₂ concentrations

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#Question id: 18718

#Unit 13. Methods in Biology

What does an E.Coli genomic library contain?