48S pre initiation complex is

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#Question id: 9177

#Unit 9. Diversity of Life Forms

Which of the following statements regarding turnover in a lake is correct?

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#Question id: 18075

#Unit 13. Methods in Biology

At high salt concentrations, the mRNA containing poly(A) tails binds to the complementary oligo(dT) molecules of the affinity column, and so, mRNA will be retained; all other RNA molecules can be washed through the column by further high salt solution. finally, the bound mRNA can be eluted by using

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#Question id: 2060

#Unit 2. Cellular Organization

An animal cell lacking carbohydrates on the external surface of its plasma membrane would likely be impaired in which function?

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#Question id: 30098

#Unit 1. Molecules and their Interaction Relevant to Biology

The following enzymes are involved in the catabolism of AMP to uric acid. The correct order of their use is:

1. A deaminase

2. A nucleoside phosphorylase

3. A nucleotidase

4. Xanthine oxidase

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#Question id: 5577

#Unit 5. Developmental Biology

Totipotency is a term used to describe a cell's ability to give rise to a complete new organism. In plants, this means that ________.