Which of the following is transmembrane proteins?

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#Question id: 264

#Section 2: General Biology

Supercoiling of pure circular DNA is a result of ________.

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#Question id: 1916

#Section 2: General Biology

 Which of the following is an example of a known oncogenic virus?

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#Question id: 13102

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

 With the help of DNA fingerprinting which can be used to determine paternity. There are three babies (Baby A, Baby B and Baby C) in a maternity ward, and three sets of confused and worried parents. (Father and Mother #1 are a couple, as are Father and Mother #2, and Father and Mother #3.) 

You do each PCR reaction and load each one into a separate well of an agarose gel, and then run the gel.

 

 Why is it that having more repeats leads to a band that is higher in the gel?

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#Question id: 14360

#Section 5: Bioprocess Engineering and Process Biotechnology

1 pg of an enzyme (Mr 160 000) converts 0.192 pmol/min. This enzyme is made up of four subunits. Calculate turnover number 

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#Question id: 231

#Section 2: General Biology

Another name for α-tocopherol is vitamin ________.