Alkylating agents are electrophilic chemicals which readily add alkyl groups to various positions on nucleic acids. A common example is:

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#Question id: 344

#I Life Science/ Life Sciences Group – I-V

The partial negative charge at one end of a water molecule is attracted to the partial positive charge of another water molecule. What is this attraction called?

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#Question id: 10344

#I Life Science/ Life Sciences Group – I-V

Some of the following caracteristics of Nitrite reductase, which one of the is incorrect?

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#Question id: 12911

#I Life Science/ Life Sciences Group – I-V

Match the following:

A. DNA polymerases              i. Alkaline phosphatase        a.RNA-dependent DNA polymerase, used in cDNA synthesis

B. Reverse transcriptase        ii. T4 DNA ligase                    b. Thermostable DNA polymerase used in PCR

C. Ligases                                 iii.  AMV-RT                            c. Removes 5′-phosphates from DNA and RNA

D. Phosphatases                     iv. Taq DNA pol                      d. Links 5′-phosphate and 3′-hydroxyl ends via phosphodiester bond

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#Question id: 10991

#SCPH06 I Botany

When recording lead I on an EKG, the right arm is the negative electrode, and the positive electrode is the

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#Question id: 4141

#SCPH05 I Biotechnology

Bacterial ribosomes: