What role do ddNTPs have in Sanger sequencing?

In the gel below, the DNA in Lane 1 is approximately

A mutation (AGT) was introduced into the protein-coding gene below. What primers were used to introduce this mutation? 5’-AACGAGAATGGCAAGTATGACAGATTTGAC-3’ 

Guanidium isothiocyanate is used when purifying RNA in order to 

What primers would you design to amplify the following sequence of DNA? 5’-AGCAGTTGAGCAGTTGAGTACTTAGGCCTGCAGTGTACTTAG-3’

Which technique uses enzymes naturally involved in unwinding DNA, and has potential in hand-held PCR devices?

Women of reproductive age who have obesity or take anti-epileptic agents should be counseled to take how much folic acid daily at least 3 months prior to conception through the first 12 weeks of pregnancy?

Which is FALSE regarding phenotypic screening?

The gel below shows a paternity test using VNTRs. Which DNA sample is from the child’s true father?

Which is a principle the nurse-midwife will use prior to prescribing an antimicrobial medication to a woman with an infection?