What is the normal total delay of the cardiac impulse in the A-V node plus bundle?

TLS Online TPP Program

#Question id: 19044

#Unit 13. Methods in Biology

Which of the following techniques would be most useful to identify as well as quantify the presence of a known impurity in a drug substance? 

TLS Online TPP Program

#Question id: 23895

#Unit 13. Methods in Biology

Which technique separates nucleic acids (DNA and RNA) by molecular weight?

TLS Online TPP Program

#Question id: 23891

#Unit 13. Methods in Biology

Which of the following is (are) used both in the polymerase chain reaction (PCR) and in DNA sequencing?

a. single-stranded DNA primers

b. deoxynucleotide triphosphates (dNTPs)

c. dideoxynucleotide triphosphates (ddNTPs)

d. DNA polymerase

TLS Online TPP Program

#Question id: 23707

#Unit 13. Methods in Biology

Which of the following separates molecules by movement due to size and electrical charge?

TLS Online TPP Program

#Question id: 23706

#Unit 13. Methods in Biology

Which of the following cuts DNA molecules at specific locations?

TLS Online TPP Program

#Question id: 23705

#Unit 13. Methods in Biology

Which of the following is used to make complementary DNA (cDNA) from RNA?