TLS Online TPP Program

#Question id: 13042


For analyzing DNA sequences, two techniques have been developed, one is _________ method frequently termed_________, involving the enzymatic synthesis of DNA and stopping the synthesis at specific nucleotides. While another technique, the __________ method of DNA sequencing developed by ___________ is often used for sequencing small fragments of DNA.

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology
  1. chemical cleavage, Sanger sequencing, enzymatic, Maxam and Gilbert
  2. chemical cleavage, Maxam and Gilbert, enzymatic, Sanger
  3. enzymatic, Sanger sequencing, chemical cleavage, Maxam and Gilbert
  4. enzymatic, Maxam and Gilbert, chemical cleavage, Sanger
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TLS Online TPP Program

#Question id: 1124

#Section 3: Genetics, Cellular and Molecular Biology

Which of the following is (are) intracellular second messengers?

a. Ca2+                        b. cAMP          c. epinephrine             

d. protein kinase A      e. protein kinase C

TLS Online TPP Program

#Question id: 1125

#Section 3: Genetics, Cellular and Molecular Biology

Examples of G protein–coupled receptors include

a. rhodopsin receptor.             b. β-adrenergic receptor.

c. insulin receptor.                   d. acetylcholine receptor.

TLS Online TPP Program

#Question id: 1126

#Section 3: Genetics, Cellular and Molecular Biology

Which of the following statement(s) is (are) true of the α subunit of a G protein?

a. It physically associates with the receptor.              

b. It binds GDP.

c. It binds GTP.                     

d. It is a transmembrane protein.

TLS Online TPP Program

#Question id: 1127

#Section 3: Genetics, Cellular and Molecular Biology

Which of the following steps does not occur after acetylcholine binds to the muscarinic acetylcholine receptor in heart muscle cells?

TLS Online TPP Program

#Question id: 1128

#Section 3: Genetics, Cellular and Molecular Biology

During the epinephrine stimulated conversion of glycogen to glucose 1-phosphate, which of the following steps involves protein phosphorylation?

a. inactivation of glycogen synthase               b. activation of protein kinase A

c. activation of adenylyl cyclise                      d. activation of glycogen phosphorylase

TLS Online TPP Program

#Question id: 1129

#Section 3: Genetics, Cellular and Molecular Biology

Which of the following plays a role in the relaxation of smooth muscle cells by nitric oxide?

a. cGMP          b. protein kinase A      c. protein kinase G      d. guanylyl cyclise