A. Replication Initiation require full methylation of the Dam target sites in the origin

B. Replication Initiation inhibited by hemimethylation of Dam target sites 

C. Replication Initiation inhibited by nonmethylation of Dam target sites 

D. An origin of nonmethylated DNA can function effectively

Choose true and false

TLS Online TPP Program

#Question id: 1869

#Unit 4. Cell Communication and Cell Signaling

Which of the following HIV antigens provides a potential target for neutralizing antibody?

TLS Online TPP Program

#Question id: 1870

#Unit 4. Cell Communication and Cell Signaling

Primary immunodeficiency producing susceptibility to infection by viruses and molds is caused by:

TLS Online TPP Program

#Question id: 1871

#Unit 4. Cell Communication and Cell Signaling

Deletions in the T-cell CD154 (CD40L) gene produce:

TLS Online TPP Program

#Question id: 1872

#Unit 4. Cell Communication and Cell Signaling

Which of the following have NOT provided examples of secondary immunodeficiency?

TLS Online TPP Program

#Question id: 1873

#Unit 4. Cell Communication and Cell Signaling

Mutations in the gene encoding which of the following most commonly results in severe combined immunodeficiency (SCID)?

TLS Online TPP Program

#Question id: 1874

#Unit 4. Cell Communication and Cell Signaling

Which of the following is the single immunodeficiency disease that most profoundly affects CD4-positive T-cells?