What is the function of a polynucleotide kinase?

TLS Online TPP Program

#Question id: 14886

#Unit 4. Cell Communication and Cell Signaling

Secondary lymphoid organ provide sites where lymphocytes encounter antigen, become activated, and undergo clonal expansion and differentiation into effector cells, include

a) spleen

b) lymph node

c) mucosa-associated lymphoid tissue

Which of the following are the effector cells of secondary lymphoid organ?

TLS Online TPP Program

#Question id: 5649

#Unit 5. Developmental Biology

From earliest to latest, the overall sequence of early development proceeds in which of the following sequences?

TLS Online TPP Program

#Question id: 28724

#Unit 2. Cellular Organization

The small GTPases in vesicle formation is in the pinching off of a completed vesicle from the parent membrane; 

I- Sar1 GTPase

II- ARF GTPase

III- Dynamin GTPase

a-COPI vesicles

b-clathrin-coated vesicles

c-COPII vesicles

find the correct matches GTPases to drives the pinching off vesicles?

TLS Online TPP Program

#Question id: 5762

#Unit 8. Inheritance Biology

An individual cell homozygous for a mutant allele of the gene for a human enzyme contains no detectable activity for that enzyme. The mutation is best described as

TLS Online TPP Program

#Question id: 1985

#Unit 4. Cell Communication and Cell Signaling

Which of the following is the last line of defense against an extracellular pathogen?