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TLS Online TPP Program

#Question id: 1720

Which of the following statements is TRUE of lymphocytes?

#SCPH05 I Biotechnology

  1. Lymphocytes enter the tissues and remain there for the rest of their life

  2. When mature, lymphocytes are only found in secondary lymphoid organs

  3. Lymphocytes recirculate between blood and lymphoid tissues

  4. Lymphocytes are only educated in the thymus

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TLS Online TPP Program

#Question id: 7761

#SCPH28 | Zoology

Correct sets of genes are well known to be involved in aging and its prevention, and each set appears to be conserved between phyla and even kingdoms. 
a. DNA repair enzymes
b. proteins of the insulin signaling pathway
c. proteins in the mTORC1 signaling pathway
d. chromatin remodeling enzymes
TLS Online TPP Program

#Question id: 1698

#SCPH01 Biochemistry

An example of a “non-classical” MHC molecule is:
TLS Online TPP Program

#Question id: 3003

#SCPH28 | Zoology

Which statement best characterizes the behavior of a bacterial culture during EXPONENTIAL GROWTH?
TLS Online TPP Program

#Question id: 4347

#SCPH28 | Zoology

According to the lac operon model proposed by Jacob and Monod, what is predicted to occur if the operator is removed from the operon?
TLS Online TPP Program

#Question id: 670

#I Life Science/ Life Sciences Group – I-V

The distance along a helix axis for one complete turn is called the ________.