TLS Online TPP Program

#Question id: 15527


CD4 and CD8 T cells leave the thymus and enter the circulation as resting cells in which stage of the cell cycle?

#Unit 4. Cell Communication and Cell Signaling
  1. G0 stage
  2. Late G1 stage
  3. S phase
  4. M phase
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TLS Online TPP Program

#Question id: 33521

#Unit 2. Cellular Organization

Operationally, we usually consider that two genes are orthologs if 

TLS Online TPP Program

#Question id: 29115

#Unit 8. Inheritance Biology

Given below, is the result of a complementation test for seven independent mutants (A to G). '+' represents complementation; '_' represents non complementation. Based on the above, which one of the following conclusions is correct


a) The mutations can be ordered in a three cistron as A-G-B-C-D-E-F

b) All mutations belong to a single cistron, but their order cannot be determined.

c) There are three cistrons, mutations A and G represent one cistron, B, C and D represent the second cistron and E and F represents the third cistron.

d) There are three linkage groups, mutations A and G  represent linkage group-I, B, C and D represent linkage group-II, and E and F represents linkage group-III

TLS Online TPP Program

#Question id: 990

#Unit 1. Molecules and their Interaction Relevant to Biology

Carbamoyl phosphate synthetase I is located in the ________ in eukaryotes and uses ________ as a nitrogen source.

TLS Online TPP Program

#Question id: 10960

#Unit 7. System Physiology – Animal

Why do some malnourished patients bleed excessively when injured?

TLS Online TPP Program

#Question id: 5447

#Unit 8. Inheritance Biology

Hydrangea plants of the same genotype are planted in a large flower garden. Some of the plants produce blue flowers and others pink flowers. This can be best explained by which of the following?