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#Question id: 7499
#General Aptitude
Two trains, one from A to B and the other from B to A, start simultaneously. After theymeet, the trains reach their destinations after 4 h and 9 h respectively. The ration of their speeds is
TLS Online TPP Program
#Question id: 30086
#Unit 2. Cellular Organization
Which one of the following is the correct match between below mentioned options?
TLS Online TPP Program
#Question id: 3921
#Unit 3. Fundamental Processes
Which observation is not evidence that supports the theory that mitochondria and chloroplasts originate from symbiotic bacteria?
TLS Online TPP Program
#Question id: 3653
#Unit 3. Fundamental Processes
Cyclobutane pyrimidine dimers are formed by -------------from adjacent pyrimidines on one strand by cyclization of the double-bonded C5 and C6carbon atoms of each base to give a cyclobutane ring.
TLS Online TPP Program
#Question id: 14839
#Unit 5. Developmental Biology
Given are certain facts which define ‘specification’ of a developing embryo.
A. At the specification stage, commitment to cell identity is labile.
B. At the specification stage, cell is capable of differentiating autonomously.
C. The cell “knows” very early what it is to become without interacting with other cells.
D. A phase where inductive signals trigger cell to determines their fate.
Which of the above statements best define specification?