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TLS Online TPP Program
#Question id: 6950
#Unit 5. Developmental Biology
In mammalian development, the embryo will form from which population of cells?
TLS Online TPP Program
#Question id: 27374
#Unit 13. Methods in Biology
An aqueous solution contains two compounds X and Y. This solution gave absorbance values of 1.0 and 0.4 at 220 and 280 nm, respectively, in a 1 cm path length cell. Molar absorption coefficients (ε) of the compounds X and Y are as shown in the table below.
The concentration of Y in the solution is___________ mM.
TLS Online TPP Program
#Question id: 10804
#Unit 6. System Physiology – Plant
Major types of alkaloids, their amino acid precursors, and well-known examples of each type;
|
Alkaloid class |
Biosynthetic precursor |
Examples |
|
A. Pyrrolidine |
i. Lysine |
a. Coniine |
|
B. Tropane |
ii. Ornithine |
b. Retrorsine |
|
C. Piperidine |
|
c. Lupinine |
|
D. Pyrrolizidine |
|
d. Nicotine |
|
E. Quinolizidine |
|
e. Atropine and Cocaine |
Which of the following combination from the given table is correct?
TLS Online TPP Program
#Question id: 16967
#Unit 11. Evolution and Behavior
Homoplasy,
TLS Online TPP Program
#Question id: 19003
#Unit 13. Methods in Biology
In Thin layer chromatography, the stationary phase is made of and the mobile phase is made of