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TLS Online TPP Program

#Question id: 4707

For which one of the following observations were both Lamarck's hypothesis and Darwin's hypothesis in complete agreement?

#Unit 11. Evolution and Behavior

  1. Use and disuse of organs determines their size in progeny.

  2. Gradual evolutionary change explains why organisms are well-suited to their environments.

  3. Acquired characteristics are inherited.

  4. More complex species are descended from less complex species.

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TLS Online TPP Program

#Question id: 20995

#Unit 12. Applied Biology

Substituent group addition to toluene was not a single attack by succinyl-coa, but two separate reactions involving two molecules of acetyl-coa to give rise to the 
TLS Online TPP Program

#Question id: 28933

#Unit 7. System Physiology – Animal

Posterior pituitary releasing hormones is__
TLS Online TPP Program

#Question id: 30118

#Unit 1. Molecules and their Interaction Relevant to Biology

The following enzymes are involved in the catabolism of AMP to uric acid. The correct order of their use is:

1. A deaminase
2. A nucleoside phosphorylase
3. A nucleotidase
4. Xanthine oxidase
TLS Online TPP Program

#Question id: 5293

#Unit 8. Inheritance Biology

The two strains a and b are tested for being auxotrophic for the following nutritional mutations: pyridoxine (pdx), biotin (bio), methionine (met), adenine (ade), and para-aminobenzoic acid (pab). Growth is indicated by ( + ) and lack of growth by ( - ). From these tests, what is genotype of strain a and b respectively (+ indicate prototroph while other auxotroph)? 
TLS Online TPP Program

#Question id: 15391

#Unit 5. Developmental Biology

In the initiation of the vertebrate eyes, paired regions of the brain bulge out and approach the anterior region of -------germ layer: