TLS Online TPP Program
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TLS Online TPP Program
#Question id: 27067
#Unit 1. Molecules and their Interaction Relevant to Biology
Choose the correct statement regarding the stereochemistry of amino acid
1. 16 amino acid except (Thr, Ile, Cys, Gly) L Fischer projection is equal to S and D is equal to R configuration
2. Thr, Ile is special case because of two chiral center exist in L – Ile/Thr – 2S,3R and D-Ile/Thr–2R,3S configuration
3. Cys exiest in L- Cys – R & D- Cys – S configuration
4. Gly is optically inactive
TLS Online TPP Program
#Question id: 15382
#Unit 8. Inheritance Biology
In a group of fruit flies homozygous for an allele that causes a reduced number of thoracic bristles, you notice that the number of bristles varies from about half the normal number to only a few bristles. This is an example of which of the following?
TLS Online TPP Program
#Question id: 4593
#Unit 11. Evolution and Behavior
Which of Darwin's ideas had the strongest connection to his reading of Malthus's essay on human population growth?
TLS Online TPP Program
#Question id: 7115
#Unit 5. Developmental Biology
The ability of the sea urchin embryo to regulate its development illustrates the fact that there are maternally-determined differences along the animal-vegetal axis that are necessary for normal development. Which of the following statements about regulation in sea urchin embryos is consistent with that fact?
TLS Online TPP Program
#Question id: 12195
#Unit 6. System Physiology – Plant
Which one of the following is function as endogenous regulators of polar auxin transport?