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TLS Online TPP Program

#Question id: 3426

Fitness of three different genotypes is given in population I and II, under natural selection which of the following statement are correct?

#Unit 11. Evolution and Behavior

  1. In population I selection against recessive allele A2 while population II selection against dominant allele A2

  2. In population I selection against dominant allele A1 while population II selection against recessive allele A1

  3. In population I selection against recessive allele A1 while population II selection against dominant allele A1

  4. In population I A1 allele increases while Population II A2 allele increases

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TLS Online TPP Program

#Question id: 23318

#Unit 1. Molecules and their Interaction Relevant to Biology

When you are mal-treated in your class as a new-comer then how will deal with the students?
TLS Online TPP Program

#Question id: 20272

#Unit 7. System Physiology – Animal

The factors that stimulate or inhibit the secretion of ADH by the posterior pituitary are:
a. Pain, nausea, hypoglycemia, and various drugs all inhibit the secretion of ADH. 
b. Pain, nausea, hypoglycemia, and various drugs all stimulate the secretion of ADH. 
c. Ethanol, α-adrenergic agonists, and atrial natriuretic peptide inhibit secretion of ADH.
d. Nicotine, opiates, antineoplastic agents stimulate the secretion of ADH. 
Which one of the following combinations of above statements is correct?
TLS Online TPP Program

#Question id: 5753

#Unit 8. Inheritance Biology

A bacterial histidine mutant was plated on minimal medium and a single colony grew. You decide to sequence the histidine biosynthetic gene of the revertant and discover that the original mutation is still present.  This colony must have been able grow due to a
TLS Online TPP Program

#Question id: 3679

#Unit 3. Fundamental Processes

A mutation in an E. coli cell becomes active half-way through a round of replication. The cell completes the round of replication normally but then cannot start a second round. Which protein could be mutated?
TLS Online TPP Program

#Question id: 10955

#Unit 7. System Physiology – Animal

A 2-year-old boy bruises easily and has previously had bleeding gums. The maternal grandfather has a bleeding disorder. His physical examination shows several small bruises on the legs. Of which coagulation factor would you suspect this patient to be deficient?