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TLS Online TPP Program

#Question id: 1054

During attachment of phage to E. coli, the phage

#Unit 4. Cell Communication and Cell Signaling

  1. actively seek out the bacteria.

  2. randomly bump into the bacteria.

  3. attach to proteins or carbohydrates on the bacterial surface.

  4. randomly bump into the bacteria AND attach to proteins or carbohydrates on the bacterial surface.

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TLS Online TPP Program

#Question id: 18969

#Unit 8. Inheritance Biology

Consider the ABO “blood type” gene. This single gene has three alleles called A, B, and O. There are four resultant “blood types” (phenotypic classes), as follows:C
                               
Assume Hardy-Weinberg equilibrium. In Norway, the frequencies of the A and B alleles are 0.26 and 0.07, respectively. What is the frequencies of these six genotypes (AA, AO, BB, BO, AB, and OO);
TLS Online TPP Program

#Question id: 7481

#General Aptitude

What is the angle between minute hand & hour hand of a clock, when the time is 11:58?
TLS Online TPP Program

#Question id: 746

#Unit 1. Molecules and their Interaction Relevant to Biology

Two separate chains of DNA are wound around each other, each following a helical (coiling) path, resulting in:
TLS Online TPP Program

#Question id: 942

#Unit 1. Molecules and their Interaction Relevant to Biology

 a-ketoglutarate is a precursor for each of the following, except
TLS Online TPP Program

#Question id: 3564

#Unit 8. Inheritance Biology

Population locus with four alleles. How many genotypes are present in the population?