Practice Questions

TLS Online TPP Program

#Question id: 3673

Which is a characteristic of E. coli DNA polymerases?

#Unit 3. Fundamental Processes

Pol I functions as a multimeric protein that participates in DNA repair.
Pol I functions as a core enzyme that clamps around the DNA.
Pol III functions as a holoenzyme that polymerizes DNA with high processivity.
Pol III functions as a single polypeptide chain that can form phosphodiester bonds.

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TLS Online TPP Program

#Question id: 1582

#Unit 4. Cell Communication and Cell Signaling

The EBV antigen fragments will be presented by the virus-infected cells along with which of the following?

TLS Online TPP Program

#Question id: 23644

#General Aptitude

There are some cows, bulls and 45 hens in a group. One care taker looks after 15 animals. The number of bulls is twice the number of cows. If the number of head is less than the total number of feet by 186(including the care taker), how many care takers are there?

TLS Online TPP Program

#Question id: 15409

#Unit 8. Inheritance Biology

A heterozygous trihybrid corn plant is testcrossed and the following progeny are produced (all traits are recessive to their wildtype alternative);

booster, silkless 137

booster, liguleless, silkless 291

liguleless, silkless 3

booster, liguleless 34

What is the order of the loci on the chromosome?

TLS Online TPP Program

#Question id: 5239

#Unit 8. Inheritance Biology

Which of the following statements is not true for Hfr strains of E. coli ?

TLS Online TPP Program

#Question id: 24121

#General Aptitude

When people heard that timid Bob had taken up skydiving, they were incredulous.