TLS Online TPP Program

#Question id: 15673


A urine sample with more than 100,000 organisms is considered indicative of infection. A urine sample containing 5,000 bacteria, with a generation time of 30 minutes, sits for 3 hours before finally being assayed. How many bacteria will then be present within the sample?

#Section 6: Plant, Animal and Microbial Biotechnology
  1. 10,000
  2. 64,000
  3. 100,000
  4. 320,000
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TLS Online TPP Program

#Question id: 13110

#Section 7: Recombinant DNA technology and Other Tools in Biotechnology

With the help of DNA fingerprinting which can be used to determine paternity. There are three babies (Baby A, Baby B and Baby C) in a maternity ward, and three sets of confused and worried parents. (Father and Mother #1 are a couple, as are Father and Mother #2, and Father and Mother #3.) 
You do each PCR reaction on chromosome 15 and load each one into a separate well of an agarose gel, and then run the gel.
 

 
Match the babies up with their actual parents.
 
BABYPARENTS
I. Baby Aa) Father and Mother #1
II. Baby Bb) Father and Mother #2
III. Baby Cc) Father and Mother #3

TLS Online TPP Program

#Question id: 13115

#Section 3: Genetics, Cellular and Molecular Biology

Match the correct one -

TLS Online TPP Program

#Question id: 13116

#Section 3: Genetics, Cellular and Molecular Biology

In chloroplast, the site of coupled oxidation-reduction reactions is the

TLS Online TPP Program

#Question id: 13123

#Section 3: Genetics, Cellular and Molecular Biology

Match the correct one?

A- COPIi- vesicles transport proteins from the ER to the Golgi.
B- COPIIii- vesicles mainly transport proteins in the retrograde direction between Golgi cisternae and from the cis -Golgi back to the ER.
C- Clathriniii- vesicles transport proteins from the plasma membrane (cell surface) and the trans-Golgi network to late endosomes.

TLS Online TPP Program

#Question id: 13153

#General Aptitude

The in-radius of an equilateral triangle is of length 3 cm. Then the length of each of its medians is

TLS Online TPP Program

#Question id: 13156

#Section 3: Genetics, Cellular and Molecular Biology

Tay sach;s disease are caused when which enzyme is mutated or non-functional?