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#Question id: 1974


A person exposed to a new cold virus would not feel better for one to two weeks because

#Section 2: General Biology
  1. specific B cells and T cells must be selected prior to a protective response.

  2. it takes up to two weeks to stimulate immunologic memory cells.

  3. no memory cells can be called upon, so adequate response is slow.

  4. antigen receptors are not the same as for a flu virus to which she has previously been exposed.

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TLS Online TPP Program

#Question id: 11858

#General Aptitude

A, B and C start at the same time in the same direction to run around a circular stadium . A completes a round in 252 seconds , B in 308 seconds and C in 198 seconds all starting at the same point . After what time will they meet again at the starting point ?

TLS Online TPP Program

#Question id: 11859

#General Aptitude

Six bells commence tolling together and toll at intervals of 2,4,6,8,10,and 12 seconds respectively . In 30 minutes , how many times do they toll together ?

TLS Online TPP Program

#Question id: 11860

#General Aptitude

The traffic lights at three different road crossing change after every 48 sec , 72 sec, and 108 sec. Respectively . If they all change simultaneously at 8 : 20 : 00 hours , then at what time will they again change simultaneously ?

TLS Online TPP Program

#Question id: 11901

#General Aptitude

If the length of the diagonal AC ofa square ABCD is 5.2 cm, then the area of the square is :

TLS Online TPP Program

#Question id: 12182

#Section 3: Genetics, Cellular and Molecular Biology

The cell cycle is controlled by protein kinases that comprise a catalytic subunit and a regulatory subunit. Which of the following statement is correct regarding to these subunits?

TLS Online TPP Program

#Question id: 12484

#Section 3: Genetics, Cellular and Molecular Biology

Match the following.

Column I

Column II

A. APC/CCdc20

i . responsible for ubiquitinating proteins, such as mitotic cyclins

B. APC/CCdh1

ii. responsible for destroying proteins, such as securin

 

iii. promotes the metaphase–anaphase transition

 

iv. Promotes exit from mitosis


Which of the following is correct?