TLS Online TPP Program

#Question id: 5288


Donor strain of bacteria with His+ Ara+ Met+ Leu+ Cys+ Lys+ is infected with phages to map the donor chromosome with generalized transduction .The Phage lysate from bacterial cell is collected and use to infect second strain of bacteria that are His- Ara- Met- Leu- Cys- Lys- . Different transducing phages are selected on using different minimal media and their presence of growth (+) and absence of growth (-) given in table

Media

Media supplement 0 absent /+ present

1

His

Ara

Met

Leu

Cys

Lys

Growth

2

+

+

0

+

+

0

+

3

0

+

+

+

+

0

+

4

+

+

0

+

0

+

-

5

0

+

+

0

+

+

+

6

+

0

+

0

+

+

+

7

+

0

+

+

0

+

+

Which of the following is correct order of gene?

#Unit 8. Inheritance Biology
  1. Leu- Ara-Cys- Met- Lys- His       

  2. His –Leu-Cys-Ara-Lys-Met

  3. Leu -His-Lys-Met-Cys-Ara                   

  4. Met-Lys-His-Leu-Ara-Cys

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TLS Online TPP Program

#Question id: 1129

#Unit 4. Cell Communication and Cell Signaling

Which of the following plays a role in the relaxation of smooth muscle cells by nitric oxide?

a. cGMP          b. protein kinase A      c. protein kinase G      d. guanylyl cyclise

TLS Online TPP Program

#Question id: 1130

#Unit 4. Cell Communication and Cell Signaling

In muscle cells, glycogen phosphorylase kinase is activated by

a. Ca2+.           b. diacylglycerol.   c. nitric oxide.       d. protein kinase A.    

TLS Online TPP Program

#Question id: 1131

#Unit 4. Cell Communication and Cell Signaling

Which of the following function(s) as an inhibitor of TGFβ signal transduction?

a. R-Smad       b. I-Smad        c. Co-Smad     d. Ski   e. SnoN

TLS Online TPP Program

#Question id: 1132

#Unit 4. Cell Communication and Cell Signaling

Which of the following become(s) active as a kinase when an activation lip residue is phosphorylated?

a. EpoR                       b. JAK             c. STAT           d. Ras              e. MAPK

TLS Online TPP Program

#Question id: 1133

#Unit 4. Cell Communication and Cell Signaling

What tertiary structure characterizes all cytokines?

TLS Online TPP Program

#Question id: 1134

#Unit 4. Cell Communication and Cell Signaling

Arrange the following proteins in the proper order in which they become activated in the MAPK signaling pathway:

a. MAP kinase                         b. MEK           c. Ras              d. Raf              e. RTK