TLS Online TPP Program

#Question id: 15305


The multi-hit model, which proposes that multiple mutations are needed to cause cancer, which of the following is incorrect regarding to this model?

#Unit 4. Cell Communication and Cell Signaling
  1. is consistent with the genetic homogeneity of cells from a given tumor
  2. increase in the incidence of human cancers with advancing age 
  3. loss of function mutation in tumor-suppressor gene and proto-oncogenes
  4. the cooperative effect of oncogenic transgenes and tumor-suppressor gene mutations
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TLS Online TPP Program

#Question id: 5278

#Unit 8. Inheritance Biology

What is the co-transduction frequency for the A and B genes, from the following dataset?(Assume that there has been selection for the A+ form of the A gene). Genotype                                Number

 A+B+C+                                   10

 A+B+C-                                    30

A+B-C+                                     20

 A+B-C-                                     40

TLS Online TPP Program

#Question id: 5277

#Unit 8. Inheritance Biology

Deduce the genotype of bacteria strain was shown either growth presents or not in different media?

Media supplement

Minimal

Minimal + Arginine

Minimal + Methionine

Minimal + Arginine+ Methionine

Growth

No

Yes

     No

Yes

TLS Online TPP Program

#Question id: 5276

#Unit 8. Inheritance Biology

Donor Strain ABCDE transformation to   recipient strain abcde. Co-transformation check by using media with different supplement?

Media supplement

Growth

A

B

C

D

E

Yes

-

+

-

+

+

Yes

+

+

-

-

+

Yes

+

-

+

-

+

Yes

+

-

+

+

-

Yes

What is a order of gene ?

TLS Online TPP Program

#Question id: 5275

#Unit 8. Inheritance Biology

 The designation his- refers to

TLS Online TPP Program

#Question id: 5274

#Unit 8. Inheritance Biology

Among the easiest of the mutations to isolate are those which

TLS Online TPP Program

#Question id: 5273

#Unit 8. Inheritance Biology

Replica plating