TLS Online TPP Program

#Question id: 23147


In fluorescence microscopy why the fluorescence occurs at longer wavelength when there shorter   wavelength of light is applied?

#Zoology
  1. Due to increase in energy
  2. Due to resonance energy
  3. Due to decrease in energy
  4. Due to proton transfer
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TLS Online TPP Program

#Question id: 1398

#Life Sciences

Which of the following properties is (are) characteristic of a benign tumor?

a. well differentiated              b. localized to tissue of origin             c. metastatic               

d. promotes angiogenesis        e. surrounded by a fibrous capsule

TLS Online TPP Program

#Question id: 1399

#Biochemistry

Loss-of-function mutations in which of the following genes typifies colorectal carcinomas?

a. myc              b. K-ras                       c. p53              d. APC

TLS Online TPP Program

#Question id: 1399

#Life Sciences

Loss-of-function mutations in which of the following genes typifies colorectal carcinomas?

a. myc              b. K-ras                       c. p53              d. APC

TLS Online TPP Program

#Question id: 1400

#Biochemistry

Which property is shared by malignant tumor cells and transformed cells in culture?

a. reduced growth factor requirement                        b. attachment-dependent growth

c. loss of actin microfilaments                                    d. altered morphology

TLS Online TPP Program

#Question id: 1400

#Life Sciences

Which property is shared by malignant tumor cells and transformed cells in culture?

a. reduced growth factor requirement                        b. attachment-dependent growth

c. loss of actin microfilaments                                    d. altered morphology

TLS Online TPP Program

#Question id: 1401

#Biochemistry

Which of the following are proto-oncogenes?

a. fos               b. myc             c. p53              d. ras               e. Rb