TLS Online TPP Program

#Question id: 125


Regions on cell membranes called lipid rafts form because

#Applied Microbiology
  1. membrane proteins form them.

  2. cholesterol preferentially associates with sphingolipids.

  3. certain membrane protein patches aggregate.

  4. cholesterol and proteins bind to form them.

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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

TLS Online TPP Program

#Question id: 1401

#Life Sciences

Which of the following are proto-oncogenes?

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

TLS Online TPP Program

#Question id: 1402

#Biochemistry

Which of the following oncoproteins possess(es) protein kinase activity?