TLS Online TPP Program

#Question id: 446


Which statement is false about ATP?

#Life Sciences
  1. Its concentration in a particular cell usually fluctuates very little.

  2. The concentration of ATP in cells is generally much lower than that of AMP.

  3. Its concentration is maintained in part by adenylate kinase.

  4. The intracellular concentration of ATP varies among cell types.

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TLS Online TPP Program

#Question id: 1394

#Life Sciences

Apoptosis involves all but which of the following?

TLS Online TPP Program

#Question id: 1398

#Biochemistry

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: 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