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TLS Online TPP Program

#Question id: 5332

Which of the following are incorrect regarding Sex chromosome in human?

#8. Inheritance Biology

  1. The X chromosome contains genetic information essential for only female sexes

  2. The male-determining gene is located on the Y chromosome.

  3. A female usually needs at least two copies of the X chromosome to be fertile.

  4. Additional copies of the X chromosome may upset normal development in both males and females

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TLS Online TPP Program

#Question id: 1398

#4. Cell Communication and Cell Signaling

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

#4. Cell Communication and Cell Signaling

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: 1401

#4. Cell Communication and Cell Signaling

Which of the following are proto-oncogenes?

a. fos               b. myc             c. p53              d. ras               e. Rb
TLS Online TPP Program

#Question id: 1402

#4. Cell Communication and Cell Signaling

Which of the following oncoproteins possess(es) protein kinase activity?
TLS Online TPP Program

#Question id: 1403

#4. Cell Communication and Cell Signaling

Tumor-suppressor genes encode proteins with which of the following functions?

a. growth-promoting               b. growth-arresting                  c. pro-apoptotic

d. anti-apoptotic                      e. DNA repair
TLS Online TPP Program

#Question id: 1404

#4. Cell Communication and Cell Signaling

Which of the following are transcription factors?