Biosensor is a sensing device. It senses biomolecules by sensing

1. The interaction produces some detectable physical change that is measured and converted into an electrical signal

2. The interaction produces some detectable physical change that is measured and converted into ions.

3. B. The interaction produces some detectable physical change that is measured and converted into enzyme

Which of the following above statements are true for biosensor?

#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

#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

#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

#Question id: 1402

#4. Cell Communication and Cell Signaling

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

#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

#Question id: 1404

#4. Cell Communication and Cell Signaling

Which of the following are transcription factors?