Match the antibiotic with its target:

Column I (Antibiotic)	Column II (Target)
A. Penicillin	1. DNA gyrase
B. Rifampicin	2. RNA polymerase
C. Ciprofloxacin	3. Cell wall synthesis
D. Erythromycin	4. 50S ribosomal subunit

#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

#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

#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

#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

#Question id: 1401

#Biochemistry

Which of the following are proto-oncogenes?

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

#Question id: 1401

#Life Sciences

Which of the following are proto-oncogenes?

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