In community, two species A and B were found. A species have an especially large impact on the structure of entire communities because they are highly abundant while B species are not usually abundant in a community however; exert strong control on community structure by their pivotal ecological roles, or niches. Which of the following is naming of species?

#Question id: 1399

#SCPH06 I Botany

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

#SCPH28 | Zoology

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

#SCPH05 I Biotechnology

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

#SCPH06 I Botany

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

#SCPH28 | Zoology

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

#SCPH05 I Biotechnology

Which of the following are proto-oncogenes?

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