#Question id: 7758
#Unit 5. Developmental Biology
#Question id: 23988
#Unit 1. Molecules and their Interaction Relevant to Biology
#Question id: 20419
#Unit 3. Fundamental Processes
#Question id: 1400
#Unit 4. Cell Communication and Cell Signaling
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: 27575
#Unit 1. Molecules and their Interaction Relevant to Biology
Which kind of interactions occur between the side chains of oppositely charged residues as well as between the NH3+ and COO− groups at the ends of polypeptide