#Question id: 15738
#Unit 5. Developmental Biology
#Question id: 10618
#Unit 10. Ecological Principles
Which of the following characteristic of an early community?
#Question id: 1398
#Unit 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: 18227
#Unit 8. Inheritance Biology
#Question id: 160
#Unit 1. Molecules and their Interaction Relevant to Biology
Of the 20 standard amino acids, only ___________ is not optically active. The reason is that its side chain ___________.