#Question id: 431
#Unit 1. Molecules and their Interaction Relevant to Biology
Which is not generally a molecule used to conserve energy?
#Question id: 28244
#Unit 5. Developmental Biology
In male Drosophila, which of the following cell is undergo a committed progenitor cell that divides to become the precursors of the sperm?
#Question id: 11403
#Unit 10. Ecological Principles
Several categories of risk of species extinction have been defined. A species can be determined as critical endangered if there is considered to be
#Question id: 1050
#Unit 4. Cell Communication and Cell Signaling
Which does not refer to the shape of a virus?
#Question id: 2867
#Unit 2. Cellular Organization
Deletion in region 3 enhances operon or rate of transcription (in trp operon); Choose an incorrect statement.