#Question id: 15857
#Unit 12. Applied Biology
#Question id: 8705
#Unit 9. Diversity of Life Forms
If you were using cladistics to build a phylogenetic tree of cats, which of the following would be the best outgroup?
#Question id: 945
#Unit 1. Molecules and their Interaction Relevant to Biology
A key precursor in the synthesis of aromatic amino acids (tryptophan, tyrosine and phenylalanine) is ________.
#Question id: 11461
#Unit 7. System Physiology – Animal
Elephants hear sounds that are too low for humans to hear. This sensitivity is primarily due to the differences in the ________.
#Question id: 5695
#Unit 8. Inheritance Biology
Triploids are usually autopolyploids. They arise spontaneously in nature, but they can be constructed by geneticists from the cross of a 4n (tetraploid) and a 2n (diploid). Triploids are characteristically sterile due to