#Question id: 343
#1. Molecules and their Interaction Relevant to Biology
Assume that acid rain has lowered the pH of a particular lake to pH 5.0. What is the hydroxide ion concentration of this lake?
#Question id: 5087
#5. Developmental Biology
The outer-to-inner sequence of tissue layers in a post-gastrulation vertebrate embryo is ________.
#Question id: 10232
#10. Ecological Principles
Which of the following is incorrect statement?
#Question id: 1406
#4. Cell Communication and Cell Signaling
Which of the following is a consequence of p53 stabilization?
a. stabilization of Cdc25A b. activation of ATM c. blocked apoptosis
d. transcription of p21 e. DNA repair
#Question id: 22956
#5. Developmental Biology